# Thermal Link vs TAS Viewer

The clearest difference is iOS requirement: Thermal Link at 11.0 against TAS Viewer's 14.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Thermal Link ships an update every 3 months, TAS Viewer every 2 months. The most recent releases landed on October 27, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Thermal Link | TAS Viewer |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | — | Free |
| Size | 58 MB | 32 MB |
| Requires iOS | **11.0** | 14.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [UNI-TREND TECHNOLOGY (CHINA) CO.,LTD.](https://appshunter.io/developer/1207185875) | [红杰 李](https://appshunter.io/developer/1602186097) |

## What reviewers say

### Thermal Link

[App page](https://appshunter.io/ios/app/thermal-link/id1588000207)

**Features:** macOS Compatibility

**In-app purchases:** none


### TAS Viewer

[App page](https://appshunter.io/ios/app/tas-viewer/id1605567151)

This application provides tools for the secondary analysis of infrared imaging data. It allows users to examine and interpret thermal images for various purposes.

**Highlights:** Infrared imaging secondary analysis, Thermal image interpretation, Data examination tools

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Thermal Link free?

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

### Is TAS Viewer free?

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

### Do Thermal Link or TAS Viewer have ads?

Neither Thermal Link nor TAS Viewer shows ads.

### Which is updated more often, Thermal Link or TAS Viewer?

Thermal Link ships an update every 3 months, and TAS Viewer every 2 months. Most recently, Thermal Link was updated on October 27, 2026 and TAS Viewer on October 19, 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.*