# RedRay Thermal vs HeaTrack

The clearest difference is update cadence: HeaTrack at every 2 weeks against RedRay Thermal's every 11 months. RedRay Thermal's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 17.5). On price, 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.

RedRay Thermal ships an update every 11 months, HeaTrack every 2 weeks. Both last shipped on October 30, 2026.

## The numbers

| Metric | RedRay Thermal | HeaTrack |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 2 weeks** |
| Size | 73 MB | 16 MB |
| Requires iOS | **15.0** | 17.5 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [深圳市承恩热视科技有限公司](https://appshunter.io/developer/1700843354) | [Jerry Chen](https://appshunter.io/developer/1800136102) |

## What reviewers say

### RedRay Thermal

[App page](https://appshunter.io/ios/app/redray-thermal/id6738339535)

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

**In-app purchases:** none


### HeaTrack

[App page](https://appshunter.io/ios/app/heatrack/id6742814189)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is RedRay Thermal free?

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

### Is HeaTrack free?

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

### Do RedRay Thermal or HeaTrack have ads?

Neither RedRay Thermal nor HeaTrack shows ads.

### Which is updated more often, RedRay Thermal or HeaTrack?

RedRay Thermal ships an update every 11 months, and HeaTrack every 2 weeks. Most recently, RedRay Thermal was updated on October 30, 2026 and HeaTrack on October 30, 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.*