Comparison

TopInfrared vs Thermal Master

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

Head to head
About

TopInfrared

This thermal imaging camera app provides high-resolution thermal images for precise temperature detection. It's ideal for inspecting insulation, examining electronics, and identifying heat loss with excellent accuracy and sensitivity.

Highlights
  • High-resolution thermal imaging (256x192)
  • Precise temperature detection
  • Insulation inspection
  • Circuit board examination
  • High heat sensitivity (40mk)
  • Low power consumption
Features
Read full description

Applications: The iOS smartphone thermal imaging camera offers exceptional precision in detecting temperatures, inspecting insulation, and examining circuit boards. Its impressive 256x192 ultra-high resolution ensures that thermal images are both sharp and detailed. The device has a temperature accuracy of ±3.6°F(2°C), boasting a resolution of 0.1°C. Moreover, with a low power consumption of only 0.35W, you can use it for extended periods without concerns about battery life. The camera's high heat sensitivity of 40mk enables it to detect even the slightest temperature changes with great precision.

About

Thermal Master

This utility app connects to specific thermal camera models, offering enhanced thermal imaging capabilities. It features an upgraded algorithm for clearer heat source detection and supports digital zoom for precise target identification. The app provides lifetime free software upgrades.

Highlights
  • Connects to P, X, DV, and T2Max series thermal cameras
  • Upgraded Insight+ algorithm for noise suppression
  • Enhanced heat source visibility
  • Up to 15x digital zoom
  • Lifetime free software upgrades
Read full description

Thermal Master is the global leader in phone thermal imaging, with a decade of experience and 8 world records. This all-in-one thermal camera and night vision app works with the P Series (P1/P2 Pro/P3) phone thermal cameras, the foldable-screen birdwatching thermal imagers DV2 and DV3, and the outdoor night-vision phone thermal cameras T2 Max, X2. As the only thermal imaging brand to win a Tom's Guide AI Award, and recognized by Forbes, NotebookCheck, and TechRadar, Thermal Master keeps pushing thermal imaging technology to be smaller, sharper, and smarter — with free lifetime software upgrades on every device. What's New in This Update: - Insight+ 4.0 imaging algorithm: AI adapts to different environments, better distinguishes real heat sources from summer-heat false targets, and reduces background noise. - Super Birdwatching 4.0: an industry-first algorithm that suppresses the thermal "sky effect" over tree canopies, making birds easier to spot with this thermal bird finder. - Sky Guard 3.0: intelligent sun-damage protection for the thermal detector. - Razor-Sharp X³ imaging algorithm: sharper, more defined edges on subtle heat sources. - TruePix temperature measurement algorithm: refined calibration for targets with different reflectivity. - Shutterless technology: continuous thermal observation with no shutter interruption. Choose the right app for your device: this "Thermal Master" app supports P1/P2/P2 Pro/P3/P3 Lite/T2 Max/X2/DV2/DV3.

Screenshots

TopInfrared4 screens
Thermal Master4 screens

Verdict

The call

The clearest difference is rating: TopInfrared at 3.5 against Thermal Master's 2.5. TopInfrared also leads on ratings volume (51 vs 15). Thermal Master's advantage is in-app purchases (none vs 1). On price, review sentiment, update cadence and ads 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. TopInfrared sells 1 one-off in-app purchase. Thermal Master asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

TopInfrared holds the better App Store score, 3.5 against 2.5. Both are backed by a comparable volume of ratings — 51 and 15 respectively. Written reviews point the same way: 40% of TopInfrared's written reviews are positive against 36% of Thermal Master's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 20, 2026 and October 12, 2026 respectively.

Scorecard4 real differences · 6 level
TopInfrared versus Thermal Master: the parameters behind the verdict, then further details
ParameterTopInfraredThermal Master
PriceFreeFree
Rating3.5 (51 ratings) — better2.5 (15 ratings)
Positive reviews39.7% of reviews — better36.4% of reviews
Number of ratings51 — better15
Update frequencyEvery 3 weeksEvery 3 weeks
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS12.0 — better13.0
Further details — not scored
Size518 MB190 MB
Age rating4+17+
DeveloperHK TOPDON TECHNOLOGY Co., LIMITEDThermal Master Technology Co.,Ltd.

Customer experience

TopInfrared

All ratings48 ratings
Positive64.6%
Neutral8.3%
Negative27.1%
Written reviews73 reviews
Positive39.7%
Neutral13.7%
Negative46.6%

Thermal Master

All ratings15 ratings
Positive40.0%
Neutral0.0%
Negative60.0%
Written reviews11 reviews
Positive36.4%
Neutral0.0%
Negative63.6%

In-app purchases

1 purchases

TopInfrared

One-time1
  • AI Features$19.99
None

Thermal Master

No in-app purchases

Questions

Is TopInfrared free?
TopInfrared is free to download, with in-app purchases available.
Is Thermal Master free?
Thermal Master is free to download, with no in-app purchases.
Which has better reviews, TopInfrared or Thermal Master?
TopInfrared is rated higher. TopInfrared averages 3.5 out of 5 from 51 ratings, while Thermal Master averages 2.5 from 15 ratings.
Do TopInfrared or Thermal Master have ads?
Neither TopInfrared nor Thermal Master shows ads.
Which is updated more often, TopInfrared or Thermal Master?
TopInfrared ships an update every 3 weeks, and Thermal Master every 3 weeks. Most recently, TopInfrared was updated on October 20, 2026 and Thermal Master on October 12, 2026.

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