# Aix vs AI钥匙串

The clearest difference is in-app purchases: Aix at none against AI钥匙串's 1. Aix also leads on iOS requirement (15.1 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. AI钥匙串 sells 1 one-off in-app purchase. Aix asks for nothing beyond the download.

## The numbers

| Metric | Aix | AI钥匙串 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 6 weeks |
| Size | 27 MB | 5 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [庆文 曾](https://appshunter.io/developer/1875136176) | [欣悦 王](https://appshunter.io/developer/1880251143) |

## What reviewers say

### Aix

[App page](https://appshunter.io/ios/app/aix-ai-plus-x/id6760244637)

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

**In-app purchases:** none


### AI钥匙串

[App page](https://appshunter.io/ios/app/ai/id6778318694)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Key Cards | $0.99 | one-time |


## Frequently asked questions

### Is Aix free?

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

### Is AI钥匙串 free?

AI钥匙串 is free to download, with in-app purchases available.

### Do Aix or AI钥匙串 have ads?

Neither Aix nor AI钥匙串 shows ads.

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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.*