# AI教师助手 vs Roll Call · Teacher Assistant

The clearest difference is update cadence: Roll Call · Teacher Assistant at every 3 days against AI教师助手's every 3 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. AI教师助手 sells 1 one-off in-app purchase and Roll Call · Teacher Assistant sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

AI教师助手 ships an update every 3 weeks, Roll Call · Teacher Assistant every 3 days. The most recent releases landed on October 27, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | AI教师助手 | Roll Call · Teacher Assistant |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Size | 40 MB | 23 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Beijing Waiyan Online Digital Technology Co., Ltd.](https://appshunter.io/developer/1469175726) | [申生 金](https://appshunter.io/developer/1527691180) |

## What reviewers say

### AI教师助手

[App page](https://appshunter.io/ios/app/ai/id6499516346)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AI教师助手月度会员 | $14.99 | one-time |


### Roll Call · Teacher Assistant

[App page](https://appshunter.io/ios/app/roll-call-teacher-assistant/id6759387869)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 永久解锁 | $9.99 | one-time |


## Frequently asked questions

### Is AI教师助手 free?

AI教师助手 is free to download, with in-app purchases available.

### Is Roll Call · Teacher Assistant free?

Roll Call · Teacher Assistant is free to download, with in-app purchases available.

### Do AI教师助手 or Roll Call · Teacher Assistant have ads?

Neither AI教师助手 nor Roll Call · Teacher Assistant shows ads.

### Which is updated more often, AI教师助手 or Roll Call · Teacher Assistant?

AI教师助手 ships an update every 3 weeks, and Roll Call · Teacher Assistant every 3 days. Most recently, AI教师助手 was updated on October 27, 2026 and Roll Call · Teacher Assistant on October 31, 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.*