# K vs 動画比較アプリ MotionCompare

The clearest difference is ads: K at none against 動画比較アプリ MotionCompare's shown. 動画比較アプリ MotionCompare's advantage is update cadence (daily vs every 5 months) and iOS requirement (12.0 vs 14.0). 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.

K ships an update every 5 months, 動画比較アプリ MotionCompare daily. The most recent releases landed on May 16, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | K | 動画比較アプリ MotionCompare |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 5 months | **Daily** |
| Size | 1 MB | 34 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [SHIGERU OKADA](https://appshunter.io/developer/478571276) | [Yudai Fukuda](https://appshunter.io/developer/1434814836) |

## What reviewers say

### K

[App page](https://appshunter.io/ios/app/k-kalc/id1557032391)

**Features:** macOS Compatibility

**In-app purchases:** none


### 動画比較アプリ MotionCompare

[App page](https://appshunter.io/ios/app/motioncompare/id6737840758)

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

**In-app purchases:** none


## Frequently asked questions

### Is K free?

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

### Is 動画比較アプリ MotionCompare free?

動画比較アプリ MotionCompare is free to download, with no in-app purchases.

### Do K or 動画比較アプリ MotionCompare have ads?

動画比較アプリ MotionCompare shows ads; K does not.

### Which is updated more often, K or 動画比較アプリ MotionCompare?

K ships an update every 5 months, and 動画比較アプリ MotionCompare daily. Most recently, K was updated on May 16, 2026 and 動画比較アプリ MotionCompare on September 22, 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.*