# IR explorer vs Longot Pro

The clearest difference is update cadence: IR explorer at fortnightly against Longot Pro's every 2 months. 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.

IR explorer ships an update fortnightly, Longot Pro every 2 months. The most recent releases landed on September 22, 2026 and January 7, 2026 respectively.

## The numbers

| Metric | IR explorer | Longot Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.1 (38 ratings)](https://appshunter.io/ios/app/ir-explorer/id1580206229/reviews)** | — |
| Number of ratings | **38** | — |
| Positive reviews | 27.4% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | Free | — |
| Size | 75 MB | 112 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [InfiRay Technologies Co.,Ltd.](https://appshunter.io/developer/1516230719) | [KE XU](https://appshunter.io/developer/1527970260) |

## What reviewers say

### IR explorer

[App page](https://appshunter.io/ios/app/ir-explorer/id1580206229)

This app transforms your smartphone into an infrared camera, allowing you to see objects emitting heat in dark environments. It offers clear imaging, various filter effects, and real-time temperature detection for outdoor enthusiasts and professionals.

**Highlights:** Infrared camera functionality, Clear night vision imaging, Temperature detection, Multiple filter effects, Hot spot tracking, Laser pointing function

**Features:** macOS Compatibility

**In-app purchases:** none


### Longot Pro

[App page](https://appshunter.io/ios/app/longot-pro/id6504213417)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is IR explorer free?

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

### Is Longot Pro free?

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

### Do IR explorer or Longot Pro have ads?

Neither IR explorer nor Longot Pro shows ads.

### Which is updated more often, IR explorer or Longot Pro?

IR explorer ships an update fortnightly, and Longot Pro every 2 months. Most recently, IR explorer was updated on September 22, 2026 and Longot Pro on January 7, 2026.

---

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