Contrast Hot + Cold Studio vs Ethos Training
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Contrast Hot + Cold Studio
Discover the benefits of hot and cold contrast therapy with this app. Book sessions, manage memberships, and learn about rejuvenation techniques. It integrates with HealthKit to track your activity and encourage a healthier lifestyle.
- Book contrast therapy sessions
- Purchase memberships
- Learn about contrast therapy
- Infrared sauna and cold plunge booking
- HealthKit integration for activity tracking
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Contrast offers hot & cold contrast therapy in both private and communal settings. Pair the infrared sauna with a cold plunge to maximize recovery & rejuvenation. This app can be used to book sessions, buy memberships, learn more about contrast therapy & more. APPLE HEALTHKIT We also use HealthKit to allow users to share their activity and workout data with the app. This data is used to incentivise users to stay active.
Ethos Training
Browse and purchase class packs or memberships. View the class schedule, filter by type, and easily book your reservations. Manage your upcoming classes to stay organized and committed to your fitness goals.
- Purchase class packs and memberships
- View class schedule
- Filter classes by type
- Manage class reservations
- Track upcoming classes
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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
The clearest difference is monetization model: Contrast Hot + Cold Studio at free against Ethos Training's free with in-app purchases. Ethos Training's advantage is rating (5.0 vs 4.7). On price, ratings volume, update cadence and ads 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.
Ethos Training holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 17 and 41 respectively.
Contrast Hot + Cold Studio ships an update every 5 weeks, Ethos Training every 4 weeks. The most recent releases landed on June 1, 2026 and September 9, 2026 respectively.
| Parameter | Contrast Hot + Cold Studio | Ethos Training |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (17 ratings) | 5.0 (41 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 17 | 41 — better |
| Update frequency | Every 5 weeks | Every 4 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 15.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 104 MB | 38 MB |
| Age rating | 17+ | 4+ |
| Developer | Emerson Waverly, LLC | Ethos Training Systems LLC |
Customer experience
Contrast Hot + Cold Studio
Ethos Training
In-app purchases
Contrast Hot + Cold Studio
No in-app purchases
Ethos Training
No in-app purchases
Questions
Is Contrast Hot + Cold Studio free?
Is Ethos Training free?
Which has better reviews, Contrast Hot + Cold Studio or Ethos Training?
Do Contrast Hot + Cold Studio or Ethos Training have ads?
Which is updated more often, Contrast Hot + Cold Studio or Ethos Training?
Other comparisons
