# Thermal P2 vs addSensors

The clearest difference is update cadence: Thermal P2 at fortnightly against addSensors's every 16 months. Thermal P2 also leads on iOS requirement (11.0 vs 15.5). On price, ads, in-app purchases and device support there is nothing between them.

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

Thermal P2 ships an update fortnightly, addSensors every 16 months. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Thermal P2 | addSensors |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.0 (29 ratings)](https://appshunter.io/ios/app/thermal-p2/id6446384113/reviews)** | — |
| Number of ratings | **29** | — |
| Positive reviews | 10.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 16 months |
| Monetization | Paid | — |
| Size | 19 MB | 40 MB |
| Requires iOS | **11.0** | 15.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Raysen Microsystem Technology Co., Ltd.](https://appshunter.io/developer/1738384120) | [addSensors GmbH](https://appshunter.io/developer/1812393904) |

## 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


### addSensors

[App page](https://appshunter.io/ios/app/addsensors/id6745471944)

**In-app purchases:** none


## Frequently asked questions

### Is Thermal P2 free?

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

### Is addSensors free?

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

### Do Thermal P2 or addSensors have ads?

Neither Thermal P2 nor addSensors shows ads.

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

Thermal P2 ships an update fortnightly, and addSensors every 16 months. Most recently, Thermal P2 was updated on November 3, 2026 and addSensors on October 30, 2026.

---

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