# Contrast Hot + Cold Studio vs HPH Wellness

The clearest difference is device support: HPH Wellness at 4 against Contrast Hot + Cold Studio's 2. On price, update cadence, ads and in-app purchases there is nothing between them.

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 5 weeks. Both last shipped on June 1, 2026.

## The numbers

| Metric | Contrast Hot + Cold Studio | HPH Wellness |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (17 ratings)](https://appshunter.io/ios/app/contrast-hot-plus-cold-studio/id6502682138/reviews)** | — |
| Number of ratings | **17** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | Every 5 weeks |
| Monetization | Free | — |
| Size | 104 MB | 162 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 17+ | 4+ |
| Developer | [Emerson Waverly, LLC](https://appshunter.io/developer/1746448476) | [Humboldt Park Health](https://appshunter.io/developer/1687447540) |

## What reviewers say

### Contrast Hot + Cold Studio

[App page](https://appshunter.io/ios/app/contrast-hot-plus-cold-studio/id6502682138)

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.

**Highlights:** Book contrast therapy sessions, Purchase memberships, Learn about contrast therapy, Infrared sauna and cold plunge booking, HealthKit integration for activity tracking

**Features:** macOS Compatibility

**In-app purchases:** none


### HPH Wellness

[App page](https://appshunter.io/ios/app/hph-wellness/id6740421745)

**Features:** Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is Contrast Hot + Cold Studio free?

Contrast Hot + Cold Studio is free to download, with no in-app purchases.

### Is HPH Wellness free?

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

### Do Contrast Hot + Cold Studio or HPH Wellness have ads?

Neither Contrast Hot + Cold Studio nor HPH Wellness shows ads.

### Which is updated more often, Contrast Hot + Cold Studio or HPH Wellness?

Contrast Hot + Cold Studio ships an update every 5 weeks, and HPH Wellness every 5 weeks. Most recently, Contrast Hot + Cold Studio was updated on June 1, 2026 and HPH Wellness on June 1, 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.*