# LH Grain vs Microtonal Lab

The clearest difference is rating: LH Grain at 2.3 against Microtonal Lab's 1.0. LH Grain also leads on price ($2.99 vs $6.99) and ratings volume (3 vs 1). Microtonal Lab's advantage is update cadence (every 2 months vs every 15 months) and chart position (#197 vs unranked). On ads, in-app purchases, monetization model and device support there is nothing between them.

LH Grain costs $2.99 and Microtonal Lab $6.99 up front. Neither carries in-app purchases, so what you see is what you pay.

LH Grain holds the better App Store score, 2.3 against 1.0. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

LH Grain ships an update every 15 months, Microtonal Lab every 2 months. The most recent releases landed on September 10, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | LH Grain | Microtonal Lab |
| --- | --- | --- |
| Price | **$2.99** | $6.99 |
| Rating | **[2.3 (3 ratings)](https://appshunter.io/ios/app/lh-grain/id673676932/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/microtonal-lab/id6786773427/reviews) |
| Number of ratings | **3** | 1 |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 15 months | **Every 2 months** |
| Monetization | Paid | Paid |
| Best chart rank | — | **#197** |
| Size | 34 MB | 90 MB |
| Requires iOS | **9.0** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [昊 刘](https://appshunter.io/developer/652348004) | [Martin Adler](https://appshunter.io/developer/1896354791) |

## What reviewers say

### LH Grain

[App page](https://appshunter.io/ios/app/lh-grain/id673676932)

Create intricate soundscapes and dynamic audio effects with a dual-channel granular synthesizer. Features include diverse amplitude envelopes, extensive audio effects, and intuitive live performance tools like a touchpad and customizable pitch bar.

**Highlights:** Dual-channel granular synthesis, 8 amplitude envelope options, 10 integrated audio effects, Real-time touchpad control, Customizable pitch bar, OSC compatibility, Record and share sound files

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Microtonal Lab

[App page](https://appshunter.io/ios/app/microtonal-lab/id6786773427)

**Currently charting:** #197 Top Paid · Music (US App Store)

Explore music beyond the traditional 12-note scale with this comprehensive microtonal studio. Create custom scales, play a microtonal keyboard, sequence patterns, and perform live with a launchpad. Export your creations as MIDI files for further production.

**Highlights:** Harmonic Galaxy visualizer, Microtonal keyboard with custom scales, 32-step sequencer with FX, Launchpad for live performance, Extensive world scale library, Multiple tuning systems support, MIDI export for DAWs

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is LH Grain free?

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

### Is Microtonal Lab free?

Microtonal Lab costs $6.99, with no in-app purchases.

### Which has better reviews, LH Grain or Microtonal Lab?

LH Grain is rated higher. LH Grain averages 2.3 out of 5 from 3 ratings, while Microtonal Lab averages 1.0 from 1 ratings.

### Do LH Grain or Microtonal Lab have ads?

Neither LH Grain nor Microtonal Lab shows ads.

### Which is updated more often, LH Grain or Microtonal Lab?

LH Grain ships an update every 15 months, and Microtonal Lab every 2 months. Most recently, LH Grain was updated on September 10, 2026 and Microtonal Lab on September 15, 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.*