IR master vs NV Master
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.
NV Master
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NV Master is a mobile application tool that is compatible with thremal AI collision prevention instruments and used in many scenarios, such as safe driving, nighttime pedestrian monitoring, and vehicle detection. It is convenient for users to manage related AI collision prevention instruments by wirelessly connecting with the device and achieving device control and remote OTA upgrade.
Screenshots
Verdict
The clearest difference is update cadence: NV Master at every 3 weeks against IR master's every 3 months. 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 ships an update every 3 months, NV Master every 3 weeks. The most recent releases landed on July 7, 2026 and September 12, 2026 respectively.
| Parameter | IR master | NV Master |
|---|---|---|
| Price | Free | Free |
| Rating | 3.7 (3 ratings) — better | — |
| Positive reviews | 26.7% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 3 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 13.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 77 MB | 46 MB |
| Age rating | 17+ | 17+ |
| Developer | InfiRay Technologies Co.,Ltd. | Thermal Master Technology Co.,Ltd. |
In-app purchases
IR master
No in-app purchases
NV Master
No in-app purchases









