# FFES Sauna vs CryoZest

The clearest difference is update cadence: CryoZest at every 2 days against FFES Sauna's every 2 months. CryoZest also leads on review sentiment (56% vs 40%). On price, ads, in-app purchases and monetization model there is nothing between them.

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

FFES Sauna ships an update every 2 months, CryoZest every 2 days. The most recent releases landed on October 17, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | FFES Sauna | CryoZest |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.3 (20 ratings)](https://appshunter.io/ios/app/cryozest-self-experiment/id6449912558/reviews)** |
| Number of ratings | — | **20** |
| Positive reviews | 40.0% of reviews | **55.6% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 days** |
| Monetization | Free | Free |
| Size | 31 MB | 4 MB |
| Requires iOS | **15.0** | 16.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Hubert Gorczynski](https://appshunter.io/developer/1488442948) | [OKRA Labs LLC](https://appshunter.io/developer/1691008963) |

## What reviewers say

### FFES Sauna

[App page](https://appshunter.io/ios/app/ffes-sauna/id1498644908)

Control your sauna remotely from your iPhone or iPad. Set temperature, duration, and manage various sauna features before you even arrive home. Prepare your ideal relaxation experience from anywhere.

**Highlights:** Remote sauna control, Temperature and climate monitoring, Session time management, User profile selection, Aromatherapy operation, Evaporator power adjustment, Ventilation management

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### CryoZest

[App page](https://appshunter.io/ios/app/cryozest-self-experiment/id6449912558)

Track hot and cold therapy sessions like sauna, yoga, and cold plunges. Seamlessly integrate with the Health app to monitor progress and uncover patterns in your wellness journey. Log details like duration, temperature, and intensity for data-driven insights.

**Highlights:** Log hot and cold therapy sessions, Track duration, temperature, and intensity, View session history and trends, Integrate with Health app via HealthKit/CareKit, Monitor associated health metrics, Data-driven wellness insights

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is FFES Sauna free?

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

### Is CryoZest free?

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

### Do FFES Sauna or CryoZest have ads?

Neither FFES Sauna nor CryoZest shows ads.

### Which is updated more often, FFES Sauna or CryoZest?

FFES Sauna ships an update every 2 months, and CryoZest every 2 days. Most recently, FFES Sauna was updated on October 17, 2026 and CryoZest on September 20, 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.*