# 公式大师 vs AI海报

The clearest difference is in-app purchases: 公式大师 at none against AI海报's 4. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. AI海报 sells 3 in-app purchases, starting at $4.99 per 7 days. 公式大师 asks for nothing beyond the download.

公式大师 ships an update fortnightly, AI海报 every 10 days. The most recent releases landed on October 6, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 公式大师 | AI海报 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 10 days** |
| Size | 10 MB | 38 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [红梅 饶](https://appshunter.io/developer/1797564965) | [梓阳 陈](https://appshunter.io/developer/1896593902) |

## What reviewers say

### 公式大师

[App page](https://appshunter.io/ios/app/id6575364770)

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

**In-app purchases:** none


### AI海报

[App page](https://appshunter.io/ios/app/ai/id6770405678)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 高级会员 | $4.99 | per 7 days |
| 高级会员 | $4.99 | per 7 days |
| 高级会员 | $9.99 | per month |


## Frequently asked questions

### Is 公式大师 free?

公式大师 is free to download, with no in-app purchases.

### Is AI海报 free?

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

### Do 公式大师 or AI海报 have ads?

Neither 公式大师 nor AI海报 shows ads.

### Which is updated more often, 公式大师 or AI海报?

公式大师 ships an update fortnightly, and AI海报 every 10 days. Most recently, 公式大师 was updated on October 6, 2026 and AI海报 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.*