# Zero Fatty vs Diet World | دايت ورلد

The clearest difference is rating: Diet World | دايت ورلد at 4.7 against Zero Fatty's 1.0. Diet World | دايت ورلد also leads on ratings volume (69 vs 3) and review sentiment (9% vs 0%). Zero Fatty's advantage is update cadence (every 2 weeks vs every 2 months). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Diet World | دايت ورلد holds the better App Store score, 4.7 against 1.0. That said, the two scores are not equally well evidenced: Diet World | دايت ورلد has 69 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 0% of Zero Fatty's written reviews are positive against 9% of Diet World | دايت ورلد's.

Zero Fatty ships an update every 2 weeks, Diet World | دايت ورلد every 2 months. The most recent releases landed on July 19, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Zero Fatty | Diet World | دايت ورلد |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (3 ratings)](https://appshunter.io/ios/app/zero-fatty/id1612969613/reviews) | **[4.7 (69 ratings)](https://appshunter.io/ios/app/diet-world/id6503043068/reviews)** |
| Number of ratings | 3 | **69** |
| Positive reviews | 0.0% of reviews | **9.1% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Monetization | Free | Free |
| Size | 101 MB | 101 MB |
| Requires iOS | 16.6 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Golyv LLC](https://appshunter.io/developer/1743465810) | [TECHRAR SOLUTIONS COMPANY](https://appshunter.io/developer/1633266754) |

## What reviewers say

### Zero Fatty

[App page](https://appshunter.io/ios/app/zero-fatty/id1612969613)

This app helps users manage their weight and health by offering flexible subscription plans. It integrates with HealthKit to track steps and calories, enabling users to earn rewards and improve their lifestyle.

**Highlights:** Weight management, Health tracking, Flexible subscriptions, HealthKit integration, Calorie tracking, Step tracking

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

**In-app purchases:** none


### Diet World | دايت ورلد

[App page](https://appshunter.io/ios/app/diet-world/id6503043068)

This app offers personalized diet and meal plans to help users achieve health goals like weight loss, improved performance, or diabetes management. It provides custom plans, calorie tracking, and a wide variety of food options to support healthy habits.

**Highlights:** Personalized diet plans, Keto, Champion, Lifestyle, Diabetes, School plans, Calorie & Macro Tracking, Endless food variety, Flexible pause feature, Progress tracking dashboards

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Zero Fatty free?

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

### Is Diet World | دايت ورلد free?

Diet World | دايت ورلد is free to download, with no in-app purchases.

### Which has better reviews, Zero Fatty or Diet World | دايت ورلد?

Diet World | دايت ورلد is rated higher. Zero Fatty averages 1.0 out of 5 from 3 ratings, while Diet World | دايت ورلد averages 4.7 from 69 ratings.

### Do Zero Fatty or Diet World | دايت ورلد have ads?

Neither Zero Fatty nor Diet World | دايت ورلد shows ads.

### Which is updated more often, Zero Fatty or Diet World | دايت ورلد?

Zero Fatty ships an update every 2 weeks, and Diet World | دايت ورلد every 2 months. Most recently, Zero Fatty was updated on July 19, 2026 and Diet World | دايت ورلد on September 18, 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.*