IR master vs Thermal P2
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
IR master
This application transforms your smartphone into a high-resolution infrared thermal imager. It offers detailed temperature data output for various applications, from industrial inspections to personal health monitoring.
- High-resolution infrared thermal imaging
- Real-time temperature data output
- Wide range of application directions
- Consumer-level infrared thermography
- Night vision capabilities
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[InfiRay Mobile Phone Infrared Thermal Image Thermometer] 2.76 million pixel photo-level infrared thermal imaging night vision APP Aero smart phone thermal imager, with excellent imaging effect, convenient infrared temperature measurement function, 2.76 million full-screen temperature data output per second, so that high-end infrared thermal imager into consumer life. The application direction is wide: electric power inspection, outdoor adventure, animal observation, security patrol, CS night battle, industrial temperature measurement, building HVAC testing, circuit board testing, home appliances, breast cancer self-examination, medical health and so on.
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.
- 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
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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.
Screenshots
Verdict
The clearest difference is rating: IR master at 3.7 against Thermal P2's 2.1. IR master also leads on monetization model (free vs paid) and review sentiment (27% vs 11%). Thermal P2's advantage is update cadence (fortnightly vs every 3 months) and ratings volume (27 vs 3). On price, ads, in-app purchases and device support 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
IR master holds the better App Store score, 3.7 against 2.1. That said, the two scores are not equally well evidenced: Thermal P2 has 27 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 27% of IR master's written reviews are positive against 11% of Thermal P2's.
IR master ships an update every 3 months, Thermal P2 fortnightly. The most recent releases landed on September 29, 2026 and September 16, 2026 respectively.
| Parameter | IR master | Thermal P2 |
|---|---|---|
| Price | Free | Free |
| Rating | 3.7 (3 ratings) — better | 2.1 (27 ratings) |
| Positive reviews | 26.7% of reviews — better | 10.7% of reviews |
| Number of ratings | 3 | 27 — better |
| Update frequency | Every 3 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 13.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 77 MB | 19 MB |
| Age rating | 17+ | 4+ |
| Developer | InfiRay Technologies Co.,Ltd. | Raysen Microsystem Technology Co., Ltd. |
Customer experience
IR master
Thermal P2
In-app purchases
IR master
No in-app purchases
Thermal P2
No in-app purchases
Questions
Is IR master free?
Is Thermal P2 free?
Which has better reviews, IR master or Thermal P2?
Do IR master or Thermal P2 have ads?
Which is updated more often, IR master or Thermal P2?
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