# Heatwise Studio vs GYRE Training

The clearest difference is in-app purchases: Heatwise Studio at none against GYRE Training's 2. Heatwise Studio also leads on iOS requirement (16.0 vs 18.0). GYRE Training's advantage is update cadence (every 4 days vs every 4 weeks). On price, ads and device support there is nothing between them.

Both are free to download. GYRE Training sells 2 in-app purchases, starting at $29.99 per 3 months. Heatwise Studio asks for nothing beyond the download.

Heatwise Studio ships an update every 4 weeks, GYRE Training every 4 days. The most recent releases landed on October 20, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Heatwise Studio | GYRE Training |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (696 ratings)](https://appshunter.io/ios/app/heatwise-studio/id1504908056/reviews)** | — |
| Number of ratings | **696** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 4 days** |
| Monetization | Free with in-app purchases | — |
| Size | 38 MB | 21 MB |
| Requires iOS | **16.0** | 18.0 |
| Devices | iPhone | **iPhone, Apple Watch** |
| Age rating | 4+ | 17+ |
| Developer | [Heatwise](https://appshunter.io/developer/1472501563) | [Gyre Labs](https://appshunter.io/developer/6794444839) |

## What reviewers say

### Heatwise Studio

[App page](https://appshunter.io/ios/app/heatwise-studio/id1504908056)

Book your next sauna session with this app. Browse studio locations, view class schedules, and manage your reservations. Purchase classes and workshops, and update your account details all in one place.

**Highlights:** Find and book sauna sessions, View studio locations, Check class schedules, Review existing reservations, Purchase classes and workshops, Manage your account

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

**In-app purchases:** none


### GYRE Training

[App page](https://appshunter.io/ios/app/gyre-training/id6794444837)

**Features:** Apple Watch app

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Quarterly | $29.99 | per 3 months |
| Yearly | $99.99 | per year |


## Frequently asked questions

### Is Heatwise Studio free?

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

### Is GYRE Training free?

GYRE Training is free to download, with in-app purchases available.

### Do Heatwise Studio or GYRE Training have ads?

Neither Heatwise Studio nor GYRE Training shows ads.

### Which is updated more often, Heatwise Studio or GYRE Training?

Heatwise Studio ships an update every 4 weeks, and GYRE Training every 4 days. Most recently, Heatwise Studio was updated on October 20, 2026 and GYRE Training on October 8, 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.*