# IR master vs QianLi IR

The clearest difference is review sentiment: QianLi IR at 100% against IR master's 13%. QianLi IR also leads on rating (3.0 vs 2.6). IR master's advantage is device support and iOS requirement (13.0 vs 15.6). On price, ratings volume, in-app purchases and monetization model there is nothing between them.

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

QianLi IR holds the better App Store score, 3.0 against 2.6. Both are backed by a comparable volume of ratings — 5 and 3 respectively. Written reviews point the same way: 13% of IR master's written reviews are positive against 100% of QianLi IR's.

## The numbers

| Metric | IR master | QianLi IR |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.6 (5 ratings)](https://appshunter.io/ios/app/ir-master/id1614218116/reviews) | **[3.0 (3 ratings)](https://appshunter.io/ios/app/qianli-ir/id6474654503/reviews)** |
| Number of ratings | **5** | 3 |
| Positive reviews | 12.9% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Every 3 months | — |
| Monetization | Free | Free |
| Size | 77 MB | 56 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | **iPhone, iPod** | — |
| Age rating | 17+ | 4+ |
| Developer | [InfiRay Technologies Co.,Ltd.](https://appshunter.io/developer/1516230719) | [志衡 张](https://appshunter.io/developer/1699562097) |

## What reviewers say

### IR master

[App page](https://appshunter.io/ios/app/ir-master/id1614218116)

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.

**Highlights:** High-resolution infrared thermal imaging, Real-time temperature data output, Wide range of application directions, Consumer-level infrared thermography, Night vision capabilities

**Features:** macOS Compatibility

**In-app purchases:** none


### QianLi IR

[App page](https://appshunter.io/ios/app/qianli-ir/id6474654503)

This application is designed for specialized infrared thermal imaging devices, offering enhanced features for PCB anomaly detection and electronic engineering development. It provides innovative functions like single-point positioning and quick search to solve industry pain points for professional users.

**Highlights:** Infrared thermal imaging, PCB anomaly detection, Electronic engineering optimization, Adjustable focal length lens, Single-point positioning, Quick search function

**In-app purchases:** none


## Frequently asked questions

### Is IR master free?

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

### Is QianLi IR free?

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

### Which has better reviews, IR master or QianLi IR?

QianLi IR is rated higher. IR master averages 2.6 out of 5 from 5 ratings, while QianLi IR averages 3.0 from 3 ratings.

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