# HeatNext vs Clausius BT

The clearest difference is in-app purchases: Clausius BT at none against HeatNext's 1. Clausius BT also leads on iOS requirement (13.0 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. HeatNext sells 1 in-app purchase, starting at $22.90 per year. Clausius BT asks for nothing beyond the download.

HeatNext ships an update every 5 weeks, Clausius BT every 2 months. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | HeatNext | Clausius BT |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Size | 46 MB | 21 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Nomnio](https://appshunter.io/developer/1440372439) | [SELTRON d.o.o.](https://appshunter.io/developer/894504883) |

## What reviewers say

### HeatNext

[App page](https://appshunter.io/ios/app/heatnext/id1440372440)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plus Package | $22.90 | per year |


### Clausius BT

[App page](https://appshunter.io/ios/app/clausius-bt/id1599744081)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is HeatNext free?

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

### Is Clausius BT free?

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

### Do HeatNext or Clausius BT have ads?

Neither HeatNext nor Clausius BT shows ads.

### Which is updated more often, HeatNext or Clausius BT?

HeatNext ships an update every 5 weeks, and Clausius BT every 2 months. Most recently, HeatNext was updated on November 6, 2026 and Clausius BT on November 3, 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.*