# Thermal P2 vs Thermal Master

The clearest difference is monetization model: Thermal Master at free against Thermal P2's paid. Thermal Master also leads on rating (2.5 vs 2.1) and review sentiment (36% vs 11%). Thermal P2's advantage is iOS requirement (11.0 vs 13.0). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Thermal Master holds the better App Store score, 2.5 against 2.1. Both are backed by a comparable volume of ratings — 27 and 15 respectively. Written reviews point the same way: 11% of Thermal P2's written reviews are positive against 36% of Thermal Master's.

Thermal P2 ships an update fortnightly, Thermal Master every 3 weeks. The most recent releases landed on September 16, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | Thermal P2 | Thermal Master |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.1 (27 ratings)](https://appshunter.io/ios/app/thermal-p2/id6446384113/reviews) | **[2.5 (15 ratings)](https://appshunter.io/ios/app/thermal-master/id6737389515/reviews)** |
| Number of ratings | **27** | 15 |
| Positive reviews | 10.7% of reviews | **36.4% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Monetization | Paid | **Free** |
| Size | 19 MB | 190 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Raysen Microsystem Technology Co., Ltd.](https://appshunter.io/developer/1738384120) | [Thermal Master Technology Co.,Ltd.](https://appshunter.io/developer/1770222118) |

## What reviewers say

### Thermal P2

[App page](https://appshunter.io/ios/app/thermal-p2/id6446384113)

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:** macOS Compatibility

**In-app purchases:** none


### Thermal Master

[App page](https://appshunter.io/ios/app/thermal-master/id6737389515)

This utility app connects to specific thermal camera models, offering enhanced thermal imaging capabilities. It features an upgraded algorithm for clearer heat source detection and supports digital zoom for precise target identification. The app provides lifetime free software upgrades.

**Highlights:** Connects to P, X, DV, and T2Max series thermal cameras, Upgraded Insight+ algorithm for noise suppression, Enhanced heat source visibility, Up to 15x digital zoom, Lifetime free software upgrades

**In-app purchases:** none


## Frequently asked questions

### Is Thermal P2 free?

Thermal P2 is free to download, with no in-app purchases.

### Is Thermal Master free?

Thermal Master is free to download, with no in-app purchases.

### Which has better reviews, Thermal P2 or Thermal Master?

Thermal Master is rated higher. Thermal P2 averages 2.1 out of 5 from 27 ratings, while Thermal Master averages 2.5 from 15 ratings.

### Do Thermal P2 or Thermal Master have ads?

Neither Thermal P2 nor Thermal Master shows ads.

### Which is updated more often, Thermal P2 or Thermal Master?

Thermal P2 ships an update fortnightly, and Thermal Master every 3 weeks. Most recently, Thermal P2 was updated on September 16, 2026 and Thermal Master on September 26, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*