# リズム手帳 ｰ生理日管理～妊活まで vs 生理管理アプリ 4MOON

The clearest difference is ratings volume: リズム手帳 ｰ生理日管理～妊活まで at 96 against 生理管理アプリ 4MOON's 10. On price, rating, review sentiment and update cadence there is nothing between them.

Both are free to download. リズム手帳 ｰ生理日管理～妊活まで sells 12 in-app purchases, starting at $1.99 per month and 生理管理アプリ 4MOON sells 10 in-app purchases, starting at $1.99 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 リズム手帳 ｰ生理日管理～妊活まで against 4.8 for 生理管理アプリ 4MOON. That said, the two scores are not equally well evidenced: リズム手帳 ｰ生理日管理～妊活まで has 96 ratings behind it against 10, so its average is the more settled of the two. Written reviews are what separate them: 76% of リズム手帳 ｰ生理日管理～妊活まで's written reviews are positive against 71% of 生理管理アプリ 4MOON's.

リズム手帳 ｰ生理日管理～妊活まで ships an update every 2 months, 生理管理アプリ 4MOON monthly. The most recent releases landed on September 22, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | リズム手帳 ｰ生理日管理～妊活まで | 生理管理アプリ 4MOON |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (96 ratings)](https://appshunter.io/ios/app/id575109564/reviews) | **[4.8 (10 ratings)](https://appshunter.io/ios/app/4moon/id1565472349/reviews)** |
| Number of ratings | **96** | 10 |
| Positive reviews | **76.1% of reviews** | 70.6% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Freemium | Free with in-app purchases |
| Size | 54 MB | 112 MB |
| Requires iOS | **15.0** | 15.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 12+ |
| Developer | [Nihon Enterprise Co.,Ltd.](https://appshunter.io/developer/347285057) | [4MEEE INC.](https://appshunter.io/developer/956135781) |

## What reviewers say

### リズム手帳 ｰ生理日管理～妊活まで

[App page](https://appshunter.io/ios/app/id575109564)

Track your menstrual cycle, predict fertile days, and monitor your health. Offers pregnancy support, weight and basal body temperature tracking, and body fat percentage recording. Includes data backup and password protection for privacy.

**Highlights:** Period prediction, Fertility tracking, Pregnancy support, Basal body temperature recording, Weight and body fat tracking, Data backup, Password lock

**Features:** Vision Pro support

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ベーシックプラン400 | $1.99 | per month |
| ベーシックコース30 | $1.99 | per month |
| ベーシックコース30(旧) | $2.99 | per month |
| ベーシックプラン360 | $3.49 | per month |
| Delete Ad | $0.99 | one-time |
| アイコン「ふんわり体調管理2」 | $1.99 | one-time |
| アイコン「スケジュール（ひよこ）」 | $1.99 | one-time |
| アイコン「スケジュール（いぬ）」 | $1.99 | one-time |
| アイコン「ふんわり予定」 | $1.99 | one-time |
| アイコン「女子Ⅱ」 | $1.99 | one-time |
| アイコン「シンプルバッジ」 | $1.99 | one-time |
| アイコン「カラー」 | $1.99 | one-time |


### 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 リズム手帳 ｰ生理日管理～妊活まで free?

リズム手帳 ｰ生理日管理～妊活まで is free to download, with in-app purchases available.

### 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, リズム手帳 ｰ生理日管理～妊活まで or 生理管理アプリ 4MOON?

生理管理アプリ 4MOON is rated higher. リズム手帳 ｰ生理日管理～妊活まで averages 4.7 out of 5 from 96 ratings, while 生理管理アプリ 4MOON averages 4.8 from 10 ratings.

### Do リズム手帳 ｰ生理日管理～妊活まで or 生理管理アプリ 4MOON have ads?

Both リズム手帳 ｰ生理日管理～妊活まで and 生理管理アプリ 4MOON show ads.

### Which is updated more often, リズム手帳 ｰ生理日管理～妊活まで or 生理管理アプリ 4MOON?

リズム手帳 ｰ生理日管理～妊活まで ships an update every 2 months, and 生理管理アプリ 4MOON monthly. Most recently, リズム手帳 ｰ生理日管理～妊活まで was updated on September 22, 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.*