About Elastic OSC
Elastic OSC is a synthesizer app based on the DSP code of the Mutable Instruments Plaits hardware oscillator module, one of the most beloved (and cloned) oscillator modules in the Eurorack modular scene! Like the...
Elastic OSC is a synthesizer app based on the DSP code of the Mutable Instruments Plaits hardware oscillator module, one of the most beloved (and cloned) oscillator modules in the Eurorack modular scene! Like the original, Elastic OSC comes with a wide variety of possible sounds, from analog-style, FM, and additive sounds to physical modeling, percussive, and even drum sounds. Elastic OSC can be used in both monophonic and 8-voice polyphonic modes. You can play the app using the (on-screen) keyboard or an external keyboard or sequencer inside your DAW of choice. The app focuses on ease of use, featuring two XY pads for intuitive sound manipulation of the OSC engine and the effects. Despite the simplicity of the cleaned-up interface, the sound possibilities are vast - thanks to 24 different oscillator models and the ability to automate parameter changes, as it is possible in all Elastic apps released so far. A versatile Arpeggiator makes it easy to start with simple ideas or can already create entire sonic worlds. Elastic OSC includes an integrated help system (tap “?”) to provide explanations for nearly every GUI element, the underlying DSP model, and most of the app’s functionality. CDM: "Elastic OSC becomes a must on iOS. It’s fun to use as an instrument in your iPad DAW of choice." SYNTH ANATOMY: "Takes the Mutable Instruments (Plaits) algorithms on a wild trip. A nearly perfect app." ROBERT LIPPOK: "Elastic OSC is incredibly fun to work with from the very first minute. The GUI is really well thought out and has 24 integrated synthesis models, as well as the ability to load DX7 sound banks. Omg, so good." --- FEATURES --- SYNTHESIZER - 24 different Sound Engines from MI Plaits DSP code - 4 main parameters per synth engine (Frequency, Harmonics, Morph, Harmo) - Recordable Modulations/Automations for almost all Parameters with a length of 1, 2 or 4 beats. - ADSR Envelope for Amplifier - LPG Envelope for Modulations of Timbre, FM, Harmonics - Adjustable Velocity effect on Volume and/or LPG Modulation - DX7 Bank and Wavetable Import ARPEGGIATOR With different Arp Modes, Rates, Octave Ranges and Skip Notes functionality MASTER FX - 5 effects (5 different Overdrive/Distortions, Hi-Low-Filter, Chorus/Flanger, Delay, Reverb) - Automations for all effects parameters - Master Gain and switchable Limiter effect SYNTH ENGINES - Virtual Analog - Waveshaping - 2 OP FM - Granular Formant - Additive - Wavetable - Chords - Speech - Granular Cloud - Filtered Noise - Particle Noise - String Model - Modal Resonator - Bass Drum - Snare Drum - Hi-Hat - Virt. Analog VCF - Phase Distortion - 6 OP FM 1 - 6 OP FM 2 - 6 OP FM 3 - Wave Terrain - String Machine - Chiptune ------ LFOs LFO 1 is for free, while three additional LFOs can be unlocked via In-App Purchase. LFO MODULATION TARGETS . Frequency Amount . Timbre Amount . Morph Amount . Harmonics Amount . Filter Amount . Pan Amount LFO MIX The MIX view enables you to blend multiple LFOs and define how strongly each active LFO influences a target parameter. The closer a target is placed to an LFO corner, the stronger its influence. All active LFOs always sum up to 100% (e.g. LFO1 50%, LFO2 30%, LFO3 20%).
Version History - New Presets by Arovane - New Presets by Peter Kirn - New Presets by Robert Lippok - Additional MPE presets by SOi - Delete Automation: A) Last Automation B) All automations - Presets: Added Like function - Improved Arp / Hold functionality and Timing - Engines Overview with Longtap - Added Pedal Hold function 2.0 May 27 - MIDI program changes will switch user presets - Additional MPE Presets - Help texts for MPE parameters - Performance improvements 1.3.1 Apr 8 Elastic OSC 1.3 adds the long-awaited MPE support. Unlock expressive control and shape sounds with polyphonic aftertouch and per-note gestures. Map Glide (X), Slide (Y) and Pressure (Z) to selected synthesis parameters and control them with external MPE controllers or the built-in keyboard (X and Y). As with any MPE instrument, all gestures work polyphonically, meaning each note can control parameters independently — for example different gains or timbres depending on the pressure applied to each key. MPE support is available as in-app purchase. You can already play and test the included MPE presets that come with this update (by artists like Red Sky Lullaby, Nerk, and others). However, editing MPE mappings is only available after purchasing the feature, allowing you to save them as part of your presets. A Lock button lets you keep your current MPE setup while loading other presets — so you can explore sounds without losing your preferred MPE mapping. 3 MPE MODULATION SOURCES • Glide(X) also called Pitchbend • Slide (Y) also called Timbre (CC #74) • Pressure (Y) also called Aftertouch 8 MPE MODULATION TARGETS Can be mapped bi-polarly to control: • Frequency Amount • Timbre Amount • Morph Amount • Harmonics Amount • Engine Amount • Filter Amount • LFO1 Amount • Gain Amount —————— OTHER CHANGES: - MPE presets by Red Sky Lullaby (20), Nerk (25), ToYaGa (7) and others - New presets by Jakob Haq (76!) featuring automation and LFOs - Improved BPM knob sensitivity - FX navigation: swapped filter and distortion order to better reflect the actual signal path - Various tweaks and improvements 1.3 Mar 26 - iPhone improvement: knobs now respond to both vertical and horizontal movements - New presets by Dasero 1.2.5 Feb 3 - Additional LFO presets by RedSkyLullaby - Bugfix: LFO Names did not update correctly 1.2.4 12/27/2025 - Additional LFO presets by RedSkyLullaby - Bugfix: LFO 1Shot sometimes did not stop after a single cycle 1.2.3 12/26/2025 - Improved LFO triggering of the Filter - Bugfix: In-App Purchase Restore 1.2.2 12/12/2025 NEW LFO SECTION: Update 1.2 brings the long-awaited LFO support to Elastic OSC. LFO 1 is free; additional 3 LFOs can be unlocked via In-App Purchase. Each LFO offers: • Frequency (0.02 – 20,000 Hz, or tempo-synced) • Shape (Sine, Triangle, Ramp Up, Ramp Down, Pulse, Sample & Hold) • Fade: Fade-in time after being triggered • Phase: Define the start phase • Sync: Run the LFO in sync with project tempo • Trigger Modes: • Retrigger – restarts with each new note • One Shot – plays a single cycle when triggered • Free – runs freely without retriggering • Enable: Quickly compare modulation by toggling the LFO on/off XY Pad Control • Use the XY Pad to control Frequency (X) and Shape (Y) • Use the XY Pad to record modulation of Frequency and Shape changes 6 MODULATION TARGETS: Following the Plaits / Elastic OSC philosophy (“Keep it simple, with the greatest impact”), the LFO section provides six knobs for controlling the modulation depth of six powerful core targets.: • Frequency Amount • Timbre Amount • Morph Amount • Harmonics Amount • Filter Amount • Pan Amount All Amount knobs can also be automated, enabling dynamic changes of modulation depth. MIX The MIX view lets you define how strongly each active LFO affects a target parameter. The closer a target is placed to an LFO, the stronger its influence. All active LFOs always add up to 100% (e.g., LFO1 50%, LFO2 30%, LFO3 20%). FURTHER CHANGES AND BUGFIXES: - New Presets in LFO Category by Servando - New Presets in LFO Category by Another Machines (AM) - FREQ slider now switches between Octave and Free Pitch mode via double-tap - Sliders now display values, just like knobs - The filter is now polyphonic (and can be shaped with an LFO as a pseudo-envelope) - Added a third keyboard mode for iPhones - Presets can now also be imported via “Open In → Elastic OSC” - Bugfix: Wave Terrain engine could produce unwanted buzzing in certain situations - 6-OP / DX7 engines now display the preset name - General stability improvements (issues in Drambo, etc.) 1.2.1 12/10/2025 Minor change: Updated Video Link 1.1.1 09/12/2025 - Added DX7 Bank and Wavetable Import: with 3 OP6 engines, you can now load up to 96 DX7 sounds! - Added dozens of new presets from sound designer SOI and a new Artist Category for SOI sounds - Added Preset Compare feature: instantly switch between the current and original preset version - Improved preset saving: the current preset name now appears in the text field above the SAVE button, making it easier to edit - Bugfix: fixed audio hum/engine issue that sometimes occurred when opening the app - Bugfix: incorrect layout on iPad Pro with 13-inch screen - Improvement: knobs respond more sensitively now - Improvement: harmonics slider now has 32 steps for OP6 engines (reflecting DX7 preset switches) instead of linear values - Bugfix: improved DX7 envelope behavior – the app now more accurately reflects the envelopes of DX7 presets. Some of your OP6 presets might sound a bit different, but they are now much closer to the original hardware sound 1.1 09/10/2025 - Leonard de Leonard Presets - AUv3 resizing improvement: App is now scrollable to see all parts of the app. - AUv3 / Plugin Mode: Updated parameter names (replaced short forms with more descriptive names). - Improved Randomization Presets: Now also selects different OSC engines. - Bugfix Logic Pro: Recording automation to Logic using the Plug-In’s UI was not working for the XY pad. - Bugfix Drambo: XY dragger did not update the view to host automation. - iPhone Screen Orientations: Left & right 1.0.4 06/04/2025 - New Presets by Nu-Trix - Batch Import: Import several presets at once - Bugfix: User presets made in Standalone were not seen in AUv3 and visa versa - Improved Randomize Presets function - Engines switch Ramp Time is now global and independent of presets - Crashfix iPhone 6s: Weak devices could crash when switching presets 1.0.3 05/16/2025 Bugfix: User presets made in Standalone were not seen in AUv3 and visa versa Change: Share presets now gets also offered for Factory presets 1.0.2 05/10/2025 New Presets by Red Sky Lullaby and SOi 1.0.1 05/06/2025 1.0 05/04/2025
Previous Versions
Here you can find the changelog of Elastic OSC since it was posted on our website on 2026-01-25 01:47:01.
The latest version is 2.0 and it was updated on 2026-06-11 03:07:26. See below the changes in each version.
Elastic OSC version 2.0
Updated At: 2026-06-11
Changes: Version History - New Presets by Arovane
- New Presets by Peter Kirn
- New Presets by Robert Lippok
- Additional MPE presets by SOi
- Delete Automation: A) Last Automation B) All automations
- Presets: Added Like function
- Improved Arp / Hold functionality and Timing
- Engines Overview with Longtap
- Added Pedal Hold function 2.0 May 27 - MIDI program changes will switch user presets
- Additional MPE Presets
- Help texts for MPE parameters
- Performance improvements 1.3.1 Apr 8 Elastic OSC 1.3 adds the long-awaited MPE support.
Unlock expressive control and shape sounds with polyphonic aftertouch and per-note gestures.
Map Glide (X), Slide (Y) and Pressure (Z) to selected synthesis parameters and control them with external MPE controllers or the built-in keyboard (X and Y). As with any MPE instrument, all gestures work polyphonically, meaning each note can control parameters independently — for example different gains or timbres depending on the pressure applied to each key.
MPE support is available as in-app purchase.
You can already play and test the included MPE presets that come with this update (by artists like Red Sky Lullaby, Nerk, and others).
However, editing MPE mappings is only available after purchasing the feature, allowing you to save them as part of your presets.
A Lock button lets you keep your current MPE setup while loading other presets — so you can explore sounds without losing your preferred MPE mapping.
3 MPE MODULATION SOURCES
• Glide(X) also called Pitchbend
• Slide (Y) also called Timbre (CC #74)
• Pressure (Y) also called Aftertouch
8 MPE MODULATION TARGETS
Can be mapped bi-polarly to control:
• Frequency Amount
• Timbre Amount
• Morph Amount
• Harmonics Amount
• Engine Amount
• Filter Amount
• LFO1 Amount
• Gain Amount
——————
OTHER CHANGES:
- MPE presets by Red Sky Lullaby (20), Nerk (25), ToYaGa (7) and others
- New presets by Jakob Haq (76!) featuring automation and LFOs
- Improved BPM knob sensitivity
- FX navigation: swapped filter and distortion order to better reflect the actual signal path
- Various tweaks and improvements 1.3 Mar 26 - iPhone improvement: knobs now respond to both vertical and horizontal movements
- New presets by Dasero 1.2.5 Feb 3 - Additional LFO presets by RedSkyLullaby
- Bugfix: LFO Names did not update correctly 1.2.4 12/27/2025 - Additional LFO presets by RedSkyLullaby
- Bugfix: LFO 1Shot sometimes did not stop after a single cycle 1.2.3 12/26/2025 - Improved LFO triggering of the Filter
- Bugfix: In-App Purchase Restore 1.2.2 12/12/2025 NEW LFO SECTION:
Update 1.2 brings the long-awaited LFO support to Elastic OSC.
LFO 1 is free; additional 3 LFOs can be unlocked via In-App Purchase.
Each LFO offers:
• Frequency (0.02 – 20,000 Hz, or tempo-synced)
• Shape (Sine, Triangle, Ramp Up, Ramp Down, Pulse, Sample & Hold)
• Fade: Fade-in time after being triggered
• Phase: Define the start phase
• Sync: Run the LFO in sync with project tempo
• Trigger Modes:
• Retrigger – restarts with each new note
• One Shot – plays a single cycle when triggered
• Free – runs freely without retriggering
• Enable: Quickly compare modulation by toggling the LFO on/off
XY Pad Control
• Use the XY Pad to control Frequency (X) and Shape (Y)
• Use the XY Pad to record modulation of Frequency and Shape changes
6 MODULATION TARGETS:
Following the Plaits / Elastic OSC philosophy (“Keep it simple, with the greatest impact”), the LFO section provides six knobs for controlling the modulation depth of six powerful core targets.:
• Frequency Amount
• Timbre Amount
• Morph Amount
• Harmonics Amount
• Filter Amount
• Pan Amount
All Amount knobs can also be automated, enabling dynamic changes of modulation depth.
MIX
The MIX view lets you define how strongly each active LFO affects a target parameter. The closer a target is placed to an LFO, the stronger its influence. All active LFOs always add up to 100% (e.g., LFO1 50%, LFO2 30%, LFO3 20%).
FURTHER CHANGES AND BUGFIXES:
- New Presets in LFO Category by Servando
- New Presets in LFO Category by Another Machines (AM)
- FREQ slider now switches between Octave and Free Pitch mode via double-tap
- Sliders now display values, just like knobs
- The filter is now polyphonic (and can be shaped with an LFO as a pseudo-envelope)
- Added a third keyboard mode for iPhones
- Presets can now also be imported via “Open In → Elastic OSC”
- Bugfix: Wave Terrain engine could produce unwanted buzzing in certain situations
- 6-OP / DX7 engines now display the preset name
- General stability improvements (issues in Drambo, etc.) 1.2.1 12/10/2025 Minor change: Updated Video Link 1.1.1 09/12/2025 - Added DX7 Bank and Wavetable Import: with 3 OP6 engines, you can now load up to 96 DX7 sounds!
- Added dozens of new presets from sound designer SOI and a new Artist Category for SOI sounds
- Added Preset Compare feature: instantly switch between the current and original preset version
- Improved preset saving: the current preset name now appears in the text field above the SAVE button, making it easier to edit
- Bugfix: fixed audio hum/engine issue that sometimes occurred when opening the app
- Bugfix: incorrect layout on iPad Pro with 13-inch screen
- Improvement: knobs respond more sensitively now
- Improvement: harmonics slider now has 32 steps for OP6 engines (reflecting DX7 preset switches) instead of linear values
- Bugfix: improved DX7 envelope behavior – the app now more accurately reflects the envelopes of DX7 presets. Some of your OP6 presets might sound a bit different, but they are now much closer to the original hardware sound 1.1 09/10/2025 - Leonard de Leonard Presets
- AUv3 resizing improvement: App is now scrollable to see all parts of the app.
- AUv3 / Plugin Mode: Updated parameter names (replaced short forms with more descriptive names).
- Improved Randomization Presets: Now also selects different OSC engines.
- Bugfix Logic Pro: Recording automation to Logic using the Plug-In’s UI was not working for the XY pad.
- Bugfix Drambo: XY dragger did not update the view to host automation.
- iPhone Screen Orientations: Left & right 1.0.4 06/04/2025 - New Presets by Nu-Trix
- Batch Import: Import several presets at once
- Bugfix: User presets made in Standalone were not seen in AUv3 and visa versa
- Improved Randomize Presets function
- Engines switch Ramp Time is now global and independent of presets
- Crashfix iPhone 6s: Weak devices could crash when switching presets 1.0.3 05/16/2025 Bugfix: User presets made in Standalone were not seen in AUv3 and visa versa
Change: Share presets now gets also offered for Factory presets 1.0.2 05/10/2025 New Presets by Red Sky Lullaby and SOi 1.0.1 05/06/2025 1.0 05/04/2025
Elastic OSC version 1.3.1
Updated At: 2026-05-08
Changes: Version History - MIDI program changes will switch user presets
- Additional MPE Presets
- Help texts for MPE parameters
- Performance improvements 1.3.1 Apr 8 Elastic OSC 1.3 adds the long-awaited MPE support.
Unlock expressive control and shape sounds with polyphonic aftertouch and per-note gestures.
Map Glide (X), Slide (Y) and Pressure (Z) to selected synthesis parameters and control them with external MPE controllers or the built-in keyboard (X and Y). As with any MPE instrument, all gestures work polyphonically, meaning each note can control parameters independently — for example different gains or timbres depending on the pressure applied to each key.
MPE support is available as in-app purchase.
You can already play and test the included MPE presets that come with this update (by artists like Red Sky Lullaby, Nerk, and others).
However, editing MPE mappings is only available after purchasing the feature, allowing you to save them as part of your presets.
A Lock button lets you keep your current MPE setup while loading other presets — so you can explore sounds without losing your preferred MPE mapping.
3 MPE MODULATION SOURCES
• Glide(X) also called Pitchbend
• Slide (Y) also called Timbre (CC #74)
• Pressure (Y) also called Aftertouch
8 MPE MODULATION TARGETS
Can be mapped bi-polarly to control:
• Frequency Amount
• Timbre Amount
• Morph Amount
• Harmonics Amount
• Engine Amount
• Filter Amount
• LFO1 Amount
• Gain Amount
——————
OTHER CHANGES:
- MPE presets by Red Sky Lullaby (20), Nerk (25), ToYaGa (7) and others
- New presets by Jakob Haq (76!) featuring automation and LFOs
- Improved BPM knob sensitivity
- FX navigation: swapped filter and distortion order to better reflect the actual signal path
- Various tweaks and improvements 1.3 Mar 26 - iPhone improvement: knobs now respond to both vertical and horizontal movements
- New presets by Dasero 1.2.5 Feb 3 - Additional LFO presets by RedSkyLullaby
- Bugfix: LFO Names did not update correctly 1.2.4 12/27/2025 - Additional LFO presets by RedSkyLullaby
- Bugfix: LFO 1Shot sometimes did not stop after a single cycle 1.2.3 12/26/2025 - Improved LFO triggering of the Filter
- Bugfix: In-App Purchase Restore 1.2.2 12/12/2025 NEW LFO SECTION:
Update 1.2 brings the long-awaited LFO support to Elastic OSC.
LFO 1 is free; additional 3 LFOs can be unlocked via In-App Purchase.
Each LFO offers:
• Frequency (0.02 – 20,000 Hz, or tempo-synced)
• Shape (Sine, Triangle, Ramp Up, Ramp Down, Pulse, Sample & Hold)
• Fade: Fade-in time after being triggered
• Phase: Define the start phase
• Sync: Run the LFO in sync with project tempo
• Trigger Modes:
• Retrigger – restarts with each new note
• One Shot – plays a single cycle when triggered
• Free – runs freely without retriggering
• Enable: Quickly compare modulation by toggling the LFO on/off
XY Pad Control
• Use the XY Pad to control Frequency (X) and Shape (Y)
• Use the XY Pad to record modulation of Frequency and Shape changes
6 MODULATION TARGETS:
Following the Plaits / Elastic OSC philosophy (“Keep it simple, with the greatest impact”), the LFO section provides six knobs for controlling the modulation depth of six powerful core targets.:
• Frequency Amount
• Timbre Amount
• Morph Amount
• Harmonics Amount
• Filter Amount
• Pan Amount
All Amount knobs can also be automated, enabling dynamic changes of modulation depth.
MIX
The MIX view lets you define how strongly each active LFO affects a target parameter. The closer a target is placed to an LFO, the stronger its influence. All active LFOs always add up to 100% (e.g., LFO1 50%, LFO2 30%, LFO3 20%).
FURTHER CHANGES AND BUGFIXES:
- New Presets in LFO Category by Servando
- New Presets in LFO Category by Another Machines (AM)
- FREQ slider now switches between Octave and Free Pitch mode via double-tap
- Sliders now display values, just like knobs
- The filter is now polyphonic (and can be shaped with an LFO as a pseudo-envelope)
- Added a third keyboard mode for iPhones
- Presets can now also be imported via “Open In → Elastic OSC”
- Bugfix: Wave Terrain engine could produce unwanted buzzing in certain situations
- 6-OP / DX7 engines now display the preset name
- General stability improvements (issues in Drambo, etc.) 1.2.1 12/10/2025 Minor change: Updated Video Link 1.1.1 09/12/2025 - Added DX7 Bank and Wavetable Import: with 3 OP6 engines, you can now load up to 96 DX7 sounds!
- Added dozens of new presets from sound designer SOI and a new Artist Category for SOI sounds
- Added Preset Compare feature: instantly switch between the current and original preset version
- Improved preset saving: the current preset name now appears in the text field above the SAVE button, making it easier to edit
- Bugfix: fixed audio hum/engine issue that sometimes occurred when opening the app
- Bugfix: incorrect layout on iPad Pro with 13-inch screen
- Improvement: knobs respond more sensitively now
- Improvement: harmonics slider now has 32 steps for OP6 engines (reflecting DX7 preset switches) instead of linear values
- Bugfix: improved DX7 envelope behavior – the app now more accurately reflects the envelopes of DX7 presets. Some of your OP6 presets might sound a bit different, but they are now much closer to the original hardware sound 1.1 09/10/2025 - Leonard de Leonard Presets
- AUv3 resizing improvement: App is now scrollable to see all parts of the app.
- AUv3 / Plugin Mode: Updated parameter names (replaced short forms with more descriptive names).
- Improved Randomization Presets: Now also selects different OSC engines.
- Bugfix Logic Pro: Recording automation to Logic using the Plug-In’s UI was not working for the XY pad.
- Bugfix Drambo: XY dragger did not update the view to host automation.
- iPhone Screen Orientations: Left & right 1.0.4 06/04/2025 - New Presets by Nu-Trix
- Batch Import: Import several presets at once
- Bugfix: User presets made in Standalone were not seen in AUv3 and visa versa
- Improved Randomize Presets function
- Engines switch Ramp Time is now global and independent of presets
- Crashfix iPhone 6s: Weak devices could crash when switching presets 1.0.3 05/16/2025 Bugfix: User presets made in Standalone were not seen in AUv3 and visa versa
Change: Share presets now gets also offered for Factory presets 1.0.2 05/10/2025 New Presets by Red Sky Lullaby and SOi 1.0.1 05/06/2025 1.0 05/04/2025
Elastic OSC version 1.2.5
Updated At: 2026-02-03
Changes: - iPhone improvement: knobs now respond to both vertical and horizontal movements
- New presets by Dasero
Elastic OSC version 1.2.4
Updated At: 2025-12-27
Changes: - Additional LFO presets by RedSkyLullaby
- Bugfix: LFO Names did not update correctly
Disclaimer
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