# ダイエットン vs Null Moments

The clearest difference is in-app purchases: Null Moments at none against ダイエットン's 1. Null Moments also leads on update cadence (every 4 days vs every 3 weeks). ダイエットン's advantage is iOS requirement (13.0 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. ダイエットン sells 1 one-off in-app purchase. Null Moments asks for nothing beyond the download.

ダイエットン ships an update every 3 weeks, Null Moments every 4 days. The most recent releases landed on November 3, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | ダイエットン | Null Moments |
| --- | --- | --- |
| 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 | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 4 days** |
| Monetization | Free with in-app purchases | — |
| Size | 81 MB | 0 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 9+ | 4+ |
| Developer | [NAKASHIN, K.K.](https://appshunter.io/developer/1554813140) | [Seungui Moon](https://appshunter.io/developer/1699952332) |

## 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 |


### Null Moments

[App page](https://appshunter.io/ios/app/null-moments/id6744889480)

**Features:** macOS Compatibility

**In-app purchases:** none


## 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 Null Moments free?

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

### Do ダイエットン or Null Moments have ads?

Neither ダイエットン nor Null Moments shows ads.

### Which is updated more often, ダイエットン or Null Moments?

ダイエットン ships an update every 3 weeks, and Null Moments every 4 days. Most recently, ダイエットン was updated on November 3, 2026 and Null Moments on November 8, 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.*