# AXON vs Katachi

The clearest difference is in-app purchases: AXON at none against Katachi's 1. AXON also leads on ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

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

## The numbers

| Metric | AXON | Katachi |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Monthly |
| Size | 12 MB | 6 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone | iPhone |
| Age rating | 9+ | 4+ |
| Developer | [ILHAN ALTINKAYA](https://appshunter.io/developer/1877256235) | [atsuko imai](https://appshunter.io/developer/1830783417) |

## What reviewers say

### AXON

[App page](https://appshunter.io/ios/app/axon-brain-training/id6759184006)

**In-app purchases:** none


### Katachi

[App page](https://appshunter.io/ios/app/katachi-shape-reflex-puzzle/id6760748598)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |


## Frequently asked questions

### Is AXON free?

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

### Is Katachi free?

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

### Do AXON or Katachi have ads?

Katachi shows ads; AXON does not.

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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.*