# AI经期 vs 姨妈神器

The clearest difference is in-app purchases: AI经期 at none against 姨妈神器's 3. AI经期 also leads on ads (none vs shown) and update cadence (monthly vs every 6 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. 姨妈神器 sells 3 in-app purchases, starting at $2.99 per month. AI经期 asks for nothing beyond the download.

AI经期 ships an update monthly, 姨妈神器 every 6 months. The most recent releases landed on January 3, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | AI经期 | 姨妈神器 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Monthly** | Every 6 months |
| Size | 29 MB | 25 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Chengdu Mantang Tianxia Network Technology Co., Ltd.](https://appshunter.io/developer/1576061027) | [良坤 姜](https://appshunter.io/developer/1635478321) |

## What reviewers say

### AI经期

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

**Features:** macOS Compatibility

**In-app purchases:** none


### 姨妈神器

[App page](https://appshunter.io/ios/app/id6575347537)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月度会员 | $2.99 | per month |
| 季度会员 | $3.99 | per 3 months |
| 年度会员 | $4.99 | per year |


## Frequently asked questions

### Is AI经期 free?

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

### Is 姨妈神器 free?

姨妈神器 is free to download, with in-app purchases available.

### Do AI经期 or 姨妈神器 have ads?

姨妈神器 shows ads; AI经期 does not.

### Which is updated more often, AI经期 or 姨妈神器?

AI经期 ships an update monthly, and 姨妈神器 every 6 months. Most recently, AI经期 was updated on January 3, 2026 and 姨妈神器 on September 18, 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.*