# Heatwise Studio vs Vessel Studios

The clearest difference is monetization model: Vessel Studios at free against Heatwise Studio's free with in-app purchases. Heatwise Studio's advantage is ratings volume (693 vs 1) and update cadence (every 4 weeks vs every 2 months). On price, rating, review sentiment and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for Heatwise Studio against 5.0 for Vessel Studios. That said, the two scores are not equally well evidenced: Heatwise Studio has 693 ratings behind it against 1, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

Heatwise Studio ships an update every 4 weeks, Vessel Studios every 2 months. The most recent releases landed on October 16, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | Heatwise Studio | Vessel Studios |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (693 ratings)](https://appshunter.io/ios/app/heatwise-studio/id1504908056/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/vessel-studios/id6670392817/reviews) |
| Number of ratings | **693** | 1 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 38 MB | 31 MB |
| Requires iOS | 16.0 | **15.6** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Heatwise](https://appshunter.io/developer/1472501563) | [Riki Wellness LLC](https://appshunter.io/developer/1766059923) |

## 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


### Vessel Studios

[App page](https://appshunter.io/ios/app/vessel-studios/id6670392817)

Easily book fitness classes and manage your membership from your device. Make reservations, join waitlists, and check your profile status on the go.

**Highlights:** Book fitness classes, Manage membership status, Join waitlists, Check profile, Class reservations

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Heatwise Studio free?

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

### Is Vessel Studios free?

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

### Which has better reviews, Heatwise Studio or Vessel Studios?

Heatwise Studio and Vessel Studios are both rated 5.0 out of 5 on the App Store, from 693 and 1 ratings respectively.

### Do Heatwise Studio or Vessel Studios have ads?

Neither Heatwise Studio nor Vessel Studios shows ads.

### Which is updated more often, Heatwise Studio or Vessel Studios?

Heatwise Studio ships an update every 4 weeks, and Vessel Studios every 2 months. Most recently, Heatwise Studio was updated on October 16, 2026 and Vessel Studios on September 26, 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.*