FRMS - Granular Synthesizer

In-app purchases
202 reviews
Content rating
PEGI 3
10K+
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Content rating
PEGI 3
In-app purchases
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About this app

FRMS blends Granular, FM, Additive, and Subtractive synthesis in a powerful, flexible layering system. Create lush, evolving soundscapes or gritty, glitchy textures by combining up to four synthesis layers. With a sleek, intuitive interface, FRMS turns basic sounds into immersive audio experiences—from dense ambient drones to mechanical soundscapes.

Choose from FRMS’s curated sample library, import your own sounds, or capture live audio for instant granulation. Shape unique sounds with layered synthesis, independent envelopes, modulation, and effects.

Key Features:

- 4 Synthesis Engines, 4 Layers Per Voice – Mix Granular, FM, Additive, and Subtractive synthesis.
- FM Modes & Operator Stacking – Create rich, complex tones with 8 FM modes.
- Real-Time Granulation – Process samples or live audio with up to 640 grains.
Deep Modulation & Envelope Control – Modulation matrix per layer, plus 2 EGs and filters per layer.
- Advanced FX & Polyphony – 4 voices polyphony, arpeggiator, delay, and reverb.
- High-Quality Sample Library & MPE Compatibility – Access FRMS’s expansive sound library and integrate with MIDI Polyphonic Expression and Ableton Link.
- Unlock endless sonic possibilities with FRMS, perfect for both beginners and advanced sound designers.

For detailed operation information and requirements please visit:
https://www.imaginando.pt/products/frms-granular-synthesizer/help/contents

We're passionate about customer service too - If you have any questions, suggestions, or feedback, please get in touch via our contact page:
https://www.imaginando.pt/contact-us
Powerful Hybrid Granular Synthesizer
Updated on
23 Oct 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region and age. The developer provided this information and may update it over time.
  • This app may share these data types with third parties
    Device or other IDs
  • This app may collect these data types
    Personal info and Device or other IDs
  • Data is encrypted in transit
  • You can request that data be deleted

Ratings and reviews

110 reviews
Calvin Byers
6 August 2026
Best granular synth I could find on Android. Works fine with my MPE gear, and the sound packs are actually fun places to start sound design from. No complaints. Would maybe like an fx rack with some distortion stuff, but it's pretty capable of getting there just with grain grit.
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LeVi Nobody
8 July 2020
samsung galaxy s1o snapdragon Great synth so excited for Android existence. LoVe u imaginando. Thank you guys Update: recent freezing issues, no sound, & knobs overlapping. I'll try a reinstall to see if it corrects. Curious if unlocked version is more stable. The iOS & desktop versions have run flawlessly so far.
4 people found this review helpful
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Imaginando Lda
2 July 2020
Thank you so much Levi! Enjoy!
David Harris (Monkey_2_Man)
16 March 2026
Frustrating Experience.. Every time I use the app I can browse menus and click buttons as long as I like, BUT when I start to play actual notes using the phones on screen keyboard the app will completely freeze after a few seconds. It becomes totally unresponsive and I can only fix it by backing out of the app and restarting it. It does this EVERY time I use the app. It also affects your other app DRC. Same exact issue in both FRMS and DRC. My phone is a Samsung Galaxy S24 running Android 16.
2 people found this review helpful
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What's new

- Added sample cropping for expansion pack samples.
- Fixed selecting a region of the waveform.
- Fixed a crash when clearing a layer's sample
- Fixed recording multiple layers at the same time.
- Fixed crashes when starting or stopping a recording into a layer.
- Fixed notes staying silent in MONO or UNISON with legato on after playing in POLY.
- Fixed the on-screen keyboard's zoom and scroll position resetting on every launch.