Purify U vs THREE15 STUDIO
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Purify U
Easily plan and schedule your fitness classes directly from your mobile device. View class schedules, sign up for sessions, and find studio location information. Optimize your time and enjoy the convenience of managing your fitness activities on the go.
- View class schedules
- Sign up for classes
- Studio location information
- Optimize time
- Convenient mobile access
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Download the Purify U App today to plan and schedule your classes! From this mobile App you can view class schedules, sign-up for classes, as well as view the studio’s location information. Optimize your time and maximize the convenience of signing up for classes from your device! Download this App today!
THREE15 STUDIO
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.
- Rhythm-based cycling
- Barre workouts
- Strength training
- Full body stretching
- Beginner-friendly classes
- Extended and condensed class options
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THREE15 THREE15 is our 55 minute signature class that combines 15 minutes of rhythm-based cycling, 15 minutes of barre and 15 minutes of strength work. We start each class with a warm-up on the bike and finish each class with a full body stretch. RIDE45 RIDE45 ride is a 45 minute rhythm-based cycle only class that incorporates the THREE15 method focusing on legs for 15 minutes, arms for 15 minutes and your core for 15 minutes. BONUS RIDE BONUS RIDE is a 75 minute class that combines our signature THREE15 class with the addition of a 20 minute “bonus” ride on the bike. THIRTY5 THIRTY5 is a 35 minute class that is a condensed version of our signature THREE15 class. It is a class that was created to give clients all of the burn of a signature class in a shorter amount of time. BASIC Basic is a class that we encourage all of our new clients to attend to gain a better understanding of the THREE15 method. This 45 minute class is a slower paced version of our signature THREE15 class that will help you perfect your form. STRENGTH45 STRENGTH45 is a 45 minute rhythm-based class that begins on the bike followed by strength training on the floor with heavier weights. EXTEND45 EXTEND45 is a 45 minute class focused on stretching, flexibility, and mobility while improving overall strength.
Screenshots
Verdict
The clearest difference is update cadence: THREE15 STUDIO at every 3 weeks against Purify U's every 3 months. THREE15 STUDIO also leads on ratings volume (51 vs 4). Purify U's advantage is device support (3 vs 1) and iOS requirement (14.0 vs 16.0). On price, rating, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 5.0 for Purify U against 5.0 for THREE15 STUDIO. That said, the two scores are not equally well evidenced: THREE15 STUDIO has 51 ratings behind it against 4, so its average is the more settled of the two.
Purify U ships an update every 3 months, THREE15 STUDIO every 3 weeks. The most recent releases landed on June 23, 2026 and September 8, 2026 respectively.
| Parameter | Purify U | THREE15 STUDIO |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (4 ratings) | 5.0 (51 ratings) |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 4 | 51 — better |
| Update frequency | Every 3 months | Every 3 weeks — better |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Monetization | Ad-supported | Ad-supported |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 14.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 151 MB | 36 MB |
| Age rating | 4+ | 4+ |
| Developer | Everything Natural Under The Sun, Inc. | THREE 15, LLC |
Customer experience
Purify U
THREE15 STUDIO
In-app purchases
Purify U
No in-app purchases
THREE15 STUDIO
No in-app purchases
Questions
Is Purify U free?
Is THREE15 STUDIO free?
Which has better reviews, Purify U or THREE15 STUDIO?
Do Purify U or THREE15 STUDIO have ads?
Which is updated more often, Purify U or THREE15 STUDIO?
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