# Midiflow Randomizer (Audiobus) vs MIDIplay

The clearest difference is rating: Midiflow Randomizer (Audiobus) at 3.0 against MIDIplay's 2.3. Midiflow Randomizer (Audiobus) also leads on review sentiment (50% vs 33%) and iOS requirement (10.2 vs 16.0). MIDIplay's advantage is update cadence (every 2 months vs every 11 months). On price, ratings volume, ads and in-app purchases there is nothing between them.

Midiflow Randomizer (Audiobus) costs $1.99 and MIDIplay $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 — 4 and 3 respectively. Written reviews point the same way: 50% of Midiflow Randomizer (Audiobus)'s written reviews are positive against 33% of MIDIplay's.

Midiflow Randomizer (Audiobus) ships an update every 11 months, MIDIplay every 2 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | Midiflow Randomizer (Audiobus) | MIDIplay |
| --- | --- | --- |
| Price | $1.99 | $1.99 |
| Rating | **[3.0 (4 ratings)](https://appshunter.io/ios/app/midiflow-randomizer-audiobus/id1107244758/reviews)** | [2.3 (3 ratings)](https://appshunter.io/ios/app/midiplay/id1240938980/reviews) |
| Number of ratings | **4** | 3 |
| Positive reviews | **50.0% of reviews** | 33.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 2 months** |
| Monetization | Paid | Paid |
| Size | 5 MB | 5 MB |
| Requires iOS | **10.2** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Johannes Doerr](https://appshunter.io/developer/622204117) | [Mark Carlotto](https://appshunter.io/developer/293347135) |

## What reviewers say

### 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


### MIDIplay

[App page](https://appshunter.io/ios/app/midiplay/id1240938980)

This application allows users to play MIDI files with multiple tracks and channels, offering selective control. It features a built-in FM synth and a sound space surface controller, with sliders for tempo and pitch adjustment.

**Highlights:** MIDI file playback, Multi-track and channel control, Built-in FM synth, Sound space surface controller, Tempo and pitch sliders, Transposition +/- 6 semi-tones

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

**In-app purchases:** none


## Frequently asked questions

### Is Midiflow Randomizer (Audiobus) free?

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

### Is MIDIplay free?

MIDIplay costs $1.99, with no in-app purchases.

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

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

### Do Midiflow Randomizer (Audiobus) or MIDIplay have ads?

Neither Midiflow Randomizer (Audiobus) nor MIDIplay shows ads.

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

Midiflow Randomizer (Audiobus) ships an update every 11 months, and MIDIplay every 2 months. Most recently, Midiflow Randomizer (Audiobus) was updated on October 24, 2026 and MIDIplay 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.*