# HT vs Temp Master

The clearest difference is rating: Temp Master at 3.2 against HT's 1.0. Temp Master also leads on review sentiment (40% vs 0%) and ratings volume (12 vs 1). 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.

Temp Master holds the better App Store score, 3.2 against 1.0. That said, the two scores are not equally well evidenced: Temp Master has 12 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 40% of Temp Master's.

HT ships an update every 3 months, Temp Master every 5 weeks. The most recent releases landed on October 9, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | HT | Temp Master |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/ht-203h/id6504402234/reviews) | **[3.2 (12 ratings)](https://appshunter.io/ios/app/temp-master/id6737321665/reviews)** |
| Number of ratings | 1 | **12** |
| Positive reviews | 0.0% of reviews | **40.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 5 weeks** |
| Monetization | Free | Free |
| Size | 6 MB | 43 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| 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


### Temp Master

[App page](https://appshunter.io/ios/app/temp-master/id6737321665)

This utility app enhances thermal imaging capabilities for compatible Thermal Master devices, offering precise temperature detection and advanced image analysis. It allows users to view, save, and export thermal data offline, with features like digital zoom and improved resolution for various inspection tasks.

**Highlights:** High-accuracy temperature detection, Enhanced infrared resolution, Offline data viewing and export, Up to 15x digital zoom, Reduced background noise, Long battery life optimization

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is HT free?

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

### Is Temp Master free?

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

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

Temp Master is rated higher. HT averages 1.0 out of 5 from 1 ratings, while Temp Master averages 3.2 from 12 ratings.

### Do HT or Temp Master have ads?

Neither HT nor Temp Master shows ads.

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

HT ships an update every 3 months, and Temp Master every 5 weeks. Most recently, HT was updated on October 9, 2026 and Temp Master on October 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.*