# GrainProc vs LH Grain Pad

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.

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.

## The numbers

| Metric | GrainProc | LH Grain Pad |
| --- | --- | --- |
| Price | $2.99 | $2.99 |
| Rating | **[4.2 (18 ratings)](https://appshunter.io/ios/app/grainproc-granular-synthesis/id572380905/reviews)** | [4.0 (4 ratings)](https://appshunter.io/ios/app/lh-grain-pad/id926167601/reviews) |
| Number of ratings | **18** | 4 |
| Positive reviews | **60.0% of reviews** | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 25 months |
| Monetization | Paid | Paid |
| Size | 6 MB | 34 MB |
| Requires iOS | 16.0 | **9.0** |
| Devices | **iPhone, iPad** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Mayank Sanganeria](https://appshunter.io/developer/527550366) | [昊 刘](https://appshunter.io/developer/652348004) |

## What reviewers say

### GrainProc

[App page](https://appshunter.io/ios/app/grainproc-granular-synthesis/id572380905)

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.

**Highlights:** Real-time granular synthesis, Two parallel grain engines, AudioBus input support, Waveform sound source manipulation, Control over volume, feedback, and density, Visual level monitoring

**Features:** macOS Compatibility

**In-app purchases:** none


### LH Grain Pad

[App page](https://appshunter.io/ios/app/lh-grain-pad/id926167601)

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.

**Highlights:** 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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is GrainProc free?

GrainProc costs $2.99, with no in-app purchases.

### Is LH Grain Pad free?

LH Grain Pad costs $2.99, with no in-app purchases.

### Which has better reviews, GrainProc or LH Grain Pad?

GrainProc is rated higher. GrainProc averages 4.2 out of 5 from 18 ratings, while LH Grain Pad averages 4.0 from 4 ratings.

### Do GrainProc or LH Grain Pad have ads?

Neither GrainProc nor LH Grain Pad shows ads.

### Which is updated more often, GrainProc or LH Grain Pad?

GrainProc ships an update every 2 months, and LH Grain Pad every 25 months. Most recently, GrainProc was updated on October 23, 2026 and LH Grain Pad on October 24, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*