# M923. vs Achno

The clearest difference is update cadence: Achno at every 2 weeks against M923.'s every 4 months. M923.'s advantage is iOS requirement (11.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

M923. ships an update every 4 months, Achno every 2 weeks. The most recent releases landed on October 19, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | M923. | Achno |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 weeks** |
| Size | 306 MB | 45 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Total Reality B.V.](https://appshunter.io/developer/1072438941) | [Mohamed KINANA](https://appshunter.io/developer/1845148296) |

## What reviewers say

### M923.

[App page](https://appshunter.io/ios/app/m923/id1483939562)

**Features:** macOS Compatibility

**In-app purchases:** none


### Achno

[App page](https://appshunter.io/ios/app/achno/id6753813396)

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

**In-app purchases:** none


## Frequently asked questions

### Is M923. free?

M923. is free to download, with no in-app purchases.

### Is Achno free?

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

### Do M923. or Achno have ads?

Neither M923. nor Achno shows ads.

### Which is updated more often, M923. or Achno?

M923. ships an update every 4 months, and Achno every 2 weeks. Most recently, M923. was updated on October 19, 2026 and Achno 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.*