# vidar vs Thermal P2

The clearest difference is monetization model: vidar at free against Thermal P2's paid. vidar also leads on iOS requirement (9.3 vs 11.0). Thermal P2's advantage is update cadence (fortnightly vs every 2 months) and review sentiment (11% vs 0%). 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.

vidar ships an update every 2 months, Thermal P2 fortnightly. The most recent releases landed on September 17, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | vidar | Thermal P2 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.1 (27 ratings)](https://appshunter.io/ios/app/thermal-p2/id6446384113/reviews)** |
| Number of ratings | — | **27** |
| Positive reviews | 0.0% of reviews | **10.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | **Free** | Paid |
| Size | 34 MB | 19 MB |
| Requires iOS | **9.3** | 11.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Wuhan Guide Infrared Co.,Ltd.](https://appshunter.io/developer/688744536) | [Raysen Microsystem Technology Co., Ltd.](https://appshunter.io/developer/1738384120) |

## 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


### 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


## Frequently asked questions

### Is vidar free?

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

### Is Thermal P2 free?

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

### Do vidar or Thermal P2 have ads?

Neither vidar nor Thermal P2 shows ads.

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

vidar ships an update every 2 months, and Thermal P2 fortnightly. Most recently, vidar was updated on September 17, 2026 and Thermal P2 on September 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.*