# 方天云 vs AI嘴替

The clearest difference is in-app purchases: 方天云 at none against AI嘴替's 2. 方天云 also leads on device support (3 vs 1) and iOS requirement (15.1 vs 17.0). AI嘴替's advantage is update cadence (weekly vs every 4 months). On price and ads there is nothing between them.

Both are free to download. AI嘴替 sells 2 in-app purchases, starting at $2.99 per 7 days. 方天云 asks for nothing beyond the download.

方天云 ships an update every 4 months, AI嘴替 weekly. The most recent releases landed on October 14, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | 方天云 | AI嘴替 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Weekly** |
| Size | 49 MB | 22 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Findersoft Software Co.,Ltd](https://appshunter.io/developer/1390962874) | [正 张](https://appshunter.io/developer/1883579299) |

## What reviewers say

### 方天云

[App page](https://appshunter.io/ios/app/id1390962875)

**Features:** macOS Compatibility

**In-app purchases:** none


### AI嘴替

[App page](https://appshunter.io/ios/app/ai/id6760478572)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Pass | $2.99 | per 7 days |
| Credits Pack | $2.99 | one-time |


## Frequently asked questions

### Is 方天云 free?

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

### Is AI嘴替 free?

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

### Do 方天云 or AI嘴替 have ads?

Neither 方天云 nor AI嘴替 shows ads.

### Which is updated more often, 方天云 or AI嘴替?

方天云 ships an update every 4 months, and AI嘴替 weekly. Most recently, 方天云 was updated on October 14, 2026 and AI嘴替 on October 20, 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.*