# 生理・PMSの共有アプリ ケアミー vs PairCare Shared Period Tracker

生理・PMSの共有アプリ ケアミー and PairCare Shared Period Tracker both sit at 4.7 stars, but that hides the real split: 74% of 生理・PMSの共有アプリ ケアミー's written reviews are positive against 18% of PairCare Shared Period Tracker's. 生理・PMSの共有アプリ ケアミー also leads on ads (none vs shown) and ratings volume (103 vs 13). On price, rating, in-app purchases and monetization model 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 and PairCare Shared Period Tracker sells 10 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.7 for 生理・PMSの共有アプリ ケアミー against 4.7 for PairCare Shared Period Tracker. That said, the two scores are not equally well evidenced: 生理・PMSの共有アプリ ケアミー has 103 ratings behind it against 13, so its average is the more settled of the two. Written reviews are what separate them: 74% of 生理・PMSの共有アプリ ケアミー's written reviews are positive against 18% of PairCare Shared Period Tracker's.

生理・PMSの共有アプリ ケアミー ships an update weekly, PairCare Shared Period Tracker fortnightly. Both last shipped on October 17, 2026.

## The numbers

| Metric | 生理・PMSの共有アプリ ケアミー | PairCare Shared Period Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (103 ratings)](https://appshunter.io/ios/app/pms/id1505033077/reviews) | [4.7 (13 ratings)](https://appshunter.io/ios/app/paircare-shared-period-tracker/id6502973731/reviews) |
| Number of ratings | **103** | 13 |
| Positive reviews | **73.8% of reviews** | 18.2% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Weekly** | Fortnightly |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 91 MB | 115 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Health & Rights](https://appshunter.io/developer/1428625368) | [Entale, Inc.](https://appshunter.io/developer/1669849195) |

## What reviewers say

### 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 |


### PairCare Shared Period Tracker

[App page](https://appshunter.io/ios/app/paircare-shared-period-tracker/id6502973731)

This app helps users track their menstrual cycles, predict ovulation, and share health insights with a partner. It offers personalized advice and self-care tips based on cycle phases, supporting users through fertility, conception, and pregnancy.

**Highlights:** AI-powered cycle and ovulation predictions, Personalized reminders for cycle phases, Shared health insights with partners, TTC and pregnancy tracking modes, Daily advice and self-care tips, Symptom and mood logging, Cycle trend analysis

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pill Plan 1-Mo Sub | $5.99 | per month |
| PairCare Prem 1-Mo Sub | $9.99 | per month |
| Pill Plan 6-Mo Sub | $17.99 | per 6 months |
| PairCare Prem 3-Mo Sub | $19.99 | per 3 months |
| PairCare Prem 3-Mo Sub (1 Mo Free) | $19.99 | per 3 months |
| Pill Plan 12-Mo Sub | $23.99 | per year |
| PairCare Prem 12-Mo Sub | $27.99 | per year |
| PairCare Prem 12-Mo Sub (1 Mo Free) | $27.99 | per year |
| PairCare Prem 12-Mo Sub (1 Mo Free) | $39.99 | per year |
| PairCare Prem 12-Mo Sub | $39.99 | per year |


## Frequently asked questions

### 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.

### Is PairCare Shared Period Tracker free?

PairCare Shared Period Tracker is free to download, with in-app purchases available.

### Which has better reviews, 生理・PMSの共有アプリ ケアミー or PairCare Shared Period Tracker?

生理・PMSの共有アプリ ケアミー and PairCare Shared Period Tracker are both rated 4.7 out of 5 on the App Store, from 103 and 13 ratings respectively.

### Do 生理・PMSの共有アプリ ケアミー or PairCare Shared Period Tracker have ads?

PairCare Shared Period Tracker shows ads; 生理・PMSの共有アプリ ケアミー does not.

### Which is updated more often, 生理・PMSの共有アプリ ケアミー or PairCare Shared Period Tracker?

生理・PMSの共有アプリ ケアミー ships an update weekly, and PairCare Shared Period Tracker fortnightly. Most recently, 生理・PMSの共有アプリ ケアミー was updated on October 17, 2026 and PairCare Shared Period Tracker on October 17, 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.*