# Stark Gym Ball vs SimpleFast

The clearest difference is price: SimpleFast at Free against Stark Gym Ball's $4.99. Stark Gym Ball's advantage is chart position (#126 vs unranked) and iOS requirement (15.1 vs 26.2). On ads, in-app purchases and device support there is nothing between them.

SimpleFast is free to download; Stark Gym Ball costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Stark Gym Ball | SimpleFast |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[4.6 (57 ratings)](https://appshunter.io/ios/app/stark-gym-ball/id649807964/reviews)** | — |
| Number of ratings | **57** | — |
| Positive reviews | 80.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Monetization | Free | — |
| Best chart rank | **#126** | — |
| Size | 57 MB | 6 MB |
| Requires iOS | **15.1** | 26.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Postra AB](https://appshunter.io/developer/1807937957) | [Khitdhikhun Klinsang](https://appshunter.io/developer/1891241513) |

## What reviewers say

### Stark Gym Ball

[App page](https://appshunter.io/ios/app/stark-gym-ball/id649807964)

**Currently charting:** #126 Top Paid · Health & Fitness (US App Store)

This app offers a comprehensive guide to gym ball exercises with HD video demonstrations. Users can create personalized workouts, target specific muscle groups, and follow guided routines with built-in timers for various training styles like Tabata and HIIT. It also integrates with Apple Health to track progress.

**Highlights:** 28 HD video exercises, Personalized workout creation, Full body and muscle group targeting, Step-by-step workout guidance, Tabata, HIIT, and Circuit timers, Apple Health integration

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

**In-app purchases:** none


### SimpleFast

[App page](https://appshunter.io/ios/app/simplefast-fasting-tracker/id6765591381)

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

**In-app purchases:** none


## Frequently asked questions

### Is Stark Gym Ball free?

Stark Gym Ball costs $4.99, with no in-app purchases.

### Is SimpleFast free?

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

### Do Stark Gym Ball or SimpleFast have ads?

Neither Stark Gym Ball nor SimpleFast shows ads.

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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.*