Comparison

Thermal P2 vs Temp Master

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

Temp Master

This utility app enhances thermal imaging capabilities for compatible Thermal Master devices, offering precise temperature detection and advanced image analysis. It allows users to view, save, and export thermal data offline, with features like digital zoom and improved resolution for various inspection tasks.

Highlights
  • High-accuracy temperature detection
  • Enhanced infrared resolution
  • Offline data viewing and export
  • Up to 15x digital zoom
  • Reduced background noise
  • Long battery life optimization
Features
Read full description

Temp Master This app is exclusively compatible with the following Thermal Master devices: P1 / P2 Pro / P3. Thermal Master offers two main series of thermal imaging devices—Temp Master (traditional smartphone thermal cameras) and Thermal Master (thermal monoculars)—covering a wide range of use cases from home temperature monitoring and industrial inspections to long-range (up to 1500 meters) outdoor night vision. What's new in this version: Resolved compatibility issues with the X³ super-resolution algorithm on some models. Now fully supports enhanced infrared resolution of 512×384. P2 now supports high-accuracy temperature detection within ±2.7℉ (±1.5℃). With an upgraded IQ+ precision algorithm, temperature readings for HVAC systems, electrical circuits, PCB diagnostics, and automotive inspections are now even more reliable. The P2 pioneered ultra-low power consumption in thermal imaging—just 0.3W. We've further optimized the algorithm, battery life can now reach 5–7 hours or more. Upgraded professional data analysis software: view, save, and export images and temperature data even offline. Enhanced the Razor X image algorithm, reducing background noise by approximately 20% and achieving a frame rate of 25Hz, ensuring smooth performance even during fast movements. All Thermal Master devices now support up to 15x digital zoom for pinpoint accuracy when locating faults. As a global leader in smartphone thermal imaging, Thermal Master is committed to creating smarter and sharper thermal cameras. We hold the largest number of smartphone thermal imaging patents worldwide and offer lifetime free software updates for all products.

Screenshots

Thermal P24 screens
Temp Master4 screens

Verdict

The call

The clearest difference is rating: Temp Master at 3.2 against Thermal P2's 2.1. Temp Master also leads on monetization model (free vs paid) and review sentiment (40% vs 11%). Thermal P2's advantage is update cadence (fortnightly vs every 5 weeks). On price, ratings volume, ads and in-app purchases 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.

ReceptionRating · Positive reviews · Number of ratings

Temp Master holds the better App Store score, 3.2 against 2.1. Both are backed by a comparable volume of ratings — 27 and 12 respectively. Written reviews point the same way: 11% of Thermal P2's written reviews are positive against 40% of Temp Master's.

UpkeepUpdate frequency

Thermal P2 ships an update fortnightly, Temp Master every 5 weeks. The most recent releases landed on September 16, 2026 and August 9, 2026 respectively.

Scorecard4 real differences · 6 level
Thermal P2 versus Temp Master: the parameters behind the verdict, then further details
ParameterThermal P2Temp Master
PriceFreeFree
Rating2.1 (27 ratings)3.2 (12 ratings) — better
Positive reviews10.7% of reviews40.0% of reviews — better
Number of ratings27 — better12
Update frequencyFortnightly — betterEvery 5 weeks
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS11.011.0
Further details — not scored
Size19 MB43 MB
Age rating4+4+
DeveloperRaysen Microsystem Technology Co., Ltd.Thermal Master Technology Co.,Ltd.

Customer experience

Thermal P2

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

Temp Master

All ratings12 ratings
Positive58.3%
Neutral0.0%
Negative41.7%
Written reviews10 reviews
Positive40.0%
Neutral20.0%
Negative40.0%

In-app purchases

None

Thermal P2

No in-app purchases

None

Temp Master

No in-app purchases

Questions

Is Thermal P2 free?
Thermal P2 is free to download, with no in-app purchases.
Is Temp Master free?
Temp Master is free to download, with no in-app purchases.
Which has better reviews, Thermal P2 or Temp Master?
Temp Master is rated higher. Thermal P2 averages 2.1 out of 5 from 27 ratings, while Temp Master averages 3.2 from 12 ratings.
Do Thermal P2 or Temp Master have ads?
Neither Thermal P2 nor Temp Master shows ads.
Which is updated more often, Thermal P2 or Temp Master?
Thermal P2 ships an update fortnightly, and Temp Master every 5 weeks. Most recently, Thermal P2 was updated on September 16, 2026 and Temp Master on August 9, 2026.

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