# Stark Bosu Ball vs Pilates Project

The clearest difference is price: Pilates Project at Free against Stark Bosu Ball's $4.99. Pilates Project also leads on rating (4.8 vs 4.4) and update cadence (monthly vs every 2 months). Stark Bosu Ball's advantage is in-app purchases (none vs 4). On ratings volume, ads, device support and iOS requirement there is nothing between them.

Pilates Project is free to download; Stark Bosu Ball costs $4.99 up front. Pilates Project sells 4 in-app purchases, starting at $34.99 per month. Stark Bosu Ball asks for nothing beyond the download.

Pilates Project holds the better App Store score, 4.8 against 4.4. Both are backed by a comparable volume of ratings — 81 and 65 respectively. Written reviews point the same way: 74% of Stark Bosu Ball's written reviews are positive against 84% of Pilates Project's.

Stark Bosu Ball ships an update every 2 months, Pilates Project monthly. The most recent releases landed on November 10, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Stark Bosu Ball | Pilates Project |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | [4.4 (81 ratings)](https://appshunter.io/ios/app/stark-bosu-ball/id649753542/reviews) | **[4.8 (65 ratings)](https://appshunter.io/ios/app/pilates-project/id1590468659/reviews)** |
| Number of ratings | **81** | 65 |
| Positive reviews | 73.9% of reviews | **84.1% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 57 MB | 68 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, Apple TV, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Postra AB](https://appshunter.io/developer/1807937957) | [My Pilates Project Pty Ltd](https://appshunter.io/developer/1590468661) |

## What reviewers say

### Stark Bosu Ball

[App page](https://appshunter.io/ios/app/stark-bosu-ball/id649753542)

Enhance your fitness journey with a comprehensive exercise guide. Access HD videos for 21 diverse workouts, create personalized routines, and track your progress with timers for Tabata, HIIT, and circuit training. Save your achievements and calories burned to Apple Health.

**Highlights:** 21 HD video exercises, Personalized workout creation, Full body workout options, Step-by-step workout guidance, Tabata, HIIT, Circuit timers, Muscle group targeting, Apple Health integration

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

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use interface
- 💡 Ability to create custom workouts
- 🎥 Clear video demonstrations
- 💪 Effective for staying in shape
- ✨ Motivates users

**What reviewers complain about**

- 💰 Overpriced for content
- 📉 Limited number of exercises
- 😴 Very basic and boring
- 🤷 No music
- 💸 Not worth the money

**Reported bugs**

- App crashes at the end of workouts
- App does not work with iOS 7

**Requested features**

- Add more exercises to the library
- Consider adding more bosu exercises
- Allow users to add their own favorite exercises
- Add music to workouts
- Include warnings about incorrect form and consequences


### Pilates Project

[App page](https://appshunter.io/ios/app/pilates-project/id1590468659)

Access a global community and extensive library of Reformer & Mat Pilates classes, available live and on-demand. This app offers structured training, personalized programs, and expert instruction for all levels, bringing the studio experience to your home.

**Highlights:** 350+ on-demand Reformer & Mat Pilates classes, Live classes with global community, Weekly training schedules and programs, Expert instruction with modifications, Personalized programs for fitness goals, Apple HealthKit integration for tracking, Dietitian-approved recipes and meal plans

**Features:** Apple Watch app, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pilates Project Monthly | $34.99 | per month |
| Monthly | $34.99 | per month |
| Pilates Project Yearly | $299.99 | per year |
| Yearly | $299.99 | per year |

**What reviewers like**

- 👍 Great instructions
- 👍 Amazing app and community
- 👍 Well-rounded fitness
- 👍 Incredible app
- 👍 Best Pilates app

**What reviewers complain about**

- 👎 Frustrating login issues
- 👎 Charged despite inability to use service
- 👎 Charged after cancellation
- 👎 Too hard, too expensive
- 👎 Basic search function

**Reported bugs**

- Login issue
- App frozen and won't open
- App crashed during sign-up
- Unable to log in to cancel
- App frozen after reload

**Requested features**

- More affordable option without nutrition
- Beginner workouts
- Rehab routines for specific concerns or injuries
- Less complex moves for standard routines
- Option to not include nutrition side


## Frequently asked questions

### Is Stark Bosu Ball free?

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

### Is Pilates Project free?

Pilates Project is free to download, with in-app purchases available.

### Which has better reviews, Stark Bosu Ball or Pilates Project?

Pilates Project is rated higher. Stark Bosu Ball averages 4.4 out of 5 from 81 ratings, while Pilates Project averages 4.8 from 65 ratings.

### Do Stark Bosu Ball or Pilates Project have ads?

Neither Stark Bosu Ball nor Pilates Project shows ads.

### Which is updated more often, Stark Bosu Ball or Pilates Project?

Stark Bosu Ball ships an update every 2 months, and Pilates Project monthly. Most recently, Stark Bosu Ball was updated on November 10, 2026 and Pilates Project on November 7, 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.*