# BIÂN vs Contrast Hot + Cold Studio

The clearest difference is ads: Contrast Hot + Cold Studio at none against BIÂN's shown. On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

BIÂN ships an update every 2 months, Contrast Hot + Cold Studio every 5 weeks. The most recent releases landed on October 19, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | BIÂN | Contrast Hot + Cold Studio |
| --- | --- | --- |
| 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 | Yes | **No** |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Monetization | — | Free |
| Size | 125 MB | 104 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [BIAN CHICAGO LLC](https://appshunter.io/developer/1535951916) | [Emerson Waverly, LLC](https://appshunter.io/developer/1746448476) |

## What reviewers say

### BIÂN

[App page](https://appshunter.io/ios/app/bian/id1535951464)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### 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


## Frequently asked questions

### Is BIÂN free?

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

### Is Contrast Hot + Cold Studio free?

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

### Do BIÂN or Contrast Hot + Cold Studio have ads?

BIÂN shows ads; Contrast Hot + Cold Studio does not.

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

BIÂN ships an update every 2 months, and Contrast Hot + Cold Studio every 5 weeks. Most recently, BIÂN was updated on October 19, 2026 and Contrast Hot + Cold Studio on October 22, 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.*