THREE15 STUDIO vs Radiant Forme
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
THREE15 STUDIO
This app offers a variety of fitness classes including 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
- Various class lengths
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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.
Radiant Forme
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Features: - Purchase Class Packs and Memberships Easily browse and purchase our class packs or membership options - View our schedule Filter classes by type to find the perfect fit for your routine. - Manage your reservations Book your class reservations with ease. Keep track of your upcoming classes and manage your schedule to stay organized and committed to your fitness goals.
Screenshots
Verdict
THREE15 STUDIO and Radiant Forme are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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.
Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.
| Parameter | THREE15 STUDIO | Radiant Forme |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (67 ratings) — better | — |
| Number of ratings | 67 — better | — |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone | iPhone |
| Requires iOS | 16.0 | 16.0 |
| Further details — not scored | ||
| Size | 38 MB | 38 MB |
| Age rating | 4+ | 4+ |
| Developer | THREE 15, LLC | Radiant Forme LLC |
In-app purchases
THREE15 STUDIO
No in-app purchases
Radiant Forme
No in-app purchases








