# Grace Care vs 生理管理アプリ 4MOON

The clearest difference is review sentiment: 生理管理アプリ 4MOON at 71% against Grace Care's 22%. 生理管理アプリ 4MOON also leads on rating (4.8 vs 4.5) and update cadence (monthly vs every 3 months). Grace Care's advantage is in-app purchases (none vs 10) and ratings volume (70 vs 10). On price, ads, monetization model and device support there is nothing between them.

Both are free to download. 生理管理アプリ 4MOON sells 10 in-app purchases, starting at $1.99 per month. Grace Care asks for nothing beyond the download.

生理管理アプリ 4MOON holds the better App Store score, 4.8 against 4.5. That said, the two scores are not equally well evidenced: Grace Care has 70 ratings behind it against 10, so its average is the more settled of the two. Written reviews point the same way: 22% of Grace Care's written reviews are positive against 71% of 生理管理アプリ 4MOON's.

Grace Care ships an update every 3 months, 生理管理アプリ 4MOON monthly. The most recent releases landed on July 17, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Grace Care | 生理管理アプリ 4MOON |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (70 ratings)](https://appshunter.io/ios/app/grace-care/id1324884563/reviews) | **[4.8 (10 ratings)](https://appshunter.io/ios/app/4moon/id1565472349/reviews)** |
| Number of ratings | **70** | 10 |
| Positive reviews | 22.0% of reviews | **70.6% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 33 MB | 112 MB |
| Requires iOS | 15.4 | 15.4 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 12+ |
| Developer | [Eggs Co., Ltd.](https://appshunter.io/developer/1591189206) | [4MEEE INC.](https://appshunter.io/developer/956135781) |

## What reviewers say

### Grace Care

[App page](https://appshunter.io/ios/app/grace-care/id1324884563)

This app offers doctor-supervised femtech support for women's health. It provides accurate predictions for ovulation and menstruation, even for irregular cycles, and offers personalized advice based on user data. It also includes features for ovarian age assessment and access to expert consultations and clinic partnerships.

**Highlights:** Doctor-supervised femtech support, Accurate ovulation and period prediction, Personalized expert advice, Ovarian age and egg count prediction, Q&A with supervising doctor, Fertility and health information articles, Partnerships with fertility clinics

**In-app purchases:** none


### 生理管理アプリ 4MOON

[App page](https://appshunter.io/ios/app/4moon/id1565472349)

This app helps women track their menstrual cycles, predict periods and ovulation, and manage overall health. It offers features for fertility tracking, pregnancy support, diet management, and symptom logging, with optional online medical consultations.

**Highlights:** Menstrual and ovulation prediction, Fertility tracking and pregnancy support, Diet and weight management, Health symptom logging, Calendar for schedule and health tracking, Integration with Apple Health, Online medical consultations

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 広告非表示プラン | $1.99 | per month |
| 記録分析プラン | $1.99 | per month |
| 食事管理forソラレピ_１ヶ月 | $1.99 | per month |
| パートナー共有プラン | $1.99 | per month |
| 医療相談プラン | $3.49 | per month |
| 広告非表示プラン | $9.99 | per year |
| 食事管理forソラレピ_6ヶ月 | $11.99 | per 6 months |
| 記録分析プラン | $14.99 | per year |
| きろくまハートテーマカラー | $1.99 | one-time |
| きろくまテーマカラー | $1.99 | one-time |


## Frequently asked questions

### Is Grace Care free?

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

### Is 生理管理アプリ 4MOON free?

生理管理アプリ 4MOON is free to download, with in-app purchases available.

### Which has better reviews, Grace Care or 生理管理アプリ 4MOON?

生理管理アプリ 4MOON is rated higher. Grace Care averages 4.5 out of 5 from 70 ratings, while 生理管理アプリ 4MOON averages 4.8 from 10 ratings.

### Do Grace Care or 生理管理アプリ 4MOON have ads?

Both Grace Care and 生理管理アプリ 4MOON show ads.

### Which is updated more often, Grace Care or 生理管理アプリ 4MOON?

Grace Care ships an update every 3 months, and 生理管理アプリ 4MOON monthly. Most recently, Grace Care was updated on July 17, 2026 and 生理管理アプリ 4MOON on September 9, 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.*