# HeatSight vs Thermal Viewer

The clearest difference is rating: Thermal Viewer at 5.0 against HeatSight's 1.0. Thermal Viewer also leads on device support (4 vs 2) and iOS requirement (15.0 vs 26.1). HeatSight's advantage is in-app purchases (none vs 3). On price, ratings volume and ads there is nothing between them.

Both are free to download. Thermal Viewer sells 3 in-app purchases, starting at $4.99 per 7 days. HeatSight asks for nothing beyond the download.

Thermal Viewer holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

## The numbers

| Metric | HeatSight | Thermal Viewer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/heatsight/id6762225222/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/thermal-viewer-ir-analyzer/id6779991634/reviews)** |
| Number of ratings | 1 | **2** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Weekly |
| Monetization | — | Freemium |
| Size | 6 MB | 35 MB |
| Requires iOS | 26.1 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Taylor Galbraith](https://appshunter.io/developer/1617675898) | [Rush Tools LLC](https://appshunter.io/developer/1896773547) |

## What reviewers say

### HeatSight

[App page](https://appshunter.io/ios/app/heatsight/id6762225222)

**Features:** macOS Compatibility

**In-app purchases:** none


### Thermal Viewer

[App page](https://appshunter.io/ios/app/thermal-viewer-ir-analyzer/id6779991634)

Analyze radiometric thermal images directly on your iPhone, iPad, or Mac. This app supports various thermal image formats and offers detailed temperature analysis, including spot, box, and ellipse measurements. It allows for live re-analysis and export of data and settings, all while keeping your images private and offline.

**Highlights:** Analyze radiometric thermal images, Supports multiple thermal file formats, Tap to read exact temperature, Add spot, box, ellipse, and line measurements, Live re-analysis with adjustable parameters, Visible-light blend and MSX-style overlay, Export temperature matrix to CSV, Batch export of images and settings

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Weekly | $4.99 | per 7 days |
| Pro Yearly | $29.99 | per year |
| Lifetime Access | $49.99 | one-time |


## Frequently asked questions

### Is HeatSight free?

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

### Is Thermal Viewer free?

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

### Which has better reviews, HeatSight or Thermal Viewer?

Thermal Viewer is rated higher. HeatSight averages 1.0 out of 5 from 1 ratings, while Thermal Viewer averages 5.0 from 2 ratings.

### Do HeatSight or Thermal Viewer have ads?

Neither HeatSight nor Thermal Viewer shows ads.

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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.*