# WTFatLite vs Weight Register Plus

The clearest difference is in-app purchases: WTFatLite at none against Weight Register Plus's 1. Weight Register Plus's advantage is ads (none vs shown) and iOS requirement (8.0 vs 14.0). On price, update cadence and device support there is nothing between them.

Both are free to download. Weight Register Plus sells 1 one-off in-app purchase. WTFatLite asks for nothing beyond the download.

WTFatLite ships an update every 3 months, Weight Register Plus every 5 months. The most recent releases landed on September 20, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | WTFatLite | Weight Register Plus |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 3 months** | Every 5 months |
| Size | 6 MB | 8 MB |
| Requires iOS | 14.0 | **8.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [F-NET Apps](https://appshunter.io/developer/537078708) | [Airwire products.](https://appshunter.io/developer/471910489) |

## What reviewers say

### WTFatLite

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Weight Register Plus

[App page](https://appshunter.io/ios/app/weight-register-plus/id1168529776)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Body Fat Percentage + Remove Ads | $0.99 | one-time |


## Frequently asked questions

### Is WTFatLite free?

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

### Is Weight Register Plus free?

Weight Register Plus is free to download, with in-app purchases available.

### Do WTFatLite or Weight Register Plus have ads?

WTFatLite shows ads; Weight Register Plus does not.

### Which is updated more often, WTFatLite or Weight Register Plus?

WTFatLite ships an update every 3 months, and Weight Register Plus every 5 months. Most recently, WTFatLite was updated on September 20, 2026 and Weight Register Plus on September 26, 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.*