# WTFatLite vs kawaiiWeightManagement

The clearest difference is update cadence: WTFatLite at every 3 months against kawaiiWeightManagement's every 23 months. kawaiiWeightManagement's advantage is iOS requirement (12.0 vs 14.0). On price, ads, 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.

WTFatLite ships an update every 3 months, kawaiiWeightManagement every 23 months. The most recent releases landed on September 20, 2026 and May 17, 2026 respectively.

## The numbers

| Metric | WTFatLite | kawaiiWeightManagement |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 3 months** | Every 23 months |
| Size | 6 MB | 64 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [F-NET Apps](https://appshunter.io/developer/537078708) | [NORIHIKO HAYASAKA](https://appshunter.io/developer/512237338) |

## What reviewers say

### WTFatLite

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

**Features:** macOS Compatibility

**In-app purchases:** none


### kawaiiWeightManagement

[App page](https://appshunter.io/ios/app/kawaiiweightmanagement/id1498364906)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is WTFatLite free?

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

### Is kawaiiWeightManagement free?

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

### Do WTFatLite or kawaiiWeightManagement have ads?

Both WTFatLite and kawaiiWeightManagement show ads.

### Which is updated more often, WTFatLite or kawaiiWeightManagement?

WTFatLite ships an update every 3 months, and kawaiiWeightManagement every 23 months. Most recently, WTFatLite was updated on September 20, 2026 and kawaiiWeightManagement on May 17, 2026.

---

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