# LH Grain vs Midiflow Randomizer (Audiobus)

The clearest difference is rating: Midiflow Randomizer (Audiobus) at 3.0 against LH Grain's 2.3. Midiflow Randomizer (Audiobus) also leads on review sentiment (50% vs 25%) and price ($1.99 vs $2.99). On ratings volume, update cadence, ads and in-app purchases there is nothing between them.

LH Grain costs $2.99 and Midiflow Randomizer (Audiobus) $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Midiflow Randomizer (Audiobus) holds the better App Store score, 3.0 against 2.3. Both are backed by a comparable volume of ratings — 3 and 4 respectively. Written reviews point the same way: 25% of LH Grain's written reviews are positive against 50% of Midiflow Randomizer (Audiobus)'s.

LH Grain ships an update every 15 months, Midiflow Randomizer (Audiobus) every 11 months. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | LH Grain | Midiflow Randomizer (Audiobus) |
| --- | --- | --- |
| Price | $2.99 | **$1.99** |
| Rating | [2.3 (3 ratings)](https://appshunter.io/ios/app/lh-grain/id673676932/reviews) | **[3.0 (4 ratings)](https://appshunter.io/ios/app/midiflow-randomizer-audiobus/id1107244758/reviews)** |
| Number of ratings | 3 | **4** |
| Positive reviews | 25.0% of reviews | **50.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 15 months | **Every 11 months** |
| Monetization | Paid | Paid |
| Size | 34 MB | 5 MB |
| Requires iOS | **9.0** | 10.2 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [昊 刘](https://appshunter.io/developer/652348004) | [Johannes Doerr](https://appshunter.io/developer/622204117) |

## 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


### Midiflow Randomizer (Audiobus)

[App page](https://appshunter.io/ios/app/midiflow-randomizer-audiobus/id1107244758)

This MIDI effect app generates random variations in notes, velocities, and timing for musical sequences. It allows users to specify the range of randomization and can be used with other MIDI tools for harmonious results. Requires Audiobus 3.

**Highlights:** Randomize notes, Randomize note velocities, Randomize timing, Specify variation range, Use multiple instances, Requires Audiobus 3

**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 Midiflow Randomizer (Audiobus) free?

Midiflow Randomizer (Audiobus) costs $1.99, with no in-app purchases.

### Which has better reviews, LH Grain or Midiflow Randomizer (Audiobus)?

Midiflow Randomizer (Audiobus) is rated higher. LH Grain averages 2.3 out of 5 from 3 ratings, while Midiflow Randomizer (Audiobus) averages 3.0 from 4 ratings.

### Do LH Grain or Midiflow Randomizer (Audiobus) have ads?

Neither LH Grain nor Midiflow Randomizer (Audiobus) shows ads.

### Which is updated more often, LH Grain or Midiflow Randomizer (Audiobus)?

LH Grain ships an update every 15 months, and Midiflow Randomizer (Audiobus) every 11 months. Most recently, LH Grain was updated on October 23, 2026 and Midiflow Randomizer (Audiobus) 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.*