# TAS Viewer vs MicroPrt2

The clearest difference is update cadence: TAS Viewer at every 2 months against MicroPrt2's every 6 months. 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.

TAS Viewer ships an update every 2 months, MicroPrt2 every 6 months. The most recent releases landed on June 11, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | TAS Viewer | MicroPrt2 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 6 months |
| Monetization | Free | — |
| Size | 32 MB | 277 MB |
| Requires iOS | **14.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [红杰 李](https://appshunter.io/developer/1602186097) | [旭 黄](https://appshunter.io/developer/1536309325) |

## What reviewers say

### 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


### MicroPrt2

[App page](https://appshunter.io/ios/app/microprt2/id6449518183)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is TAS Viewer free?

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

### Is MicroPrt2 free?

MicroPrt2 is free to download, with no in-app purchases.

### Do TAS Viewer or MicroPrt2 have ads?

Neither TAS Viewer nor MicroPrt2 shows ads.

### Which is updated more often, TAS Viewer or MicroPrt2?

TAS Viewer ships an update every 2 months, and MicroPrt2 every 6 months. Most recently, TAS Viewer was updated on June 11, 2026 and MicroPrt2 on September 26, 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.*