iVCS33.6.5 - App Store
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Publisher Description
iVCS3
Official EMS VCS3 emulator
The VCS3 was created in 1969 by Peter Zinovieff's EMS company. The electronics were largely designed by David Cockerell and the machine's distinctive visual appearance was the work of electronic composer Tristram Cary. The VCS3 was more or less the first portable commercially available synthesizer-portable in the sense that the VCS 3 was housed entirely in a small, wooden case.
The VCS3 was quite popular among progressive rock bands and was used on recordings by The Alan Parsons Project, Jean Michel Jarre, Hawkwind, Brian Eno (with Roxy Music), King Crimson, The Who, Gong, and Pink Floyd, among many others. Well-known examples of its use are on The Who track "Won't Get Fooled Again" (as an external sound processor, in this case with Pete Townshend running the signal of a Lowrey Organ through the VCS3's filter and low frequency oscillators) on Who's Next. Pink Floyd's "On the Run" (from The Dark Side of the Moon) made use of its oscillators, filter and noise generator, as well as the sequencer. Their song Welcome to the Machine also used the VCS3. The bassy throb at the beginning of the recording formed the foundation of the song, with the other parts being recorded in response. The VCS3 was also a staple at the BBC’s Radiophonic Workshop, and was a regular (and most frightening) sound generator for the Dr Who TV series. Many fo the monsters and atmoshere;s created for the show came directly from the VCS3.
Description
The VCS3 has three oscillators (in reality, the first 2 oscillators are normal oscillators and the 3rd an LFO or Low Frequency Oscillator), a noise generator, two input amplifiers, a ring modulator, a 18dB/octave (pre-1974) or 24dB/octave (after 1974) voltage controlled low pass filter (VCF), a trapezoid envelope generator, joy-stick controller, voltage controlled spring reverb unit and 2 stereo output amplifiers. Unlike most modular synthesizer systems which use cables to link components together, the VCS3 uses a distinctive patch board matrix into which pins are inserted in order to connect its components together.
Keyboards controller
DK1 keyboard controller
Although the VCS3 is often used for generating sound effects due to lack of built-in keyboard, there were external keyboard controllers for melodic play. The DK1 in 1969 was an early velocity sensitive monophonic keyboard for VCS3 with an extra VCO and VCA. Later it was extended for duophonic play, as DK2, in 1972. Also in 1972, Synthi AKS was released, and its digital sequencer with a touch-sensitive flat keyboard, KS sequencer, and its mechanical keyboard version, DKS, were also released.
(See: en.wikipedia.org/wiki/VCS3)
Version History Updated for iOS/iPadOS 27 3.6.5 Sep 19 - AUv3 parameters range fixed 3.6.4 Sep 17 RESTORE PURCHASED works for OS 26 3.6.3 Apr 10 Fixed restore purchased in iOS 26 3.6.2 Mar 30 Updated to the latest iOS SDK
Fixed a potential issue where the keyboard could unexpectedly disappear 3.6.1 09/20/2025 + Available per macOS (Designed for iPad)
+ Improved stability
+ Updated to the latest iOS SDK
+ Updated dependencies
+ Fixed various bugs 3.6 08/22/2025 Maintenance Updates
Latest iOS SDK Update
Fixed an issue causing the app to crash when double tap two knobs together 3.5.1 07/14/2024 Fixes a graphic issue in iPad mini 3.5 04/21/2024 + New In App Purchase Presets Bank (The Sound Test Room 10)
+ Ready for iOS 15
+ Presets show Library icon correctly for the IAP Banks 3.4.7 10/20/2021 + New In App Purchase Presets Bank (The Sound Test Room 10)
+ Ready for iOS 15 3.4.6 10/12/2021 - Added x2 and /2 shortcuts in the Parameter Action View
- Updated ABLink SDK
- Minor UI tweaks 3.4.2 02/04/2021 - New In-App Purchasing: JEC mega-bank of 256 presets. ‘Captivity’… Designed entirely during lockdown.
- Ableton Link Network Permission enabled in iOS 14 and higher 3.4.1 11/22/2020 iVCS3 3.4
- iOS 14 ready
- Host mixDown/freeze works for toggles
- Audiobus/IAA, improved MIDI Receive
- Updated Audiobus SDK
- Updated AudioCopy SDK
- Updated ABLink SDK 3.4 09/26/2020 - Import from Music Library works now as aspected
- Reactive audio when disconnecting from IAA, workaround for iOS 13
- AUv3 (iVCS3:VCA) fixed automations parameters order
- AUv3 (Full) enable record automations for Joystick
- AUv3: improved host compatibility for record automations
- AUv3: Toggle automations bug fixed 3.3.8 05/08/2020 Added support for Auria automations
Improved stability
Improved STICK View position
Prevent copy for not supported files for Samples/Presets synchronisation 3.3.4 04/01/2020 This release is to commemorate the 50th anniversary of the Original EMS VCS3 Hardware.
Two new banks are available: 'JEC EMS-50 Bank' (free) and 'JEC 2019 Synths and Explorations' by James Edward Cosby, both banks come with new Envelope Files and are available directly from the 'Presets & Mod. Shop'.
- AUv3 text colour, fixed 3.3.1 11/23/2019 This release is to commemorate the 50th anniversary of the Original EMS VCS3 Hardware.
Two new banks are available: 'JEC EMS-50 Bank' (free) and 'JEC 2019 Synths and Explorations' by James Edward Cosby, both banks come with new Envelope Files and are available directly from the 'Presets & Mod. Shop'. 3.3 11/23/2019 Workaround for iOS 12.4 Inter-App Audio connection 3.2.5 08/05/2019 + Audiobus latest SDK updated
+ Improved AUv3 multi instances loading
- Fixed AUv3 AUParameters initialisation
- Fixed AUv3 memory leak 3.2.4 07/13/2019 + Audiobus latest SDK updated
- Fixed AUv3 AUParameters initialisation 3.2.2 06/30/2019 + New Zero-delay feedback implementation of 4 pole (24 dB/oct) diode ladder filter
- AUv3 Modules crash fixed for multiple instances
- AUv3::ENV Extended time bug fixed
+ AUv3::VCF New Diode Ladder ZDF Filter 3.2 06/01/2019 + AUv3: Sampling Rate change according to the host
+ AUv3: Offline Rendering in High Quality
+ AUv3: Settings are now saved in the host project
+ AUv3: Save knob/slider steepness in presets
+ AUv3: Where possible, the host will Display Logarithmic values
+ AUv3::VCO Fixed bug for legato MIDI notes
+ AUv3: LFO Memory Leak, fixed
+ AUv3: LFO Memory Leak, fixed
+ AUv3: Host will Display Logarithmic values properly 3.1 04/03/2019 + AudioUnit Full Version (AUv3)
+ IAA Musical Fx
+ Improved UI compatibility for X Devices
+ Full size support for the model devices
+ New Navigation zoom and scroll
+ Presets Manager show Factory/Library/User icons
+ Control Manager Search show correctly names
+ Latest Audiobus SDK
+ IAA Zombie fixed for Audiobus 3
+ Sample Manager show file info
+ Opening DocumentsIn Support 3 02/01/2019 + New IAP JEC Bank C
+ IAA Zombie fixed for Audiobus 3
+ Fixed Compatibility for iPhone XR and XS Max
+ Sample Manager show file info
+ iOS 11 Opening DocumentsIn Support 2.4 10/10/2018 + Audiobus 3 New MIDI Receiver Port
+ New Slider/Knobs resizable range for the LFO/MIDI/Accel etc…
+ New Quick View for the Presets Manager, simplify the Presets navigation while playing the Keyboard
+ Fixed: Samples re-trigger when playing via MIDI Keyboard
+ Fixed: Samplers Speed Scanning when the SR is changing
+ Fixed: MIDI Program Change (presets selection) will not affect the incoming MIDI note on/off
+ New implementation for LFO which improve performance when you put app in background or switch app etc..
+ Flanger/Echo Toggles removed clicks
+ MAIN Start/Stop audio fade
+ AUv3: LFO Start/Stop bug fixed for multiple instances
+ Midibus 1.39 SDK
+ Audiobus 3.0.3 SDK
+ Ableton LINK 2.1.2 SDK
+ New Send/Receive jitter-free MIDI clock
+ Disable Auto-Lock Screen
+ iPhone X compatibility
+ MIDI Channel for note on/off/pg, fixed
+ Joystick MIDI Range, fixed
+ Some minor iPhone UI bugs, fixed 2.3 04/12/2018
About iVCS3
The company that develops iVCS3 is Alessandro Petrolati. The latest version released by its developer is 3.6.5.
To install iVCS3 on your iOS device, just click the green Continue To App button above to start the installation process. The app is listed on our website since 2026-10-13 and was downloaded 0 times. We have already checked if the download link is safe, however for your own protection we recommend that you scan the downloaded app with your antivirus. Your antivirus may detect the iVCS3 as malware if the download link is broken.
How to install iVCS3 on your iOS device:
- Click on the Continue To App button on our website. This will redirect you to the App Store.
- Once the iVCS3 is shown in the iTunes listing of your iOS device, you can start its download and installation. Tap on the GET button to the right of the app to start downloading it.
- If you are not logged-in the iOS appstore app, you'll be prompted for your your Apple ID and/or password.
- After iVCS3 is downloaded, you'll see an INSTALL button to the right. Tap on it to start the actual installation of the iOS app.
- Once installation is finished you can tap on the OPEN button to start it. Its icon will also be added to your device home screen.
Program Details
System requirements
Download information
Pricing
Version History
version 3.6.5
posted on 2026-10-13
Version History Updated for iOS/iPadOS 27 3.6.5 Sep 19 - AUv3 parameters range fixed 3.6.4 Sep 17 RESTORE PURCHASED works for OS 26 3.6.3 Apr 10 Fixed restore purchased in iOS 26 3.6.2 Mar 30 Updated to the latest iOS SDK
Fixed a potential issue where the keyboard could unexpectedly disappear 3.6.1 09/20/2025 + Available per macOS (Designed for iPad)
+ Improved stability
+ Updated to the latest iOS SDK
+ Updated dependencies
+ Fixed various bugs 3.6 08/22/2025 Maintenance Updates
Latest iOS SDK Update
Fixed an issue causing the app to crash when double tap two knobs together 3.5.1 07/14/2024 Fixes a graphic issue in iPad mini 3.5 04/21/2024 + New In App Purchase Presets Bank (The Sound Test Room 10)
+ Ready for iOS 15
+ Presets show Library icon correctly for the IAP Banks 3.4.7 10/20/2021 + New In App Purchase Presets Bank (The Sound Test Room 10)
+ Ready for iOS 15 3.4.6 10/12/2021 - Added x2 and /2 shortcuts in the Parameter Action View
- Updated ABLink SDK
- Minor UI tweaks 3.4.2 02/04/2021 - New In-App Purchasing: JEC mega-bank of 256 presets. ‘Captivity’… Designed entirely during lockdown.
- Ableton Link Network Permission enabled in iOS 14 and higher 3.4.1 11/22/2020 iVCS3 3.4
- iOS 14 ready
- Host mixDown/freeze works for toggles
- Audiobus/IAA, improved MIDI Receive
- Updated Audiobus SDK
- Updated AudioCopy SDK
- Updated ABLink SDK 3.4 09/26/2020 - Import from Music Library works now as aspected
- Reactive audio when disconnecting from IAA, workaround for iOS 13
- AUv3 (iVCS3:VCA) fixed automations parameters order
- AUv3 (Full) enable record automations for Joystick
- AUv3: improved host compatibility for record automations
- AUv3: Toggle automations bug fixed 3.3.8 05/08/2020 Added support for Auria automations
Improved stability
Improved STICK View position
Prevent copy for not supported files for Samples/Presets synchronisation 3.3.4 04/01/2020 This release is to commemorate the 50th anniversary of the Original EMS VCS3 Hardware.
Two new banks are available: 'JEC EMS-50 Bank' (free) and 'JEC 2019 Synths and Explorations' by James Edward Cosby, both banks come with new Envelope Files and are available directly from the 'Presets & Mod. Shop'.
- AUv3 text colour, fixed 3.3.1 11/23/2019 This release is to commemorate the 50th anniversary of the Original EMS VCS3 Hardware.
Two new banks are available: 'JEC EMS-50 Bank' (free) and 'JEC 2019 Synths and Explorations' by James Edward Cosby, both banks come with new Envelope Files and are available directly from the 'Presets & Mod. Shop'. 3.3 11/23/2019 Workaround for iOS 12.4 Inter-App Audio connection 3.2.5 08/05/2019 + Audiobus latest SDK updated
+ Improved AUv3 multi instances loading
- Fixed AUv3 AUParameters initialisation
- Fixed AUv3 memory leak 3.2.4 07/13/2019 + Audiobus latest SDK updated
- Fixed AUv3 AUParameters initialisation 3.2.2 06/30/2019 + New Zero-delay feedback implementation of 4 pole (24 dB/oct) diode ladder filter
- AUv3 Modules crash fixed for multiple instances
- AUv3::ENV Extended time bug fixed
+ AUv3::VCF New Diode Ladder ZDF Filter 3.2 06/01/2019 + AUv3: Sampling Rate change according to the host
+ AUv3: Offline Rendering in High Quality
+ AUv3: Settings are now saved in the host project
+ AUv3: Save knob/slider steepness in presets
+ AUv3: Where possible, the host will Display Logarithmic values
+ AUv3::VCO Fixed bug for legato MIDI notes
+ AUv3: LFO Memory Leak, fixed
+ AUv3: LFO Memory Leak, fixed
+ AUv3: Host will Display Logarithmic values properly 3.1 04/03/2019 + AudioUnit Full Version (AUv3)
+ IAA Musical Fx
+ Improved UI compatibility for X Devices
+ Full size support for the model devices
+ New Navigation zoom and scroll
+ Presets Manager show Factory/Library/User icons
+ Control Manager Search show correctly names
+ Latest Audiobus SDK
+ IAA Zombie fixed for Audiobus 3
+ Sample Manager show file info
+ Opening DocumentsIn Support 3 02/01/2019 + New IAP JEC Bank C
+ IAA Zombie fixed for Audiobus 3
+ Fixed Compatibility for iPhone XR and XS Max
+ Sample Manager show file info
+ iOS 11 Opening DocumentsIn Support 2.4 10/10/2018 + Audiobus 3 New MIDI Receiver Port
+ New Slider/Knobs resizable range for the LFO/MIDI/Accel etc…
+ New Quick View for the Presets Manager, simplify the Presets navigation while playing the Keyboard
+ Fixed: Samples re-trigger when playing via MIDI Keyboard
+ Fixed: Samplers Speed Scanning when the SR is changing
+ Fixed: MIDI Program Change (presets selection) will not affect the incoming MIDI note on/off
+ New implementation for LFO which improve performance when you put app in background or switch app etc..
+ Flanger/Echo Toggles removed clicks
+ MAIN Start/Stop audio fade
+ AUv3: LFO Start/Stop bug fixed for multiple instances
+ Midibus 1.39 SDK
+ Audiobus 3.0.3 SDK
+ Ableton LINK 2.1.2 SDK
+ New Send/Receive jitter-free MIDI clock
+ Disable Auto-Lock Screen
+ iPhone X compatibility
+ MIDI Channel for note on/off/pg, fixed
+ Joystick MIDI Range, fixed
+ Some minor iPhone UI bugs, fixed 2.3 04/12/2018
version 3.6.5
posted on 2026-09-25
Version History Updated for iOS/iPadOS 27 3.6.5 5d ago - AUv3 parameters range fixed 3.6.4 Sep 17 RESTORE PURCHASED works for OS 26 3.6.3 Apr 10 Fixed restore purchased in iOS 26 3.6.2 Mar 30 Updated to the latest iOS SDK
Fixed a potential issue where the keyboard could unexpectedly disappear 3.6.1 09/20/2025 + Available per macOS (Designed for iPad)
+ Improved stability
+ Updated to the latest iOS SDK
+ Updated dependencies
+ Fixed various bugs 3.6 08/22/2025 Maintenance Updates
Latest iOS SDK Update
Fixed an issue causing the app to crash when double tap two knobs together 3.5.1 07/14/2024 Fixes a graphic issue in iPad mini 3.5 04/21/2024 + New In App Purchase Presets Bank (The Sound Test Room 10)
+ Ready for iOS 15
+ Presets show Library icon correctly for the IAP Banks 3.4.7 10/20/2021 + New In App Purchase Presets Bank (The Sound Test Room 10)
+ Ready for iOS 15 3.4.6 10/12/2021 - Added x2 and /2 shortcuts in the Parameter Action View
- Updated ABLink SDK
- Minor UI tweaks 3.4.2 02/04/2021 - New In-App Purchasing: JEC mega-bank of 256 presets. ‘Captivity’… Designed entirely during lockdown.
- Ableton Link Network Permission enabled in iOS 14 and higher 3.4.1 11/22/2020 iVCS3 3.4
- iOS 14 ready
- Host mixDown/freeze works for toggles
- Audiobus/IAA, improved MIDI Receive
- Updated Audiobus SDK
- Updated AudioCopy SDK
- Updated ABLink SDK 3.4 09/26/2020 - Import from Music Library works now as aspected
- Reactive audio when disconnecting from IAA, workaround for iOS 13
- AUv3 (iVCS3:VCA) fixed automations parameters order
- AUv3 (Full) enable record automations for Joystick
- AUv3: improved host compatibility for record automations
- AUv3: Toggle automations bug fixed 3.3.8 05/08/2020 Added support for Auria automations
Improved stability
Improved STICK View position
Prevent copy for not supported files for Samples/Presets synchronisation 3.3.4 04/01/2020 This release is to commemorate the 50th anniversary of the Original EMS VCS3 Hardware.
Two new banks are available: 'JEC EMS-50 Bank' (free) and 'JEC 2019 Synths and Explorations' by James Edward Cosby, both banks come with new Envelope Files and are available directly from the 'Presets & Mod. Shop'.
- AUv3 text colour, fixed 3.3.1 11/23/2019 This release is to commemorate the 50th anniversary of the Original EMS VCS3 Hardware.
Two new banks are available: 'JEC EMS-50 Bank' (free) and 'JEC 2019 Synths and Explorations' by James Edward Cosby, both banks come with new Envelope Files and are available directly from the 'Presets & Mod. Shop'. 3.3 11/23/2019 Workaround for iOS 12.4 Inter-App Audio connection 3.2.5 08/05/2019 + Audiobus latest SDK updated
+ Improved AUv3 multi instances loading
- Fixed AUv3 AUParameters initialisation
- Fixed AUv3 memory leak 3.2.4 07/13/2019 + Audiobus latest SDK updated
- Fixed AUv3 AUParameters initialisation 3.2.2 06/30/2019 + New Zero-delay feedback implementation of 4 pole (24 dB/oct) diode ladder filter
- AUv3 Modules crash fixed for multiple instances
- AUv3::ENV Extended time bug fixed
+ AUv3::VCF New Diode Ladder ZDF Filter 3.2 06/01/2019 + AUv3: Sampling Rate change according to the host
+ AUv3: Offline Rendering in High Quality
+ AUv3: Settings are now saved in the host project
+ AUv3: Save knob/slider steepness in presets
+ AUv3: Where possible, the host will Display Logarithmic values
+ AUv3::VCO Fixed bug for legato MIDI notes
+ AUv3: LFO Memory Leak, fixed
+ AUv3: LFO Memory Leak, fixed
+ AUv3: Host will Display Logarithmic values properly 3.1 04/03/2019 + AudioUnit Full Version (AUv3)
+ IAA Musical Fx
+ Improved UI compatibility for X Devices
+ Full size support for the model devices
+ New Navigation zoom and scroll
+ Presets Manager show Factory/Library/User icons
+ Control Manager Search show correctly names
+ Latest Audiobus SDK
+ IAA Zombie fixed for Audiobus 3
+ Sample Manager show file info
+ Opening DocumentsIn Support 3 02/01/2019 + New IAP JEC Bank C
+ IAA Zombie fixed for Audiobus 3
+ Fixed Compatibility for iPhone XR and XS Max
+ Sample Manager show file info
+ iOS 11 Opening DocumentsIn Support 2.4 10/10/2018 + Audiobus 3 New MIDI Receiver Port
+ New Slider/Knobs resizable range for the LFO/MIDI/Accel etc…
+ New Quick View for the Presets Manager, simplify the Presets navigation while playing the Keyboard
+ Fixed: Samples re-trigger when playing via MIDI Keyboard
+ Fixed: Samplers Speed Scanning when the SR is changing
+ Fixed: MIDI Program Change (presets selection) will not affect the incoming MIDI note on/off
+ New implementation for LFO which improve performance when you put app in background or switch app etc..
+ Flanger/Echo Toggles removed clicks
+ MAIN Start/Stop audio fade
+ AUv3: LFO Start/Stop bug fixed for multiple instances
+ Midibus 1.39 SDK
+ Audiobus 3.0.3 SDK
+ Ableton LINK 2.1.2 SDK
+ New Send/Receive jitter-free MIDI clock
+ Disable Auto-Lock Screen
+ iPhone X compatibility
+ MIDI Channel for note on/off/pg, fixed
+ Joystick MIDI Range, fixed
+ Some minor iPhone UI bugs, fixed 2.3 04/12/2018
version 3.6.4
posted on 2026-09-18
Version History - AUv3 parameters range fixed 3.6.4 23h ago RESTORE PURCHASED works for OS 26 3.6.3 Apr 10 Fixed restore purchased in iOS 26 3.6.2 Mar 30 Updated to the latest iOS SDK
Fixed a potential issue where the keyboard could unexpectedly disappear 3.6.1 09/20/2025 + Available per macOS (Designed for iPad)
+ Improved stability
+ Updated to the latest iOS SDK
+ Updated dependencies
+ Fixed various bugs 3.6 08/22/2025 Maintenance Updates
Latest iOS SDK Update
Fixed an issue causing the app to crash when double tap two knobs together 3.5.1 07/14/2024 Fixes a graphic issue in iPad mini 3.5 04/21/2024 + New In App Purchase Presets Bank (The Sound Test Room 10)
+ Ready for iOS 15
+ Presets show Library icon correctly for the IAP Banks 3.4.7 10/20/2021 + New In App Purchase Presets Bank (The Sound Test Room 10)
+ Ready for iOS 15 3.4.6 10/12/2021 - Added x2 and /2 shortcuts in the Parameter Action View
- Updated ABLink SDK
- Minor UI tweaks 3.4.2 02/04/2021 - New In-App Purchasing: JEC mega-bank of 256 presets. ‘Captivity’… Designed entirely during lockdown.
- Ableton Link Network Permission enabled in iOS 14 and higher 3.4.1 11/22/2020 iVCS3 3.4
- iOS 14 ready
- Host mixDown/freeze works for toggles
- Audiobus/IAA, improved MIDI Receive
- Updated Audiobus SDK
- Updated AudioCopy SDK
- Updated ABLink SDK 3.4 09/26/2020 - Import from Music Library works now as aspected
- Reactive audio when disconnecting from IAA, workaround for iOS 13
- AUv3 (iVCS3:VCA) fixed automations parameters order
- AUv3 (Full) enable record automations for Joystick
- AUv3: improved host compatibility for record automations
- AUv3: Toggle automations bug fixed 3.3.8 05/08/2020 Added support for Auria automations
Improved stability
Improved STICK View position
Prevent copy for not supported files for Samples/Presets synchronisation 3.3.4 04/01/2020 This release is to commemorate the 50th anniversary of the Original EMS VCS3 Hardware.
Two new banks are available: 'JEC EMS-50 Bank' (free) and 'JEC 2019 Synths and Explorations' by James Edward Cosby, both banks come with new Envelope Files and are available directly from the 'Presets & Mod. Shop'.
- AUv3 text colour, fixed 3.3.1 11/23/2019 This release is to commemorate the 50th anniversary of the Original EMS VCS3 Hardware.
Two new banks are available: 'JEC EMS-50 Bank' (free) and 'JEC 2019 Synths and Explorations' by James Edward Cosby, both banks come with new Envelope Files and are available directly from the 'Presets & Mod. Shop'. 3.3 11/23/2019 Workaround for iOS 12.4 Inter-App Audio connection 3.2.5 08/05/2019 + Audiobus latest SDK updated
+ Improved AUv3 multi instances loading
- Fixed AUv3 AUParameters initialisation
- Fixed AUv3 memory leak 3.2.4 07/13/2019 + Audiobus latest SDK updated
- Fixed AUv3 AUParameters initialisation 3.2.2 06/30/2019 + New Zero-delay feedback implementation of 4 pole (24 dB/oct) diode ladder filter
- AUv3 Modules crash fixed for multiple instances
- AUv3::ENV Extended time bug fixed
+ AUv3::VCF New Diode Ladder ZDF Filter 3.2 06/01/2019 + AUv3: Sampling Rate change according to the host
+ AUv3: Offline Rendering in High Quality
+ AUv3: Settings are now saved in the host project
+ AUv3: Save knob/slider steepness in presets
+ AUv3: Where possible, the host will Display Logarithmic values
+ AUv3::VCO Fixed bug for legato MIDI notes
+ AUv3: LFO Memory Leak, fixed
+ AUv3: LFO Memory Leak, fixed
+ AUv3: Host will Display Logarithmic values properly 3.1 04/03/2019 + AudioUnit Full Version (AUv3)
+ IAA Musical Fx
+ Improved UI compatibility for X Devices
+ Full size support for the model devices
+ New Navigation zoom and scroll
+ Presets Manager show Factory/Library/User icons
+ Control Manager Search show correctly names
+ Latest Audiobus SDK
+ IAA Zombie fixed for Audiobus 3
+ Sample Manager show file info
+ Opening DocumentsIn Support 3 02/01/2019 + New IAP JEC Bank C
+ IAA Zombie fixed for Audiobus 3
+ Fixed Compatibility for iPhone XR and XS Max
+ Sample Manager show file info
+ iOS 11 Opening DocumentsIn Support 2.4 10/10/2018 + Audiobus 3 New MIDI Receiver Port
+ New Slider/Knobs resizable range for the LFO/MIDI/Accel etc…
+ New Quick View for the Presets Manager, simplify the Presets navigation while playing the Keyboard
+ Fixed: Samples re-trigger when playing via MIDI Keyboard
+ Fixed: Samplers Speed Scanning when the SR is changing
+ Fixed: MIDI Program Change (presets selection) will not affect the incoming MIDI note on/off
+ New implementation for LFO which improve performance when you put app in background or switch app etc..
+ Flanger/Echo Toggles removed clicks
+ MAIN Start/Stop audio fade
+ AUv3: LFO Start/Stop bug fixed for multiple instances
+ Midibus 1.39 SDK
+ Audiobus 3.0.3 SDK
+ Ableton LINK 2.1.2 SDK
+ New Send/Receive jitter-free MIDI clock
+ Disable Auto-Lock Screen
+ iPhone X compatibility
+ MIDI Channel for note on/off/pg, fixed
+ Joystick MIDI Range, fixed
+ Some minor iPhone UI bugs, fixed 2.3 04/12/2018 + AUv3: Audiobus 3 view size, issue solved
+ AUv3: ENV AUv3 Note Off Fixed
+ AUv3: ENV Multiple instances Lamp fixed
+ AUv3: VCO and VCF MIDI parse improved
+ AUv3: VCO MIDI Pitch Bend support
+ AUv3: VCO GLIDE 2.2 04/07/2017
version 3.6.3
posted on 2026-09-11
Version History RESTORE PURCHASED works for OS 26 3.6.3 Apr 10 Fixed restore purchased in iOS 26 3.6.2 Mar 30 Updated to the latest iOS SDK
Fixed a potential issue where the keyboard could unexpectedly disappear 3.6.1 09/20/2025 + Available per macOS (Designed for iPad)
+ Improved stability
+ Updated to the latest iOS SDK
+ Updated dependencies
+ Fixed various bugs 3.6 08/22/2025 Maintenance Updates
Latest iOS SDK Update
Fixed an issue causing the app to crash when double tap two knobs together 3.5.1 07/14/2024 Fixes a graphic issue in iPad mini 3.5 04/21/2024 + New In App Purchase Presets Bank (The Sound Test Room 10)
+ Ready for iOS 15
+ Presets show Library icon correctly for the IAP Banks 3.4.7 10/20/2021 + New In App Purchase Presets Bank (The Sound Test Room 10)
+ Ready for iOS 15 3.4.6 10/12/2021 - Added x2 and /2 shortcuts in the Parameter Action View
- Updated ABLink SDK
- Minor UI tweaks 3.4.2 02/04/2021 - New In-App Purchasing: JEC mega-bank of 256 presets. ‘Captivity’… Designed entirely during lockdown.
- Ableton Link Network Permission enabled in iOS 14 and higher 3.4.1 11/22/2020 iVCS3 3.4
- iOS 14 ready
- Host mixDown/freeze works for toggles
- Audiobus/IAA, improved MIDI Receive
- Updated Audiobus SDK
- Updated AudioCopy SDK
- Updated ABLink SDK 3.4 09/26/2020 - Import from Music Library works now as aspected
- Reactive audio when disconnecting from IAA, workaround for iOS 13
- AUv3 (iVCS3:VCA) fixed automations parameters order
- AUv3 (Full) enable record automations for Joystick
- AUv3: improved host compatibility for record automations
- AUv3: Toggle automations bug fixed 3.3.8 05/08/2020 Added support for Auria automations
Improved stability
Improved STICK View position
Prevent copy for not supported files for Samples/Presets synchronisation 3.3.4 04/01/2020 This release is to commemorate the 50th anniversary of the Original EMS VCS3 Hardware.
Two new banks are available: 'JEC EMS-50 Bank' (free) and 'JEC 2019 Synths and Explorations' by James Edward Cosby, both banks come with new Envelope Files and are available directly from the 'Presets & Mod. Shop'.
- AUv3 text colour, fixed 3.3.1 11/23/2019 This release is to commemorate the 50th anniversary of the Original EMS VCS3 Hardware.
Two new banks are available: 'JEC EMS-50 Bank' (free) and 'JEC 2019 Synths and Explorations' by James Edward Cosby, both banks come with new Envelope Files and are available directly from the 'Presets & Mod. Shop'. 3.3 11/23/2019 Workaround for iOS 12.4 Inter-App Audio connection 3.2.5 08/05/2019 + Audiobus latest SDK updated
+ Improved AUv3 multi instances loading
- Fixed AUv3 AUParameters initialisation
- Fixed AUv3 memory leak 3.2.4 07/13/2019 + Audiobus latest SDK updated
- Fixed AUv3 AUParameters initialisation 3.2.2 06/30/2019 + New Zero-delay feedback implementation of 4 pole (24 dB/oct) diode ladder filter
- AUv3 Modules crash fixed for multiple instances
- AUv3::ENV Extended time bug fixed
+ AUv3::VCF New Diode Ladder ZDF Filter 3.2 06/01/2019 + AUv3: Sampling Rate change according to the host
+ AUv3: Offline Rendering in High Quality
+ AUv3: Settings are now saved in the host project
+ AUv3: Save knob/slider steepness in presets
+ AUv3: Where possible, the host will Display Logarithmic values
+ AUv3::VCO Fixed bug for legato MIDI notes
+ AUv3: LFO Memory Leak, fixed
+ AUv3: LFO Memory Leak, fixed
+ AUv3: Host will Display Logarithmic values properly 3.1 04/03/2019 + AudioUnit Full Version (AUv3)
+ IAA Musical Fx
+ Improved UI compatibility for X Devices
+ Full size support for the model devices
+ New Navigation zoom and scroll
+ Presets Manager show Factory/Library/User icons
+ Control Manager Search show correctly names
+ Latest Audiobus SDK
+ IAA Zombie fixed for Audiobus 3
+ Sample Manager show file info
+ Opening DocumentsIn Support 3 02/01/2019 + New IAP JEC Bank C
+ IAA Zombie fixed for Audiobus 3
+ Fixed Compatibility for iPhone XR and XS Max
+ Sample Manager show file info
+ iOS 11 Opening DocumentsIn Support 2.4 10/10/2018 + Audiobus 3 New MIDI Receiver Port
+ New Slider/Knobs resizable range for the LFO/MIDI/Accel etc…
+ New Quick View for the Presets Manager, simplify the Presets navigation while playing the Keyboard
+ Fixed: Samples re-trigger when playing via MIDI Keyboard
+ Fixed: Samplers Speed Scanning when the SR is changing
+ Fixed: MIDI Program Change (presets selection) will not affect the incoming MIDI note on/off
+ New implementation for LFO which improve performance when you put app in background or switch app etc..
+ Flanger/Echo Toggles removed clicks
+ MAIN Start/Stop audio fade
+ AUv3: LFO Start/Stop bug fixed for multiple instances
+ Midibus 1.39 SDK
+ Audiobus 3.0.3 SDK
+ Ableton LINK 2.1.2 SDK
+ New Send/Receive jitter-free MIDI clock
+ Disable Auto-Lock Screen
+ iPhone X compatibility
+ MIDI Channel for note on/off/pg, fixed
+ Joystick MIDI Range, fixed
+ Some minor iPhone UI bugs, fixed 2.3 04/12/2018 + AUv3: Audiobus 3 view size, issue solved
+ AUv3: ENV AUv3 Note Off Fixed
+ AUv3: ENV Multiple instances Lamp fixed
+ AUv3: VCO and VCF MIDI parse improved
+ AUv3: VCO MIDI Pitch Bend support
+ AUv3: VCO GLIDE 2.2 04/07/2017 + New Free IAP Bank by Hazel Pascua
+ Built-in Presets updated by Matthias Kroh
+ New Bluetooth Local MIDI Central
+ LFO Frequency save/load in presets fixed
+ VCO 1, 2, 3 Sub-aliasing attenuated
+ VCO3 (Triangle) zipped noise attenuation for Shape
+ New MIDI Takeover: Pickup and Value Scaled
+ In-App Retronyms AudioPaste Store Content
+ New multiple AudioPaste allows multiple files in a directory to be pasted at once
+ AUv3 (VCO) Amplitude Parameters Fixed
+ AUv3 MIDI note from Keyboard Fixed
+ AUv3 UI improvements
+ Aubiobus SDK 2.3.3 updated
+ KS view in non modal for all Sequencer parameters
+ KS Transpose Buttons in Audiobus Sidebar and AB Remote
+ MIDI ‘Program Change’ Freeze UI, fixed
+ MIDI Bluetooth UI fixed for iPhone 2.1 03/20/2017
version 3.6.1
posted on 2025-09-20
Sep 20, 2025
Version 3.6.1
Updated to the latest iOS SDK
Fixed a potential issue where the keyboard could unexpectedly disappear
version 3.6.1
posted on 2025-09-20
Updated to the latest iOS SDK
Fixed a potential issue where the keyboard could unexpectedly disappear
version 3.5.1
posted on 2024-07-14
Jul 14, 2024
Version 3.5.1
Maintenance Updates
Latest iOS SDK Update
Fixed an issue causing the app to crash when double tap two knobs together
version 3.5
posted on 2024-04-21
Apr 21, 2024
Version 3.5
Fixes a graphic issue in iPad mini
version 3.4.7
posted on 2021-10-20
Oct 20, 2021
Version 3.4.7
+ New In App Purchase Presets Bank (The Sound Test Room 10)
+ Ready for iOS 15
+ Presets show Library icon correctly for the IAP Banks
version 1.6.4
posted on 2014-03-06
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