# myJazzercise vs THREE15 STUDIO

The clearest difference is rating: THREE15 STUDIO at 5.0 against myJazzercise's 4.4. THREE15 STUDIO also leads on update cadence (every 3 weeks vs every 3 months). myJazzercise's advantage is monetization model (free vs ad-supported) and ratings volume (357 vs 65). On price, ads, in-app purchases and iOS requirement there is nothing between them.

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

THREE15 STUDIO holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: myJazzercise has 357 ratings behind it against 65, so its average is the more settled of the two.

myJazzercise ships an update every 3 months, THREE15 STUDIO every 3 weeks. The most recent releases landed on October 13, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | myJazzercise | THREE15 STUDIO |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (357 ratings)](https://appshunter.io/ios/app/myjazzercise/id1192717977/reviews) | **[5.0 (65 ratings)](https://appshunter.io/ios/app/three15-studio/id6477896937/reviews)** |
| Number of ratings | **357** | 65 |
| Positive reviews | 61.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | **Free** | Ad-supported |
| Size | 169 MB | 38 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Jazzercise](https://appshunter.io/developer/560954915) | [THREE 15, LLC](https://appshunter.io/developer/1489994363) |

## What reviewers say

### myJazzercise

[App page](https://appshunter.io/ios/app/myjazzercise/id1192717977)

This app helps you track workouts, monitor progress, and achieve fitness goals. It offers personalized training plans, engaging challenges, and class booking. Integrate with HealthKit for a comprehensive fitness journey.

**Highlights:** Workout Tracking, Personalized Training Plans, Activity Level Milestones, Fun Challenges, Class Scheduling & Booking, HealthKit Integration

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Easy to use app
- 👍 Helpful for scheduling workouts
- 👍 Useful for finding class times and locations
- 👍 Convenient for adding classes to calendar
- 👍 Great for tracking workouts when traveling

**What reviewers complain about**

- 🐛 App crashes or doesn't load properly
- 🔍 Difficult to find or switch between locations
- 🔍 Lacks ability to track specific Jazzercise class types
- 🔍 Unable to log or track Jazzercise workouts
- 🔍 Barcode scanner doesn't work consistently

**Reported bugs**

- Class schedule information is often inaccurate or outdated
- Challenges and other features don't work as expected
- Login and account management issues
- Compatibility problems on certain devices

**Requested features**

- Add ability to track number of Jazzercise classes attended
- Integrate with fitness trackers and sync workout data
- Allow users to log specific Jazzercise class types
- Develop an Apple Watch app version
- Add payment and booking functionality within the app


### THREE15 STUDIO

[App page](https://appshunter.io/ios/app/three15-studio/id6477896937)

This app offers a variety of fitness classes combining cycling, barre, and strength training. Explore different class lengths and formats designed for all fitness levels, from beginner to advanced.

**Highlights:** Rhythm-based cycling, Barre workouts, Strength training, Full body stretching, Beginner-friendly classes, Extended and condensed class options

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

**In-app purchases:** none


## Frequently asked questions

### Is myJazzercise free?

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

### Is THREE15 STUDIO free?

THREE15 STUDIO is free to download, with no in-app purchases.

### Which has better reviews, myJazzercise or THREE15 STUDIO?

THREE15 STUDIO is rated higher. myJazzercise averages 4.4 out of 5 from 357 ratings, while THREE15 STUDIO averages 5.0 from 65 ratings.

### Do myJazzercise or THREE15 STUDIO have ads?

Neither myJazzercise nor THREE15 STUDIO shows ads.

### Which is updated more often, myJazzercise or THREE15 STUDIO?

myJazzercise ships an update every 3 months, and THREE15 STUDIO every 3 weeks. Most recently, myJazzercise was updated on October 13, 2026 and THREE15 STUDIO on October 10, 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.*