NNPO vs IR master
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
NNPO
This app provides advanced thermal imaging and infrared night vision capabilities for your device. It allows users to view and capture thermal data, enhancing visibility in low-light conditions.
- Thermal image scope
- IR night vision
- Low-light visibility enhancement
- Capture thermal data
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Leading high technology thermal image scope and IR night vision
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 2.6 against NNPO's 2.0. IR master also leads on review sentiment (13% vs 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, 2.6 against 2.0. Both are backed by a comparable volume of ratings — 2 and 5 respectively. Written reviews point the same way: 0% of NNPO's written reviews are positive against 13% of IR master's.
NNPO ships an update every 2 months, IR master every 3 months. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.
| Parameter | NNPO | IR master |
|---|---|---|
| Price | Free | Free |
| Rating | 2.0 (2 ratings) | 2.6 (5 ratings) — better |
| Positive reviews | 0.0% of reviews | 12.9% of reviews — better |
| Number of ratings | 2 | 5 — 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 | 14.2 | 13.0 — better |
| Further details — not scored | ||
| Size | 27 MB | 77 MB |
| Age rating | 4+ | 17+ |
| Developer | Shenzhen NNPO Technology Co.,Ltd | InfiRay Technologies Co.,Ltd. |
Customer experience
NNPO
IR master
In-app purchases
NNPO
No in-app purchases
IR master
No in-app purchases
