# Soundby vs MIDI MACHINE

The clearest difference is in-app purchases: Soundby at none against MIDI MACHINE's 1. Soundby also leads on iOS requirement (13.0 vs 18.6). MIDI MACHINE's advantage is ads (none vs shown). On price, update cadence and device support there is nothing between them.

Both are free to download. MIDI MACHINE sells 1 one-off in-app purchase. Soundby asks for nothing beyond the download.

Soundby ships an update every 9 days, MIDI MACHINE weekly. The most recent releases landed on October 8, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Soundby | MIDI MACHINE |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 9 days | **Weekly** |
| Size | 68 MB | 52 MB |
| Requires iOS | **13.0** | 18.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [KSENIA S PLASTININA](https://appshunter.io/developer/1878799650) | [Niklas Koellner](https://appshunter.io/developer/1885054421) |

## What reviewers say

### Soundby

[App page](https://appshunter.io/ios/app/soundby/id6759470160)

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

**In-app purchases:** none


### MIDI MACHINE

[App page](https://appshunter.io/ios/app/midi-machine/id6760569464)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MIDI MACHINE Pro | $4.99 | one-time |


## Frequently asked questions

### Is Soundby free?

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

### Is MIDI MACHINE free?

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

### Do Soundby or MIDI MACHINE have ads?

Soundby shows ads; MIDI MACHINE does not.

### Which is updated more often, Soundby or MIDI MACHINE?

Soundby ships an update every 9 days, and MIDI MACHINE weekly. Most recently, Soundby was updated on October 8, 2026 and MIDI MACHINE on October 6, 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.*