Comparison

Thermal P2 vs TopInfrared

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

Head to head
About

Thermal P2

This professional thermal camera connects to your smartphone for plug-and-play temperature measurement. It's ideal for both personal and industrial use, from inspecting household utilities to diagnosing equipment issues.

Highlights
  • Ultra-small professional thermal camera
  • 12μm high-performance infrared detector
  • Self-developed ASIC chip
  • Compact size, lightweight, low power consumption
  • Plug-and-play smartphone connection
  • Accurate temperature measurement
  • Heat map analysis
Features
Read full description

TempMaster,touch the temperature of the world TempMaster is an ultra-small professional thermal camera with a 12μm high-performance infrared detector and a self-developed ASIC chip. Its advantages include compact size, light weight, low power consumption, and high performance. You can connect it directly to the cellphone for plug-and-play accurate measurement. Personal consumption: household temperature measurement, water, electricity, and heating pipeline distribution and fault inspection, photo taking, peep-proofing, animal searching, etc.; Industrial and engineering usage: PCB overhaul, pipeline inspection, equipment overhaul, heating alarm, breeding, heat map analysis, etc.

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.

Screenshots

Thermal P24 screens
TopInfrared4 screens

Verdict

The call

The clearest difference is rating: TopInfrared at 3.5 against Thermal P2's 2.1. TopInfrared also leads on review sentiment (40% vs 11%). Thermal P2's advantage is in-app purchases (none vs 1). On price, ratings volume, 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 P2 asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

TopInfrared holds the better App Store score, 3.5 against 2.1. Both are backed by a comparable volume of ratings — 27 and 48 respectively. Written reviews point the same way: 11% of Thermal P2's written reviews are positive against 40% of TopInfrared's.

UpkeepUpdate frequency

Thermal P2 ships an update fortnightly, TopInfrared every 3 weeks. The most recent releases landed on September 16, 2026 and September 23, 2026 respectively.

Scorecard4 real differences · 6 level
Thermal P2 versus TopInfrared: the parameters behind the verdict, then further details
ParameterThermal P2TopInfrared
PriceFreeFree
Rating2.1 (27 ratings)3.5 (48 ratings) — better
Positive reviews10.7% of reviews39.7% of reviews — better
Number of ratings2748 — better
Update frequencyFortnightly — betterEvery 3 weeks
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS11.0 — better12.0
Further details — not scored
Size19 MB518 MB
Age rating4+4+
DeveloperRaysen Microsystem Technology Co., Ltd.HK TOPDON TECHNOLOGY Co., LIMITED

Customer experience

Thermal P2

All ratings19 ratings
Positive26.3%
Neutral5.3%
Negative68.4%
Written reviews28 reviews
Positive10.7%
Neutral14.3%
Negative75.0%

TopInfrared

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

In-app purchases

None

Thermal P2

No in-app purchases

1 purchases

TopInfrared

One-time1
  • AI Features$19.99

Questions

Is Thermal P2 free?
Thermal P2 is free to download, with no in-app purchases.
Is TopInfrared free?
TopInfrared is free to download, with in-app purchases available.
Which has better reviews, Thermal P2 or TopInfrared?
TopInfrared is rated higher. Thermal P2 averages 2.1 out of 5 from 27 ratings, while TopInfrared averages 3.5 from 48 ratings.
Do Thermal P2 or TopInfrared have ads?
Neither Thermal P2 nor TopInfrared shows ads.
Which is updated more often, Thermal P2 or TopInfrared?
Thermal P2 ships an update fortnightly, and TopInfrared every 3 weeks. Most recently, Thermal P2 was updated on September 16, 2026 and TopInfrared on September 23, 2026.

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