Elastic OSC

Elastic OSC

AUv3 Synth with different OSCs

39 ratings
25 reviews
$17.99
In-App Purchases

Details

  • Released
  • Updated

Features

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About

This synthesizer app offers a vast range of sounds inspired by a popular hardware module. It features 24 distinct oscillator models, intuitive XY pads for sound manipulation, and a versatile arpeggiator. Play it with an on-screen or external keyboard for monophonic or polyphonic sound design.

✓24 distinct sound engines based on Plaits DSP
✓Intuitive XY pads for sound manipulation
✓Versatile arpeggiator with multiple modes
✓Integrated help system for all features
✓DX7 bank and wavetable import
✓5 master effects with automations
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What's New in Elastic OSC

2.1

July 3, 2026

- Completely redesigned Presets section, including tags, artist names, synthesis engines, search, and sorting options - New presets by Andrea Cichecki - Added Mono and Stereo Portamento modes with two styles: Legato and Always - Added new Mod Wheel assignment options: a) Mod Wheel controls the Wet amount of recorded automations (previous behavior) b) Mod Wheel controls the Wet amount of LFO modulations c) Mod Wheel controls the Wet amount of both recorded automations and LFO modulations - Improvement: Import multiple presets at once instead of one by one - Improvement: No clicks & artefacts when switching presets - Improvement: Presets Loudness has been aligned

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In-App Purchases

$4.99

Unlock MPE for expressive control

Map Pitch (X), Timbre (Y), Press (Z) to synth params

User reviews

amazing sound!! plz auv3 :-)

my new favorite ios synth!
elastic meldody is very nice too!

Response from developer

Yay, great to hear that :)

Great Synth , needs a dedicated user manual!

Elastic OSC is a unique synth with intriguing sonic possibilities. I was intrigued enough to purchase the desktop app for MacOS as well as the IOS version for my iPad and iPhone, after playing with a dozen or so presets. The developers tout the instrument’s simplicity, but that is part of the genius of the software: you can poke around, jiggle the X/Y pads; change synth-engine types (there are 24 of them under the hood) slide the Morph or harmonics slider; draw animated mixes between LFOs (four of them), and too many other parameters to list. An onboard recorder will record and automate your moves. You can overdub automation and scrub your last pass if you need a do-over. Simple to use, but deeply complex under the hood. This is a wonderfully rewarding synth. There’s one big flaw, though: there is no user manual!

As easy as it is to get satisfying results, without a manual you are basically flying blind – maybe in this case, let’s say flying nearsighted. The only link to documentation is a link to Mutable Instruments’ Plaits synthesizer – which offers similar features, albeit with patch cords and hardware; the two synths are not identical. The onboard Help button carries a decent amount of detail, but little about application. For instance, clicking on Help for an oscillator type will list parameters, but little about accessing them for modulation. You can use a powerful 6-op FM synthesizer, but there doesn’t appear to be any way to choose and edit the algorithms. Most importantly, the online help could never replace the organized information of a well written manual.

I truly love what this synthesizer can do; I highly recommend it. As I mentioned, you can achieve great results by simply poking around the visible parameters. There are hundreds of great presets to get you started, and it’s easy to tweak or even radically change a patch enough to save and call it your own. But if you want to dig in deeper (I do!), without a manual, you had best be a kinesthetic learner.
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Response from developer

Thank you so much for your great and detailed review :) Manual will come in the next update!

Can’t get any presets working on iPhone 6

They all just sound the same as the last oscillator i have loaded, despite being labelled as the preset in the top bar.

Response from developer

Hm, that's weird, so you can not change a preset (sound)? iPhone 6 is already pretty old, maybe that's an issue, though it works good on my iPhone 6s

Der MPE Burner

Nach anfänglicher Skepsis bin ich nach einem zweiten Anlauf doch sehr zufrieden mit dem Teil bringt neuen Schwung in mein Setup. Durch die MPE Matrix ist das für mein ROLI Seaboard der beste Synthesizer geworden, daran können sich viele orientieren die meinen MPE Ready zu sein. Kein anderer Synthesizer bietet das. Absolut Outstanding ! 6 Sterne 🤩
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Response from developer

Das freu mich zu hören ! Es wird noch viel Neues kommen :)

Keeps getting better and better and better with every single update!

Highly recommended for anyone who is looking for interesting and playable sounds.

Response from developer

Thank you ❤️ More to come :)

Developer apps

FAQ

What kind of sounds can Elastic OSC create?

Elastic OSC can generate a wide variety of sounds, including analog-style, FM, additive, physical modeling, percussive, and drum sounds, thanks to its 24 distinct oscillator models.

Can Elastic OSC be used with other music apps?

Yes, Elastic OSC can be used as an AUv3 plugin within your DAW of choice on iOS, allowing for seamless integration into your music production workflow.

How does Elastic OSC handle polyphony?

Elastic OSC supports both monophonic and 8-voice polyphonic modes, allowing you to play chords or layered sounds.

Does Elastic OSC have ads?

No, Elastic OSC does not contain advertisements, providing an uninterrupted creative experience.

What is the price of Elastic OSC?

Elastic OSC is available for a one-time purchase of $9.99.

How often is Elastic OSC updated?

The app was last updated on April 8, 2026, indicating active development and support.

What devices is Elastic OSC compatible with?

Elastic OSC is compatible with iPhone, iPad, and iPod touch devices.

What is the age rating for Elastic OSC?

Elastic OSC has an age rating of 4+, making it suitable for a wide range of users.