# Knob16 vs midi

The clearest difference is in-app purchases: midi at none against Knob16's 1. midi also leads on iOS requirement (16.0 vs 18.6). Knob16's advantage is update cadence (every 8 days vs every 5 weeks). On price, ads and device support there is nothing between them.

Both are free to download. Knob16 sells 1 one-off in-app purchase. midi asks for nothing beyond the download.

Knob16 ships an update every 8 days, midi every 5 weeks. Both last shipped on October 31, 2026.

## The numbers

| Metric | Knob16 | midi |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 8 days** | Every 5 weeks |
| Size | 12 MB | 8 MB |
| Requires iOS | 18.6 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [JURIJS KOSKINS](https://appshunter.io/developer/1888330126) | [Vibetuned](https://appshunter.io/developer/6807116235) |

## What reviewers say

### Knob16

[App page](https://appshunter.io/ios/app/knob16/id6761230712)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Knob16 Pro | $11.99 | one-time |


### midi

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

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

**In-app purchases:** none


## Frequently asked questions

### Is Knob16 free?

Knob16 is free to download, with in-app purchases available.

### Is midi free?

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

### Do Knob16 or midi have ads?

Neither Knob16 nor midi shows ads.

### Which is updated more often, Knob16 or midi?

Knob16 ships an update every 8 days, and midi every 5 weeks. Most recently, Knob16 was updated on October 31, 2026 and midi on October 31, 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.*