# HT vs Thermal Master

The clearest difference is rating: Thermal Master at 2.7 against HT's 1.0. Thermal Master also leads on review sentiment (31% vs 0%) and update cadence (every 3 weeks vs every 3 months). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Thermal Master holds the better App Store score, 2.7 against 1.0. That said, the two scores are not equally well evidenced: Thermal Master has 19 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 0% of HT's written reviews are positive against 31% of Thermal Master's.

HT ships an update every 3 months, Thermal Master every 3 weeks. The most recent releases landed on October 9, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | HT | Thermal Master |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/ht-203h/id6504402234/reviews) | **[2.7 (19 ratings)](https://appshunter.io/ios/app/thermal-master/id6737389515/reviews)** |
| Number of ratings | 1 | **19** |
| Positive reviews | 0.0% of reviews | **30.8% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 6 MB | 191 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Software Shop](https://appshunter.io/developer/1288503758) | [Thermal Master Technology Co.,Ltd.](https://appshunter.io/developer/1770222118) |

## What reviewers say

### HT

[App page](https://appshunter.io/ios/app/ht-203h/id6504402234)

This application enables thermal imaging and temperature measurement. It allows users to adjust emissivity and set measurement distances for precise thermal analysis.

**Highlights:** Thermal imaging, Temperature measurement, Emissivity adjustment, Measurement distance setting

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

**In-app purchases:** none


### Thermal Master

[App page](https://appshunter.io/ios/app/thermal-master/id6737389515)

This utility app connects to specific thermal camera models, offering enhanced thermal imaging capabilities. It features an upgraded algorithm for clearer heat source detection and supports digital zoom for precise target identification. The app provides lifetime free software upgrades.

**Highlights:** Connects to P, X, DV, and T2Max series thermal cameras, Upgraded Insight+ algorithm for noise suppression, Enhanced heat source visibility, Up to 15x digital zoom, Lifetime free software upgrades

**In-app purchases:** none


## Frequently asked questions

### Is HT free?

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

### Is Thermal Master free?

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

### Which has better reviews, HT or Thermal Master?

Thermal Master is rated higher. HT averages 1.0 out of 5 from 1 ratings, while Thermal Master averages 2.7 from 19 ratings.

### Do HT or Thermal Master have ads?

Neither HT nor Thermal Master shows ads.

### Which is updated more often, HT or Thermal Master?

HT ships an update every 3 months, and Thermal Master every 3 weeks. Most recently, HT was updated on October 9, 2026 and Thermal Master on October 25, 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.*