# samplerSequencer vs Midiflow Randomizer (Audiobus)

The clearest difference is device support: Midiflow Randomizer (Audiobus) at 3 against samplerSequencer's 1. Midiflow Randomizer (Audiobus) also leads on iOS requirement (10.2 vs 18.0). On price, update cadence, ads and in-app purchases there is nothing between them.

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

Both ship on a similar rhythm, roughly every 11 months. The most recent releases landed on October 16, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | samplerSequencer | Midiflow Randomizer (Audiobus) |
| --- | --- | --- |
| Price | $1.99 | $1.99 |
| Rating | — | **[3.0 (4 ratings)](https://appshunter.io/ios/app/midiflow-randomizer-audiobus/id1107244758/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | Every 11 months |
| Monetization | — | Paid |
| Size | 3 MB | 5 MB |
| Requires iOS | 18.0 | **10.2** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Gianluca Natalini](https://appshunter.io/developer/348380792) | [Johannes Doerr](https://appshunter.io/developer/622204117) |

## What reviewers say

### samplerSequencer

[App page](https://appshunter.io/ios/app/samplersequencer/id428801067)

**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 samplerSequencer free?

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

### Is Midiflow Randomizer (Audiobus) free?

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

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

Neither samplerSequencer nor Midiflow Randomizer (Audiobus) shows ads.

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

samplerSequencer ships an update every 11 months, and Midiflow Randomizer (Audiobus) every 11 months. Most recently, samplerSequencer was updated on October 16, 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.*