# vidar vs TopInfrared

The clearest difference is review sentiment: TopInfrared at 40% against vidar's 0%. TopInfrared also leads on update cadence (every 3 weeks vs every 2 months). vidar's advantage is in-app purchases (none vs 1) and iOS requirement (9.3 vs 12.0). On price, ads and device support there is nothing between them.

Both are free to download. TopInfrared sells 1 one-off in-app purchase. vidar asks for nothing beyond the download.

vidar ships an update every 2 months, TopInfrared every 3 weeks. The most recent releases landed on September 17, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | vidar | TopInfrared |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.5 (48 ratings)](https://appshunter.io/ios/app/topinfrared/id6452017744/reviews)** |
| Number of ratings | — | **48** |
| Positive reviews | 0.0% of reviews | **39.7% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 34 MB | 518 MB |
| Requires iOS | **9.3** | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Wuhan Guide Infrared Co.,Ltd.](https://appshunter.io/developer/688744536) | [HK TOPDON TECHNOLOGY Co., LIMITED](https://appshunter.io/developer/1846276192) |

## 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


### TopInfrared

[App page](https://appshunter.io/ios/app/topinfrared/id6452017744)

This thermal imaging camera app provides high-resolution thermal images for precise temperature detection. It's ideal for inspecting insulation, examining electronics, and identifying heat loss with excellent accuracy and sensitivity.

**Highlights:** High-resolution thermal imaging (256x192), Precise temperature detection, Insulation inspection, Circuit board examination, High heat sensitivity (40mk), Low power consumption

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AI Features | $19.99 | one-time |


## Frequently asked questions

### Is vidar free?

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

### Is TopInfrared free?

TopInfrared is free to download, with in-app purchases available.

### Do vidar or TopInfrared have ads?

Neither vidar nor TopInfrared shows ads.

### Which is updated more often, vidar or TopInfrared?

vidar ships an update every 2 months, and TopInfrared every 3 weeks. Most recently, vidar was updated on September 17, 2026 and TopInfrared on October 16, 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.*