# 知るだけダイエット!?「あぶらみくんのカロリー暗算」 vs Motionary

The clearest difference is ads: 知るだけダイエット!?「あぶらみくんのカロリー暗算」 at none against Motionary's shown. 知るだけダイエット!?「あぶらみくんのカロリー暗算」 also leads on iOS requirement (8.0 vs 15.6). Motionary's advantage is update cadence (every 10 days vs every 30 months). On price, in-app purchases and device support there is nothing between them.

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

知るだけダイエット!?「あぶらみくんのカロリー暗算」 ships an update every 30 months, Motionary every 10 days. The most recent releases landed on October 5, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | 知るだけダイエット!?「あぶらみくんのカロリー暗算」 | Motionary |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 30 months | **Every 10 days** |
| Size | 8 MB | 284 MB |
| Requires iOS | **8.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ANDG CO., LTD.](https://appshunter.io/developer/514516056) | [Yudai Fukuda](https://appshunter.io/developer/1434814836) |

## What reviewers say

### 知るだけダイエット!?「あぶらみくんのカロリー暗算」

[App page](https://appshunter.io/ios/app/id541445049)

**Features:** macOS Compatibility

**In-app purchases:** none


### Motionary

[App page](https://appshunter.io/ios/app/motionary/id6795010048)

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

**In-app purchases:** none


## Frequently asked questions

### Is 知るだけダイエット!?「あぶらみくんのカロリー暗算」 free?

知るだけダイエット!?「あぶらみくんのカロリー暗算」 is free to download, with no in-app purchases.

### Is Motionary free?

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

### Do 知るだけダイエット!?「あぶらみくんのカロリー暗算」 or Motionary have ads?

Motionary shows ads; 知るだけダイエット!?「あぶらみくんのカロリー暗算」 does not.

### Which is updated more often, 知るだけダイエット!?「あぶらみくんのカロリー暗算」 or Motionary?

知るだけダイエット!?「あぶらみくんのカロリー暗算」 ships an update every 30 months, and Motionary every 10 days. Most recently, 知るだけダイエット!?「あぶらみくんのカロリー暗算」 was updated on October 5, 2026 and Motionary on October 18, 2026.

---

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