# Midiflow Randomizer (Audiobus) vs mididelay

The clearest difference is review sentiment: mididelay at 100% against Midiflow Randomizer (Audiobus)'s 50%. mididelay also leads on rating (5.0 vs 3.0). Midiflow Randomizer (Audiobus)'s advantage is price ($1.99 vs $4.99) and iOS requirement (10.2 vs 15.6). On ratings volume, update cadence, ads and in-app purchases there is nothing between them.

Midiflow Randomizer (Audiobus) costs $1.99 and mididelay $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

mididelay holds the better App Store score, 5.0 against 3.0. 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 100% of mididelay's.

Midiflow Randomizer (Audiobus) ships an update every 11 months, mididelay every 10 months. The most recent releases landed on November 2, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Midiflow Randomizer (Audiobus) | mididelay |
| --- | --- | --- |
| Price | **$1.99** | $4.99 |
| Rating | [3.0 (4 ratings)](https://appshunter.io/ios/app/midiflow-randomizer-audiobus/id1107244758/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/mididelay/id6505042226/reviews)** |
| Number of ratings | **4** | 3 |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 10 months** |
| Monetization | Paid | Paid |
| Size | 5 MB | 9 MB |
| Requires iOS | **10.2** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Johannes Doerr](https://appshunter.io/developer/622204117) | [Alexey Nadzharov](https://appshunter.io/developer/729549192) |

## 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


### mididelay

[App page](https://appshunter.io/ios/app/mididelay/id6505042226)

This app applies traditional delay effects to MIDI data, allowing for complex sound manipulation. It offers multiple independent delay lines, various MIDI message processing, and customizable feedback chains with built-in effects. Organize lines sequentially or in parallel for unique sonic textures.

**Highlights:** 8 independent delay lines with feedback, Processes MIDI notes, CC, aftertouch, pressure, pitch bend, Customizable feedback modes (average, min, max), Sequential and parallel delay line algorithms, Scale quantize, pitch, and velocity randomization, 3 independent scenes with cross-fading, Standalone and AUv3 support

**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 mididelay free?

mididelay costs $4.99, with no in-app purchases.

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

mididelay is rated higher. Midiflow Randomizer (Audiobus) averages 3.0 out of 5 from 4 ratings, while mididelay averages 5.0 from 3 ratings.

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

Neither Midiflow Randomizer (Audiobus) nor mididelay shows ads.

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

Midiflow Randomizer (Audiobus) ships an update every 11 months, and mididelay every 10 months. Most recently, Midiflow Randomizer (Audiobus) was updated on November 2, 2026 and mididelay on October 30, 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.*