Comparison

TAS Viewer vs Thermal Pro

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

TAS Viewer

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
Read full description

TAS Viewer is an app for infrared imaging secondary analysis.

About

Thermal Pro

This portable thermal imager converts object heat radiation into images and temperature data. It offers high-resolution thermal imaging, real-time temperature measurement, and various display modes. Users can record videos, set alarms, and generate detailed analysis reports.

Highlights
  • 256x192 pixel infrared resolution
  • Real-time high-definition thermal imaging
  • Temperature range -20℃ to 550℃
  • Thermal imaging, fusion, and picture-in-picture modes
  • Real-time temperature sound/light alarms
  • Temperature measurement analysis reports
  • Video recording and playback
Features
Read full description

The mobile phone thermal imager is a portable thermal imaging product of long-wave infrared (8~14μm, LWIR), which can convert the thermal radiation of the measured object into images and temperature data. Main functions: 1. Supports ultra-high infrared resolution of 256X192 pixels, and displays thermal images in real time and high definition through 25Hz high frame rate. 2. Supports measurement of the full temperature range of -20℃~550℃ (-4℉~1022℉), and can accurately detect temperature changes of 0.1℃(32.18℉). 3. Supports real-time image photography and video recording, and can set the maximum\minimum\center temperature value display of point, line, and surface areas at any position on the image. 4. Supports thermal imaging\fusion\picture-in-picture mode switching, combining infrared images and visible light images. 5. Supports real-time temperature sound/light alarm, and can customize high or low temperature alarm values ​​and alarm modes. 6. Support real-time temperature waveform monitoring, you can set points, lines, and surface areas at any position on the image for temperature monitoring, automatically save temperature monitoring videos, support video playback and excel table data export. 7. Support the generation of temperature measurement analysis reports, you can select any photo in the album to generate a PDF report, and support PDF report sharing.

Screenshots

TAS Viewer3 screens
Thermal Pro4 screens

Verdict

The call

The clearest difference is review sentiment: TAS Viewer at 100% against Thermal Pro's 0%. TAS Viewer also leads on update cadence (every 2 months vs every 4 months). Thermal Pro's advantage is iOS requirement (12.0 vs 14.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

TAS Viewer ships an update every 2 months, Thermal Pro every 4 months. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

Scorecard3 real differences · 7 level
TAS Viewer versus Thermal Pro: the parameters behind the verdict, then further details
ParameterTAS ViewerThermal Pro
PriceFreeFree
Rating—1.0 (1 ratings) — better
Positive reviews100.0% of reviews — better0.0% of reviews
Number of ratings—1 — better
Update frequencyEvery 2 months — betterEvery 4 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPod
Requires iOS14.012.0 — better
Further details — not scored
Size32 MB28 MB
Age rating4+4+
Developer红杰 李Shenzhen Leagend Optoelectronics Co., Ltd.

Customer experience

TAS Viewer

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Thermal Pro

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

TAS Viewer

No in-app purchases

None

Thermal Pro

No in-app purchases

Questions

Is TAS Viewer free?
TAS Viewer is free to download, with no in-app purchases.
Is Thermal Pro free?
Thermal Pro is free to download, with no in-app purchases.
Do TAS Viewer or Thermal Pro have ads?
Neither TAS Viewer nor Thermal Pro shows ads.
Which is updated more often, TAS Viewer or Thermal Pro?
TAS Viewer ships an update every 2 months, and Thermal Pro every 4 months. Most recently, TAS Viewer was updated on November 3, 2026 and Thermal Pro on October 30, 2026.

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