# TopInfrared vs Temp Master

The clearest difference is in-app purchases: Temp Master at none against TopInfrared's 1. TopInfrared's advantage is rating (3.5 vs 3.2) and ratings volume (48 vs 12). On price, review sentiment, update cadence and ads there is nothing between them.

Both are free to download. TopInfrared sells 1 one-off in-app purchase. Temp Master asks for nothing beyond the download.

TopInfrared holds the better App Store score, 3.5 against 3.2. Both are backed by a comparable volume of ratings — 48 and 12 respectively. Written reviews split almost evenly too, at 40% and 40% positive.

TopInfrared ships an update every 3 weeks, Temp Master every 5 weeks. The most recent releases landed on September 23, 2026 and August 9, 2026 respectively.

## The numbers

| Metric | TopInfrared | Temp Master |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (48 ratings)](https://appshunter.io/ios/app/topinfrared/id6452017744/reviews)** | [3.2 (12 ratings)](https://appshunter.io/ios/app/temp-master/id6737321665/reviews) |
| Number of ratings | **48** | 12 |
| Positive reviews | 39.7% of reviews | **40.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 5 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Size | 518 MB | 43 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [HK TOPDON TECHNOLOGY Co., LIMITED](https://appshunter.io/developer/1846276192) | [Thermal Master Technology Co.,Ltd.](https://appshunter.io/developer/1770222118) |

## What reviewers say

### TopInfrared

[App page](https://appshunter.io/ios/app/topinfrared/id6452017744)

This thermal imaging camera app provides high-resolution thermal images for precise temperature detection. It's ideal for inspecting insulation, examining electronics, and identifying heat loss with excellent accuracy and sensitivity.

**Highlights:** High-resolution thermal imaging (256x192), Precise temperature detection, Insulation inspection, Circuit board examination, High heat sensitivity (40mk), Low power consumption

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AI Features | $19.99 | one-time |


### 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 TopInfrared free?

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

### Is Temp Master free?

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

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

TopInfrared is rated higher. TopInfrared averages 3.5 out of 5 from 48 ratings, while Temp Master averages 3.2 from 12 ratings.

### Do TopInfrared or Temp Master have ads?

Neither TopInfrared nor Temp Master shows ads.

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

TopInfrared ships an update every 3 weeks, and Temp Master every 5 weeks. Most recently, TopInfrared was updated on September 23, 2026 and Temp Master on August 9, 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.*