GrainProc vs LH Grain Pad
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
GrainProc
Create unique sounds and musical textures in real-time by processing external audio. This app features two parallel granular engines for layering sounds, offering a versatile tool for musicians and sound designers.
- Real-time granular synthesis
- Two parallel grain engines
- AudioBus input support
- Waveform sound source manipulation
- Control over volume, feedback, and density
- Visual level monitoring
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GrainProc is a real-time granular synthesizer with which you can create new sounds and musical textures by affecting your voice, your instrument, or any input from AudioBus. 2 grain engines run in parallel, allowing you to layer two sounds and create rich textures, even as a solo performer! Features: • 2 Granular synthesizers running in parallel • Waveform representation of the sound allowing you to touch where you want the sound source to be • Sliders to control dry volume, wet volume, feedback level, and grain density • Visual level monitors of the dry, wet and feedback levels • Simple enough to be used with your feet! We discourage using your device with your feet, though it has been used that way for public performances!
LH Grain Pad
This app is a powerful granular synthesizer with two independent channels for creating unique sound textures. It offers extensive control over grain parameters, built-in samples, and a variety of audio effects for complex sound design. Ideal for both live performance and studio production.
- Dual independent granular channels
- 8 amplitude envelopes
- Built-in sample library
- Extensive audio effects suite
- Touchpad grain control
- Customizable pitch bar
- OSC message support
- Audio recorder
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LH Grain, a granular synthesizer with two channels -- each channel independent for generating and controlling granular textures -- is focused on stunning granular sound. To make your grains unique, LH Grain offers you 8 kinds of amplitude envelopes used for the grains and built-in samples furnishing a wide variety of wave shapes. There are a lot of audio effects which give you more possibilities to process the sound and make the sound more complex. To take advantage of LH Grain to deal with both live performance and studio work, the touch pad visualizing the grains and the customizable pitch bar provide you with the easy way to control sound. The support for OSC format message makes it possible LH Grain’s associating with other devices in real time. When you are ready to play, you can record what your are producing and share your pieces with other devices. ------notice ------- LH Grain does not support Audiobus. ------features------ --Sample Location Control --Grain Waveform Selector --Frequency Jitter --Grain Duration & Density Control With Touchpad --Pitch Bar --OSC Format Message Receive & Send —Audio Recorder. ———-FXs——— EQ, Format Filter, Ring Modulation, Low/High/Band pass filter, Chorus, Flanger, Distortion, Delay, Reverb, 3D Sound.
Screenshots
Verdict
The clearest difference is update cadence: GrainProc at every 2 months against LH Grain Pad's every 25 months. GrainProc also leads on review sentiment (60% vs 50%) and ratings volume (18 vs 4). LH Grain Pad's advantage is iOS requirement (9.0 vs 16.0). On price, rating, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
GrainProc costs $2.99 and LH Grain Pad $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.
GrainProc holds the better App Store score, 4.2 against 4.0. Both are backed by a comparable volume of ratings — 18 and 4 respectively. Written reviews point the same way: 60% of GrainProc's written reviews are positive against 50% of LH Grain Pad's.
GrainProc ships an update every 2 months, LH Grain Pad every 25 months. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.
| Parameter | GrainProc | LH Grain Pad |
|---|---|---|
| Price | $2.99 | $2.99 |
| Rating | 4.2 (18 ratings) — better | 4.0 (4 ratings) |
| Positive reviews | 60.0% of reviews — better | 50.0% of reviews |
| Number of ratings | 18 — better | 4 |
| Update frequency | Every 2 months — better | Every 25 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Devices | iPhone, iPad — better | iPad |
| Requires iOS | 16.0 | 9.0 — better |
| Further details — not scored | ||
| Size | 6 MB | 34 MB |
| Age rating | 4+ | 4+ |
| Developer | Mayank Sanganeria | 昊 刘 |
Customer experience
GrainProc
LH Grain Pad
In-app purchases
GrainProc
No in-app purchases
LH Grain Pad
No in-app purchases









