# 姨妈来了 vs 美达

The clearest difference is ads: 美达 at none against 姨妈来了's shown. 美达 also leads on iOS requirement (9.0 vs 15.0). 姨妈来了's advantage is update cadence (every 5 weeks vs every 3 months). On price, 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.

姨妈来了 ships an update every 5 weeks, 美达 every 3 months. The most recent releases landed on October 26, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | 姨妈来了 | 美达 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (137 ratings)](https://appshunter.io/ios/app/id1476047836/reviews)** | — |
| Number of ratings | **137** | — |
| Positive reviews | 89.4% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 5 weeks** | Every 3 months |
| Monetization | Ad-supported | — |
| Size | 59 MB | 18 MB |
| Requires iOS | 15.0 | **9.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Hangzhou boniu technology co. LTD](https://appshunter.io/developer/1444969487) | [博 杨](https://appshunter.io/developer/1640395784) |

## What reviewers say

### 姨妈来了

[App page](https://appshunter.io/ios/app/id1476047836)

This app helps women track their menstrual cycles with simple, straightforward logging and calculation. It avoids overwhelming users with complex data, focusing on essential period tracking features. Designed as a user-friendly tool for managing reproductive health.

**Highlights:** Simple menstrual cycle logging, Basic period calculation, User-friendly interface, Focus on essential tracking

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

**In-app purchases:** none


### 美达

[App page](https://appshunter.io/ios/app/id6443454378)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 姨妈来了 free?

姨妈来了 is free to download, with no in-app purchases.

### Is 美达 free?

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

### Do 姨妈来了 or 美达 have ads?

姨妈来了 shows ads; 美达 does not.

### Which is updated more often, 姨妈来了 or 美达?

姨妈来了 ships an update every 5 weeks, and 美达 every 3 months. Most recently, 姨妈来了 was updated on October 26, 2026 and 美达 on October 27, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*