# 陣痛タイマー by ぴよログ vs 生理・PMSの共有アプリ ケアミー

The clearest difference is in-app purchases: 陣痛タイマー by ぴよログ at none against 生理・PMSの共有アプリ ケアミー's 10. 陣痛タイマー by ぴよログ also leads on review sentiment (84% vs 74%). 生理・PMSの共有アプリ ケアミー's advantage is update cadence (weekly vs every 3 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 生理・PMSの共有アプリ ケアミー sells 10 in-app purchases, starting at $2.99 per month. 陣痛タイマー by ぴよログ asks for nothing beyond the download.

陣痛タイマー by ぴよログ ships an update every 3 weeks, 生理・PMSの共有アプリ ケアミー weekly. The most recent releases landed on September 22, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | 陣痛タイマー by ぴよログ | 生理・PMSの共有アプリ ケアミー |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (103 ratings)](https://appshunter.io/ios/app/pms/id1505033077/reviews)** |
| Number of ratings | — | **103** |
| Positive reviews | **84.0% of reviews** | 73.8% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 21 MB | 91 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [PiyoLog Inc.](https://appshunter.io/developer/440099912) | [Health & Rights](https://appshunter.io/developer/1428625368) |

## What reviewers say

### 陣痛タイマー by ぴよログ

[App page](https://appshunter.io/ios/app/by/id1486291787)

This app helps expectant mothers easily track labor contractions by simply tapping buttons. It records duration and intervals, allowing for seamless sharing of real-time updates with partners and family. Prepare for childbirth with this user-friendly tool.

**Highlights:** Contraction timer and interval counter, One-tap recording of contractions, Real-time sharing with family, Push notifications for contraction start, History log with editing capabilities, Easy-to-understand interface

**In-app purchases:** none


### 生理・PMSの共有アプリ ケアミー

[App page](https://appshunter.io/ios/app/pms/id1505033077)

This app helps users share menstrual cycle information, including predicted dates, symptoms, and fertile periods, with their partners via LINE. It offers an ad-free experience and includes expert-reviewed knowledge to foster understanding.

**Highlights:** Share menstrual cycle and PMS with partner via LINE, Ad-free experience, Partner can view shared calendar, Automatic notifications for body/mind changes, Expert-reviewed basic knowledge on periods and PMS, Predicts PMS and fertile periods, Record symptoms and track cycles

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ケアミープレミアム（毎月更新） | $2.99 | per month |
| ケアミープレミアム | $2.99 | per month |
| ケアミープレミアム | $3.49 | per month |
| ケアミープレミアム | $3.49 | per month |
| ケアミープレミアム（6ヶ月毎更新） | $14.99 | per 6 months |
| ケアミープレミアム | $14.99 | per 6 months |
| ケアミープレミアム | $18.99 | per 6 months |
| ケアミープレミアム（毎年更新） | $22.99 | per year |
| ケアミープレミアム | $22.99 | per year |
| ケアミープレミアム | $32.99 | per year |


## Frequently asked questions

### Is 陣痛タイマー by ぴよログ free?

陣痛タイマー by ぴよログ is free to download, with no in-app purchases.

### Is 生理・PMSの共有アプリ ケアミー free?

生理・PMSの共有アプリ ケアミー is free to download, with in-app purchases available.

### Do 陣痛タイマー by ぴよログ or 生理・PMSの共有アプリ ケアミー have ads?

Neither 陣痛タイマー by ぴよログ nor 生理・PMSの共有アプリ ケアミー shows ads.

### Which is updated more often, 陣痛タイマー by ぴよログ or 生理・PMSの共有アプリ ケアミー?

陣痛タイマー by ぴよログ ships an update every 3 weeks, and 生理・PMSの共有アプリ ケアミー weekly. Most recently, 陣痛タイマー by ぴよログ was updated on September 22, 2026 and 生理・PMSの共有アプリ ケアミー on September 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.*