# つぼダイエット1.2.3 vs Mersea  メルシー

The clearest difference is ads: Mersea  メルシー at none against つぼダイエット1.2.3's shown. Mersea  メルシー also leads on update cadence (every 6 weeks vs every 34 months) and device support (3 vs 1). On price and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

つぼダイエット1.2.3 ships an update every 34 months, Mersea  メルシー every 6 weeks. The most recent releases landed on October 18, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | つぼダイエット1.2.3 | Mersea  メルシー |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 28.6% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 34 months | **Every 6 weeks** |
| Monetization | — | Free |
| Size | 6 MB | 89 MB |
| Requires iOS | 16.6 | **11.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [JK-SCIENCE CO., LTD.](https://appshunter.io/developer/493464594) | [Womens Kampo Inc.](https://appshunter.io/developer/1220678073) |

## What reviewers say

### つぼダイエット1.2.3

[App page](https://appshunter.io/ios/app/123/id610288675)

**Features:** macOS Compatibility

**In-app purchases:** none


### Mersea  メルシー

[App page](https://appshunter.io/ios/app/mersea/id1220678074)

This app offers personalized advice for creating a body more conducive to pregnancy, based on individual constitution. It provides support for the physical and emotional anxieties of those trying to conceive, with guidance on diet, exercise, sleep, and mental well-being.

**Highlights:** Personalized constitution analysis, Pregnancy-ready body advice, Diet, exercise, sleep, and mental care tips, Basal body temperature tracking, HealthKit integration for temperature data

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is つぼダイエット1.2.3 free?

つぼダイエット1.2.3 is free to download, with no in-app purchases.

### Is Mersea  メルシー free?

Mersea  メルシー is free to download, with no in-app purchases.

### Do つぼダイエット1.2.3 or Mersea  メルシー have ads?

つぼダイエット1.2.3 shows ads; Mersea  メルシー does not.

### Which is updated more often, つぼダイエット1.2.3 or Mersea  メルシー?

つぼダイエット1.2.3 ships an update every 34 months, and Mersea  メルシー every 6 weeks. Most recently, つぼダイエット1.2.3 was updated on October 18, 2026 and Mersea  メルシー on October 7, 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.*