# Heatwise New vs TBMT

The clearest difference is iOS requirement: TBMT at 13.0 against Heatwise New's 16.0. 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.

Heatwise New ships an update monthly, TBMT every 5 weeks. The most recent releases landed on September 24, 2026 and May 17, 2026 respectively.

## The numbers

| Metric | Heatwise New | TBMT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (674 ratings)](https://appshunter.io/ios/app/heatwise-new/id1504908056/reviews)** | — |
| Number of ratings | **674** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 5 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 38 MB | 40 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Heatwise](https://appshunter.io/developer/1472501563) | [Two Bridges Muay Thai, LLC](https://appshunter.io/developer/1800039543) |

## What reviewers say

### Heatwise New

[App page](https://appshunter.io/ios/app/heatwise-new/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


### TBMT

[App page](https://appshunter.io/ios/app/tbmt/id6742798975)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Heatwise New free?

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

### Is TBMT free?

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

### Do Heatwise New or TBMT have ads?

Neither Heatwise New nor TBMT shows ads.

### Which is updated more often, Heatwise New or TBMT?

Heatwise New ships an update monthly, and TBMT every 5 weeks. Most recently, Heatwise New was updated on September 24, 2026 and TBMT on May 17, 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.*