# Fat vs bd'yet

The clearest difference is iOS requirement: Fat at 10.2 against bd'yet's 15.0. On price, review sentiment, update cadence and ads there is nothing between them.

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

Fat ships an update every 7 months, bd'yet every 6 months. The most recent releases landed on August 18, 2026 and June 3, 2026 respectively.

## The numbers

| Metric | Fat | bd'yet |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (2 ratings)](https://appshunter.io/ios/app/fat-burning/id1317584722/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 6 months** |
| Monetization | Free | Free |
| Size | 18 MB | 43 MB |
| Requires iOS | **10.2** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [MAKOTO SASAKI](https://appshunter.io/developer/908850577) | [BEGUM DEFNE SAFAK](https://appshunter.io/developer/1493523355) |

## What reviewers say

### Fat

[App page](https://appshunter.io/ios/app/fat-burning/id1317584722)

This app helps manage your health by tracking physical activity and nutrition. It monitors calorie burn, displays activity history, and allows manual input of various health metrics.

**Highlights:** Calorie combustion monitoring, Basal metabolism tracking, Activity calendar (3 months), Nutrition and body measurement logging, Calorie balance management

**In-app purchases:** none


### bd'yet

[App page](https://appshunter.io/ios/app/bdyet/id1493523356)

Calculate your BMI, ideal weight, and other health metrics. Access healthy recipes and informative blog posts. If you're a member, track your progress, receive personalized feedback, and connect with your dietitian.

**Highlights:** BMI calculator, Ideal weight calculation, Body fat percentage estimation, Healthy recipes, Scientific blog posts, Progress tracking, Dietitian consultation

**In-app purchases:** none


## Frequently asked questions

### Is Fat free?

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

### Is bd'yet free?

bd'yet is free to download, with no in-app purchases.

### Do Fat or bd'yet have ads?

Neither Fat nor bd'yet shows ads.

### Which is updated more often, Fat or bd'yet?

Fat ships an update every 7 months, and bd'yet every 6 months. Most recently, Fat was updated on August 18, 2026 and bd'yet on June 3, 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.*