# AI助教 vs 七天助教

The clearest difference is in-app purchases: AI助教 at none against 七天助教's 10. AI助教 also leads on iOS requirement (9.0 vs 16.6). 七天助教's advantage is update cadence (fortnightly vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. 七天助教 sells 10 one-off in-app purchases. AI助教 asks for nothing beyond the download.

AI助教 ships an update every 2 months, 七天助教 fortnightly. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | AI助教 | 七天助教 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Size | 25 MB | 52 MB |
| Requires iOS | **9.0** | 16.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Guangdong Etonedu Co., Ltd.](https://appshunter.io/developer/1054603787) | [安徽七天网络科技有限公司](https://appshunter.io/developer/1239085124) |

## What reviewers say

### AI助教

[App page](https://appshunter.io/ios/app/ai/id1562931964)

**Features:** macOS Compatibility

**In-app purchases:** none


### 七天助教

[App page](https://appshunter.io/ios/app/id6790707314)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 9.9元加油包 | $0.99 | one-time |
| 加油包48元 | $6.99 | one-time |
| 加油包78元 | $9.99 | one-time |
| 小额加油包 | $17.99 | one-time |
| 标准加油包 | $29.99 | one-time |
| 高频加油包 | $39.99 | one-time |
| Lite年度会员 | $149.99 | one-time |
| Plus年度会员 | $299.99 | one-time |
| Pro年度会员 | $499.99 | one-time |
| Max年度会员 | $999.99 | one-time |


## Frequently asked questions

### Is AI助教 free?

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

### Is 七天助教 free?

七天助教 is free to download, with in-app purchases available.

### Do AI助教 or 七天助教 have ads?

Neither AI助教 nor 七天助教 shows ads.

### Which is updated more often, AI助教 or 七天助教?

AI助教 ships an update every 2 months, and 七天助教 fortnightly. Most recently, AI助教 was updated on October 27, 2026 and 七天助教 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.*