# vidar vs IR master

The clearest difference is review sentiment: IR master at 27% against vidar's 0%. vidar's advantage is iOS requirement (9.3 vs 13.0). On price, update cadence, ads and in-app purchases there is nothing between them.

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

vidar ships an update every 2 months, IR master every 3 months. The most recent releases landed on September 17, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | vidar | IR master |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.7 (3 ratings)](https://appshunter.io/ios/app/ir-master/id1614218116/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | 0.0% of reviews | **26.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Free | Free |
| Size | 34 MB | 77 MB |
| Requires iOS | **9.3** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Wuhan Guide Infrared Co.,Ltd.](https://appshunter.io/developer/688744536) | [InfiRay Technologies Co.,Ltd.](https://appshunter.io/developer/1516230719) |

## What reviewers say

### vidar

[App page](https://appshunter.io/ios/app/vidar/id1119165153)

This utility app enhances the use of handheld thermal cameras by displaying images directly on your phone screen, eliminating the need for external monitors. It also simplifies sharing photos and videos with friends and offers convenient camera operation.

**Highlights:** View thermal camera images on phone screen, Eliminates need for external displays, Easy photo and video sharing, Streamlined thermal camera operation

**In-app purchases:** none


### 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


## Frequently asked questions

### Is vidar free?

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

### Is IR master free?

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

### Do vidar or IR master have ads?

Neither vidar nor IR master shows ads.

### Which is updated more often, vidar or IR master?

vidar ships an update every 2 months, and IR master every 3 months. Most recently, vidar was updated on September 17, 2026 and IR master on October 14, 2026.

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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.*