Transform any sound into unique sonic textures using a powerful granular synthesizer. Manipulate audio with multiple playheads, record live input, and play it like an instrument via MIDI. Optimized for mobile, it offers extensive control and export options.
1.4.2
August 3, 2026
Usability improvements to multi-playhead and mod screens.
Thanks for flagging this: you found a real bug. The playhead screen had no way to close it on some phones, so you were stuck force-quitting to get out. It is fixed in the update that's live now (version 1.3.2). Sorry for the hassle, and thanks for taking the time to report it.
Grainsmith Field is a granular synthesizer and AUv3 effect designed for iPad and iPhone. It allows users to load or record audio and manipulate it into unique sonic textures using its advanced granular engine.
Grainsmith Field is available for both iPhone and iPad, offering a compact layout for iPhone users. It requires iOS 14 or later.
Grainsmith Field is a paid application, priced at $9.99. There are no subscriptions or in-app purchases required to access its full functionality.
Yes, Grainsmith Field can be played as an instrument using a MIDI keyboard in its standalone mode. It supports four-voice polyphony, an attack/release envelope, and various pitch snapping modes.
No, Grainsmith Field does not contain any advertisements. It is a premium application with no ads or in-app purchases.
The latest version, 1.3.0, was released on July 19, 2026, indicating active development and regular updates. Users can expect ongoing improvements and new features.
Yes, you can record your performances directly within Grainsmith Field to a WAV file. The app supports background audio recording and features a Lock Screen Live Activity while recording.
Grainsmith Field has an age rating of 4+, making it suitable for a wide range of users. It does not contain any mature content.
