# AI经期 vs 卡士学堂

The clearest difference is update cadence: AI经期 at monthly against 卡士学堂's every 28 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

AI经期 ships an update monthly, 卡士学堂 every 28 months. The most recent releases landed on October 2, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | AI经期 | 卡士学堂 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 28 months |
| Size | 29 MB | 52 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Chengdu Mantang Tianxia Network Technology Co., Ltd.](https://appshunter.io/developer/1576061027) | [绿雪生物工程(深圳)有限公司](https://appshunter.io/developer/1172037887) |

## What reviewers say

### AI经期

[App page](https://appshunter.io/ios/app/ai/id1671471002)

**Features:** macOS Compatibility

**In-app purchases:** none


### 卡士学堂

[App page](https://appshunter.io/ios/app/id6448012556)

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

**In-app purchases:** none


## Frequently asked questions

### Is AI经期 free?

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

### Is 卡士学堂 free?

卡士学堂 is free to download, with no in-app purchases.

### Do AI经期 or 卡士学堂 have ads?

Neither AI经期 nor 卡士学堂 shows ads.

### Which is updated more often, AI经期 or 卡士学堂?

AI经期 ships an update monthly, and 卡士学堂 every 28 months. Most recently, AI经期 was updated on October 2, 2026 and 卡士学堂 on October 5, 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.*