Contrast Hot + Cold Studio vs 100MilesSummer
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.
100MilesSummer
Join a summer-long community challenge to walk, run, or hike 100 miles. Track your progress and stay motivated with a supportive crew as you embrace the outdoors and build healthy habits.
- Community movement challenge
- Track 100 miles over summer
- Walk, run, or hike options
- Motivated crew support
- Build new habits
- Reconnect with nature
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100 Miles of Summer is a community movement challenge designed to get you outside and moving. Walk, run, or hike 100 miles over the summer and track your progress with support from a vibrant, motivated crew. Whether you're chasing a new habit or reconnecting with nature, this challenge makes every mile count.
Screenshots
Verdict
The clearest difference is update cadence: 100MilesSummer at every 3 days against Contrast Hot + Cold Studio's every 5 weeks. 100MilesSummer also leads on rating (5.0 vs 4.7). Contrast Hot + Cold Studio's advantage is ratings volume (17 vs 1). On price, ads, in-app purchases and monetization model 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.
100MilesSummer holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Contrast Hot + Cold Studio has 17 ratings behind it against 1, so its average is the more settled of the two.
Contrast Hot + Cold Studio ships an update every 5 weeks, 100MilesSummer every 3 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.
| Parameter | Contrast Hot + Cold Studio | 100MilesSummer |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (17 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 17 — better | 1 |
| Update frequency | Every 5 weeks | Every 3 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.0 | 14.0.0 — better |
| Further details — not scored | ||
| Size | 104 MB | 102 MB |
| Age rating | 17+ | 12+ |
| Developer | Emerson Waverly, LLC | Kayla Jeter |
Customer experience
Contrast Hot + Cold Studio
100MilesSummer
In-app purchases
Contrast Hot + Cold Studio
No in-app purchases
100MilesSummer
No in-app purchases
Questions
Is Contrast Hot + Cold Studio free?
Is 100MilesSummer free?
Which has better reviews, Contrast Hot + Cold Studio or 100MilesSummer?
Do Contrast Hot + Cold Studio or 100MilesSummer have ads?
Which is updated more often, Contrast Hot + Cold Studio or 100MilesSummer?
Other comparisons
