# Stark Gym Ball vs Stability Ball Workout Guide

The clearest difference is review sentiment: Stark Gym Ball at 80% against Stability Ball Workout Guide's 0%. Stark Gym Ball also leads on rating (4.6 vs 2.0) and in-app purchases (none vs 8). Stability Ball Workout Guide's advantage is price (Free vs $4.99) and iOS requirement (13.0 vs 15.1). On device support there is nothing between them.

Stability Ball Workout Guide is free to download; Stark Gym Ball costs $4.99 up front. Stability Ball Workout Guide sells 8 one-off in-app purchases. Stark Gym Ball asks for nothing beyond the download.

Stark Gym Ball holds the better App Store score, 4.6 against 2.0. That said, the two scores are not equally well evidenced: Stark Gym Ball has 57 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 80% of Stark Gym Ball's written reviews are positive against 0% of Stability Ball Workout Guide's.

Stark Gym Ball ships an update every 2 months, Stability Ball Workout Guide every 52 months. The most recent releases landed on November 10, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Stark Gym Ball | Stability Ball Workout Guide |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[4.6 (57 ratings)](https://appshunter.io/ios/app/stark-gym-ball/id649807964/reviews)** | [2.0 (1 ratings)](https://appshunter.io/ios/app/stability-ball-workout-guide/id1510700368/reviews) |
| Number of ratings | **57** | 1 |
| Positive reviews | **80.5% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 months** | Every 52 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 57 MB | 29 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Postra AB](https://appshunter.io/developer/1807937957) | [Samantha Roobol](https://appshunter.io/developer/1415281405) |

## What reviewers say

### Stark Gym Ball

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

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


### Stability Ball Workout Guide

[App page](https://appshunter.io/ios/app/stability-ball-workout-guide/id1510700368)

This app guides users through exercises using a stability ball to improve balance and core strength. It offers a variety of simple, easy-to-follow routines suitable for beginners and advanced users looking to add a new challenge to their fitness regimen.

**Highlights:** Stability ball exercises, Improve balance and core strength, Suitable for beginners, Challenging for advanced users, Easy-to-follow routines, Strengthen and stretch body

**Features:** macOS Compatibility

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads | $0.99 | one-time |
| Full Body Workout Plan | $1.99 | one-time |
| Exercises for beginners | $1.99 | one-time |
| Abs Workout Plan | $1.99 | one-time |
| Butt, Thighs and Legs | $1.99 | one-time |
| Lower Back Pain Relief | $1.99 | one-time |
| 60 Day Challenge | $1.99 | one-time |
| Full Bundle | $4.99 | one-time |


## Frequently asked questions

### Is Stark Gym Ball free?

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

### Is Stability Ball Workout Guide free?

Stability Ball Workout Guide is free to download, with in-app purchases available.

### Which has better reviews, Stark Gym Ball or Stability Ball Workout Guide?

Stark Gym Ball is rated higher. Stark Gym Ball averages 4.6 out of 5 from 57 ratings, while Stability Ball Workout Guide averages 2.0 from 1 ratings.

### Do Stark Gym Ball or Stability Ball Workout Guide have ads?

Stability Ball Workout Guide shows ads; Stark Gym Ball does not.

### Which is updated more often, Stark Gym Ball or Stability Ball Workout Guide?

Stark Gym Ball ships an update every 2 months, and Stability Ball Workout Guide every 52 months. Most recently, Stark Gym Ball was updated on November 10, 2026 and Stability Ball Workout Guide on November 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.*