# ATS Group vs Temp Master

The clearest difference is update cadence: Temp Master at every 5 weeks against ATS Group's every 5 months. Temp Master also leads on iOS requirement (11.0 vs 14.0). On price, ads, in-app purchases and device support there is nothing between them.

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

ATS Group ships an update every 5 months, Temp Master every 5 weeks. The most recent releases landed on September 28, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | ATS Group | Temp Master |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.2 (12 ratings)](https://appshunter.io/ios/app/temp-master/id6737321665/reviews)** |
| Number of ratings | — | **12** |
| Positive reviews | — | 40.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 5 weeks** |
| Monetization | — | Free |
| Size | 60 MB | 43 MB |
| Requires iOS | 14.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Najoom Al Thuraya Security Control Services L.L.C](https://appshunter.io/developer/1537226166) | [Thermal Master Technology Co.,Ltd.](https://appshunter.io/developer/1770222118) |

## What reviewers say

### ATS Group

[App page](https://appshunter.io/ios/app/ats-group/id1637216738)

**Features:** macOS Compatibility

**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 ATS Group free?

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

### Is Temp Master free?

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

### Do ATS Group or Temp Master have ads?

Neither ATS Group nor Temp Master shows ads.

### Which is updated more often, ATS Group or Temp Master?

ATS Group ships an update every 5 months, and Temp Master every 5 weeks. Most recently, ATS Group was updated on September 28, 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.*