# 公式大师 vs AI智能助手

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

Both are free to download. AI智能助手 sells 4 in-app purchases, starting at $9.99 per 7 days. 公式大师 asks for nothing beyond the download.

公式大师 ships an update fortnightly, AI智能助手 every 3 weeks. Both last shipped on November 4, 2026.

## The numbers

| Metric | 公式大师 | AI智能助手 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Size | 10 MB | 52 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [红梅 饶](https://appshunter.io/developer/1797564965) | [凯 钱](https://appshunter.io/developer/1628287133) |

## 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智能助手

[App page](https://appshunter.io/ios/app/aiai/id6680163400)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 周会员 | $9.99 | per 7 days |
| 月会员 | $14.99 | per month |
| 季度会员 | $29.99 | per 3 months |
| 终身会员 | $29.99 | one-time |


## Frequently asked questions

### Is 公式大师 free?

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

### Is AI智能助手 free?

AI智能助手 is free to download, with in-app purchases available.

### Do 公式大师 or AI智能助手 have ads?

Neither 公式大师 nor AI智能助手 shows ads.

### Which is updated more often, 公式大师 or AI智能助手?

公式大师 ships an update fortnightly, and AI智能助手 every 3 weeks. Most recently, 公式大师 was updated on November 4, 2026 and AI智能助手 on November 4, 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.*