# KsBASE vs 生理管理アプリ 4MOON

The clearest difference is in-app purchases: KsBASE at none against 生理管理アプリ 4MOON's 10. KsBASE also leads on ads (none vs shown) and iOS requirement (12.0 vs 15.4). 生理管理アプリ 4MOON's advantage is update cadence (monthly vs every 62 months). On price 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. KsBASE asks for nothing beyond the download.

KsBASE ships an update every 62 months, 生理管理アプリ 4MOON monthly. The most recent releases landed on September 23, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | KsBASE | 生理管理アプリ 4MOON |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (10 ratings)](https://appshunter.io/ios/app/4moon/id1565472349/reviews)** |
| Number of ratings | — | **10** |
| Positive reviews | — | 70.6% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 62 months | **Monthly** |
| Monetization | — | Free with in-app purchases |
| Size | 17 MB | 112 MB |
| Requires iOS | **12.0** | 15.4 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [KENTA SUGIYAMA](https://appshunter.io/developer/1498193499) | [4MEEE INC.](https://appshunter.io/developer/956135781) |

## What reviewers say

### KsBASE

[App page](https://appshunter.io/ios/app/ksbase/id1498193500)

**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 KsBASE free?

KsBASE 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.

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

生理管理アプリ 4MOON shows ads; KsBASE does not.

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

KsBASE ships an update every 62 months, and 生理管理アプリ 4MOON monthly. Most recently, KsBASE was updated on September 23, 2026 and 生理管理アプリ 4MOON on September 9, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*