# ダイエットン vs いまウマ

The clearest difference is update cadence: いまウマ at daily against ダイエットン's every 3 weeks. いまウマ also leads on review sentiment (100% vs 89%). ダイエットン's advantage is iOS requirement (13.0 vs 15.1). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. ダイエットン sells 1 one-off in-app purchase and いまウマ sells 4 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

ダイエットン ships an update every 3 weeks, いまウマ daily. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | ダイエットン | いまウマ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (5 ratings)](https://appshunter.io/ios/app/id1594766413/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 88.9% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Daily** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 81 MB | 49 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 9+ | 9+ |
| Developer | [NAKASHIN, K.K.](https://appshunter.io/developer/1554813140) | [MASATOSHI FUJIMOTO](https://appshunter.io/developer/1889096887) |

## What reviewers say

### ダイエットン

[App page](https://appshunter.io/ios/app/id1594766413)

This app combines weight and body fat percentage tracking with a cute piglet raising game. Achieve your goals to evolve your character, defeat calorie monsters, and build healthy habits. Share your progress with friends and stay motivated with inspirational quotes.

**Highlights:** Weight and body fat percentage tracking, Virtual piglet evolution game, Selectable goal modes (weight or body fat), Progress visualization with graphs, Daily habit tracking, Motivational quotes, Social sharing of achievements

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアム版のご購入 | $2.99 | one-time |


### いまウマ

[App page](https://appshunter.io/ios/app/ai/id6761356039)

Effortlessly track your meals with AI that automatically estimates calories and nutrients from photos. Enjoy a gamified experience with challenges, badges, and personalized feedback to make healthy eating fun and sustainable.

**Highlights:** AI photo analysis for calorie and nutrient estimation, Gamified tracking with streaks, badges, and levels, Personalized and humorous AI feedback on meals, Manual input for unlimited entries, Seasonal events and challenges, Privacy-focused with on-device data storage

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Proプラン（月額） | $2.99 | per month |
| Proプラン（年額） | $17.99 | per year |
| ストリークフリーズ | $0.49 | one-time |
| AI分析5回パック | $1.99 | one-time |


## Frequently asked questions

### Is ダイエットン free?

ダイエットン is free to download, with in-app purchases available.

### Is いまウマ free?

いまウマ is free to download, with in-app purchases available.

### Do ダイエットン or いまウマ have ads?

Neither ダイエットン nor いまウマ shows ads.

### Which is updated more often, ダイエットン or いまウマ?

ダイエットン ships an update every 3 weeks, and いまウマ daily. Most recently, ダイエットン was updated on October 27, 2026 and いまウマ on October 24, 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.*