# testo Thermography vs YJACK VIEW

The clearest difference is ratings volume: YJACK VIEW at 19 against testo Thermography's 2. testo Thermography's advantage is iOS requirement (13 vs 15.6). On price, rating, review sentiment and update cadence there is nothing between them.

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

On the App Store both sit at effectively the same score — 3.0 for testo Thermography against 2.9 for YJACK VIEW. That said, the two scores are not equally well evidenced: YJACK VIEW has 19 ratings behind it against 2, so its average is the more settled of the two. Written reviews are what separate them: 31% of testo Thermography's written reviews are positive against 30% of YJACK VIEW's.

testo Thermography ships an update every 6 months, YJACK VIEW every 5 months. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | testo Thermography | YJACK VIEW |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/testo-thermography/id1123010537/reviews)** | [2.9 (19 ratings)](https://appshunter.io/ios/app/yjack-view/id1492358956/reviews) |
| Number of ratings | 2 | **19** |
| Positive reviews | **31.3% of reviews** | 30.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 5 months** |
| Monetization | Free | Free |
| Size | 63 MB | 18 MB |
| Requires iOS | **13** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Testo SE & Co. KGaA](https://appshunter.io/developer/966489178) | [YELLOW JACKET](https://appshunter.io/developer/924701171) |

## What reviewers say

### testo Thermography

[App page](https://appshunter.io/ios/app/testo-thermography/id1123010537)

This free application enhances the functionality of specific testo thermal imagers. It allows users to view live images, remotely control the device, and transfer stored images for analysis and report creation. Reports and images can be easily shared via email or cloud services.

**Highlights:** Live thermal imager view, Remote device control, Image and data transmission, Thermal image analysis, Report creation, Email and cloud sharing

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

**In-app purchases:** none


### YJACK VIEW

[App page](https://appshunter.io/ios/app/yjack-view/id1492358956)

This app provides a comprehensive HVAC/R diagnostic solution by integrating with specialized hardware. It allows users to view live data, create and share service reports, and perform detailed system analysis for pressure, temperature, evacuation, and more.

**Highlights:** Live data monitoring, Customizable PDF service reports, Enhanced datalogging, Pressure and temperature analysis, Evacuation monitoring, Psychrometric analysis, Electrical readings

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

**In-app purchases:** none


## Frequently asked questions

### Is testo Thermography free?

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

### Is YJACK VIEW free?

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

### Which has better reviews, testo Thermography or YJACK VIEW?

testo Thermography is rated higher. testo Thermography averages 3.0 out of 5 from 2 ratings, while YJACK VIEW averages 2.9 from 19 ratings.

### Do testo Thermography or YJACK VIEW have ads?

Neither testo Thermography nor YJACK VIEW shows ads.

### Which is updated more often, testo Thermography or YJACK VIEW?

testo Thermography ships an update every 6 months, and YJACK VIEW every 5 months. Most recently, testo Thermography was updated on October 29, 2026 and YJACK VIEW on October 24, 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.*