iSTC. vs IR master
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
iSTC.
Connect a thermal image camera to your smartphone via Wi-Fi to view live thermal feeds. Analyze temperature data, capture images, and retrieve external measurement data from compatible products.
- Wi-Fi connection to thermal cameras
- Live thermal image viewing on phone
- Max/min/point temperature display
- Image capture functionality
- Bluetooth external measure data retrieval
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- you can build a connection between Thermal Image Camera and smart phone through the wifi, then you can see the image on the phone screen. - you can get the max/min/any point temperature on the screen. - you can take a picture. - you can get some external measure data of MEET'S product by bluetooth.
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.
Screenshots
Verdict
The clearest difference is rating: IR master at 3.7 against iSTC.'s 1.5. iSTC.'s advantage is iOS requirement (9.0 vs 13.0). 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
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 1.5. Both are backed by a comparable volume of ratings — 2 and 3 respectively.
iSTC. ships an update every 2 months, IR master every 3 months. The most recent releases landed on June 1, 2026 and July 7, 2026 respectively.
| Parameter | iSTC. | IR master |
|---|---|---|
| Price | Free | Free |
| Rating | 1.5 (2 ratings) | 3.7 (3 ratings) — better |
| Positive reviews | — | 26.7% of reviews |
| Number of ratings | 2 | 3 — better |
| Update frequency | Every 2 months — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 9.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 8 MB | 77 MB |
| Age rating | 4+ | 17+ |
| Developer | HK Meet Ltd | InfiRay Technologies Co.,Ltd. |
Customer experience
iSTC.
IR master
In-app purchases
iSTC.
No in-app purchases
IR master
No in-app purchases
