# WTFatLite vs Motion check

The clearest difference is update cadence: Motion check at every 2 weeks against WTFatLite's every 3 months. On price, ads, in-app purchases and monetization model there is nothing between them.

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

WTFatLite ships an update every 3 months, Motion check every 2 weeks. The most recent releases landed on October 4, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | WTFatLite | Motion check |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.3 (4 ratings)](https://appshunter.io/ios/app/motion-check-display-delayed/id1628800783/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Monetization | Ad-supported | Ad-supported |
| Size | 6 MB | 18 MB |
| Requires iOS | 14.0 | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [F-NET Apps](https://appshunter.io/developer/537078708) | [kazuhiro aonuma](https://appshunter.io/developer/839973346) |

## What reviewers say

### WTFatLite

[App page](https://appshunter.io/ios/app/wtfatlite-with-physics-engine/id596265268)

Record your body weight and fat percentage with an engaging, physics-based interface. Visualize your progress over time with interactive graphs. Offers a fun alternative to traditional health tracking apps.

**Highlights:** Physics engine for interactive recording, Keyboard-free data entry, Weight and fat percentage tracking, Interactive data graphs, Data reset options

**Features:** macOS Compatibility

**In-app purchases:** none


### Motion check

[App page](https://appshunter.io/ios/app/motion-check-display-delayed/id1628800783)

This app allows you to view a delayed version of your live camera feed, useful for self-assessment or checking your appearance. You can customize the delay time and even apply a cartoon-like filter to the video.

**Highlights:** Delayed video playback, Adjustable delay time, Profile and full-body checks, Cartoon-like image conversion, Instant video viewing without recording

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is WTFatLite free?

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

### Is Motion check free?

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

### Do WTFatLite or Motion check have ads?

Both WTFatLite and Motion check show ads.

### Which is updated more often, WTFatLite or Motion check?

WTFatLite ships an update every 3 months, and Motion check every 2 weeks. Most recently, WTFatLite was updated on October 4, 2026 and Motion check on October 2, 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.*