Midiflow Randomizer (Audiobus) vs MIDIplay
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Midiflow Randomizer (Audiobus)
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.
- Randomize notes
- Randomize note velocities
- Randomize timing
- Specify variation range
- Use multiple instances
- Requires Audiobus 3
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Whether you want to add a human touch to note sequences or seek inspiration, this MIDI effect app for Audiobus 3 is a simple but effective tool for you. Randomize notes, note velocities, and timing just by specifying a desired range of variations. With the help of Midiflow Scales, you can keep your randomized notes in harmony. + Randomize notes + Randomize note velocities + Randomize timing + Specify an amount of variation for each type + Use multiple instances of this effect in Audiobus NOTE: This app requires Audiobus 3. Insert it into one or more MIDI effect ports to affect the data going through the respective pipelines.
MIDIplay
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.
- MIDI file playback
- Multi-track and channel control
- Built-in FM synth
- Sound space surface controller
- Tempo and pitch sliders
- Transposition +/- 6 semi-tones
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An app designed for Audiobus 3 that can also be used stand-alone with a cool built-in FM synth and sound space surface controller. MIDI files can contain multiple tracks and channels, which can be selectively turned on/off. Sliders control tempo and pitch (can be transposed +/- 6 semi-tones). https://www.youtube.com/watch?v=GMm4BkcL28I
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Midiflow Randomizer (Audiobus) | MIDIplay |
|---|---|---|
| Price | $1.99 | $1.99 |
| Rating | 3.0 (4 ratings) — better | 2.3 (3 ratings) |
| Positive reviews | 50.0% of reviews — better | 33.3% of reviews |
| Number of ratings | 4 — better | 3 |
| Update frequency | Every 11 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 10.2 — better | 16.0 |
| Further details — not scored | ||
| Size | 5 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Johannes Doerr | Mark Carlotto |
Customer experience
Midiflow Randomizer (Audiobus)
MIDIplay
In-app purchases
Midiflow Randomizer (Audiobus)
No in-app purchases
MIDIplay
No in-app purchases
Questions
Is Midiflow Randomizer (Audiobus) free?
Is MIDIplay free?
Which has better reviews, Midiflow Randomizer (Audiobus) or MIDIplay?
Do Midiflow Randomizer (Audiobus) or MIDIplay have ads?
Which is updated more often, Midiflow Randomizer (Audiobus) or MIDIplay?
Other comparisons
