# リズム手帳 ｰ生理日管理～妊活まで vs RETRY

The clearest difference is in-app purchases: RETRY at none against リズム手帳 ｰ生理日管理～妊活まで's 12. RETRY also leads on ads (none vs shown) and update cadence (weekly vs every 2 months). リズム手帳 ｰ生理日管理～妊活まで's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 17.6). On price 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. RETRY asks for nothing beyond the download.

リズム手帳 ｰ生理日管理～妊活まで ships an update every 2 months, RETRY weekly. The most recent releases landed on October 14, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | リズム手帳 ｰ生理日管理～妊活まで | RETRY |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (96 ratings)](https://appshunter.io/ios/app/id575109564/reviews)** | — |
| Number of ratings | **96** | — |
| Positive reviews | 76.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | Freemium | — |
| Size | 54 MB | 12 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Nihon Enterprise Co.,Ltd.](https://appshunter.io/developer/347285057) | [mikyung cho](https://appshunter.io/developer/1896580059) |

## 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 |


### RETRY

[App page](https://appshunter.io/ios/app/retry/id6784875428)

**In-app purchases:** none


## 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 RETRY free?

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

### Do リズム手帳 ｰ生理日管理～妊活まで or RETRY have ads?

リズム手帳 ｰ生理日管理～妊活まで shows ads; RETRY does not.

### Which is updated more often, リズム手帳 ｰ生理日管理～妊活まで or RETRY?

リズム手帳 ｰ生理日管理～妊活まで ships an update every 2 months, and RETRY weekly. Most recently, リズム手帳 ｰ生理日管理～妊活まで was updated on October 14, 2026 and RETRY on October 4, 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.*