# Fast vs Weight Log Diet Calorie Track

The clearest difference is price: Fast at Free against Weight Log Diet Calorie Track's $1.99. Weight Log Diet Calorie Track's advantage is iOS requirement (13.0 vs 15.1). On update cadence, ads, in-app purchases and device support there is nothing between them.

Fast is free to download; Weight Log Diet Calorie Track costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Fast ships an update every 2 months, Weight Log Diet Calorie Track monthly. The most recent releases landed on November 5, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | Fast | Weight Log Diet Calorie Track |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Size | 43 MB | 26 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Borche Davchev](https://appshunter.io/developer/1894036390) | [Xiamen City Fanyou Network Technology Co., Ltd.](https://appshunter.io/developer/1842524161) |

## What reviewers say

### Fast

[App page](https://appshunter.io/ios/app/fastprotocol/id6762401177)

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

**In-app purchases:** none


### Weight Log Diet Calorie Track

[App page](https://appshunter.io/ios/app/weight-log-diet-calorie-track/id6768481777)

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

**In-app purchases:** none


## Frequently asked questions

### Is Fast free?

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

### Is Weight Log Diet Calorie Track free?

Weight Log Diet Calorie Track costs $1.99, with no in-app purchases.

### Do Fast or Weight Log Diet Calorie Track have ads?

Neither Fast nor Weight Log Diet Calorie Track shows ads.

### Which is updated more often, Fast or Weight Log Diet Calorie Track?

Fast ships an update every 2 months, and Weight Log Diet Calorie Track monthly. Most recently, Fast was updated on November 5, 2026 and Weight Log Diet Calorie Track on November 9, 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.*