# WTFat vs Temperature Weight record

The clearest difference is price: Temperature Weight record at Free against WTFat's $1.99. WTFat's advantage is ads (none vs shown) and iOS requirement (14.0 vs 18.6). On update cadence, in-app purchases and device support there is nothing between them.

Temperature Weight record is free to download; WTFat costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

WTFat ships an update every 4 months, Temperature Weight record every 3 months. The most recent releases landed on May 16, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | WTFat | Temperature Weight record |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Every 3 months** |
| Size | 5 MB | 5 MB |
| Requires iOS | **14.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [yukihiro fujita](https://appshunter.io/developer/537078708) | [YUTAKA IZUMIYAMA](https://appshunter.io/developer/1657248429) |

## What reviewers say

### WTFat

[App page](https://appshunter.io/ios/app/wtfat-with-physics-engine/id596216671)

**Features:** macOS Compatibility

**In-app purchases:** none


### Temperature Weight record

[App page](https://appshunter.io/ios/app/temperature-weight-record/id6747359709)

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

**In-app purchases:** none


## Frequently asked questions

### Is WTFat free?

WTFat costs $1.99, with no in-app purchases.

### Is Temperature Weight record free?

Temperature Weight record is free to download, with no in-app purchases.

### Do WTFat or Temperature Weight record have ads?

Temperature Weight record shows ads; WTFat does not.

### Which is updated more often, WTFat or Temperature Weight record?

WTFat ships an update every 4 months, and Temperature Weight record every 3 months. Most recently, WTFat was updated on May 16, 2026 and Temperature Weight record 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.*