# midi vs Octal

The clearest difference is in-app purchases: midi at none against Octal's 1. midi also leads on iOS requirement (16.0 vs 26.0). Octal's advantage is update cadence (daily vs every 5 weeks). On price, ads and device support there is nothing between them.

Both are free to download. Octal sells 1 one-off in-app purchase. midi asks for nothing beyond the download.

midi ships an update every 5 weeks, Octal daily. Both last shipped on October 29, 2026.

## The numbers

| Metric | midi | Octal |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/octal-pocket-synth/id6822089963/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Daily** |
| Monetization | — | Free with in-app purchases |
| Size | 8 MB | 36 MB |
| Requires iOS | **16.0** | 26.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Vibetuned](https://appshunter.io/developer/6807116235) | [RYAN JAMES,GALANG ELLIS](https://appshunter.io/developer/6818578656) |

## What reviewers say

### midi

[App page](https://appshunter.io/ios/app/midi-sink/id6810793641)

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

**In-app purchases:** none


### Octal

[App page](https://appshunter.io/ios/app/octal-pocket-synth/id6822089963)

This app transforms your phone into a musical instrument with eight intuitive buttons that always create harmonious chords or notes. Easily record loops, layer beats, and arrange them into full songs. Explore a variety of sounds and share your creations.

**Highlights:** Eight-button chord/note interface, Loop recording and editing, Song arrangement, Diverse sound library, Undo/history functionality, Audio file sharing

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Octal, the full version | $9.99 | one-time |


## Frequently asked questions

### Is midi free?

midi is free to download, with no in-app purchases.

### Is Octal free?

Octal is free to download, with in-app purchases available.

### Do midi or Octal have ads?

Neither midi nor Octal shows ads.

### Which is updated more often, midi or Octal?

midi ships an update every 5 weeks, and Octal daily. Most recently, midi was updated on October 29, 2026 and Octal on October 29, 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.*