# CHANG CHI vs Gensan

The clearest difference is device support: CHANG CHI at 3 against Gensan's —. Gensan's advantage is iOS requirement (12.0 vs 15.0). On price and in-app purchases there is nothing between them.

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

## The numbers

| Metric | CHANG CHI | Gensan |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Every 3 weeks | — |
| Size | 63 MB | 90 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [CHANG CHI](https://appshunter.io/developer/1690011690) | [BKSA Group PTY Ltd](https://appshunter.io/developer/1706100281) |

## What reviewers say

### CHANG CHI

[App page](https://appshunter.io/ios/app/chang-chi/id6449670494)

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

**In-app purchases:** none


### Gensan

[App page](https://appshunter.io/ios/app/gensan/id6464480879)

**In-app purchases:** none


## Frequently asked questions

### Is CHANG CHI free?

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

### Is Gensan free?

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

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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.*