# Airdog vs TopInfrared

The clearest difference is rating: TopInfrared at 3.5 against Airdog's 2.6. TopInfrared also leads on update cadence (every 3 weeks vs every 19 months) and iOS requirement (12.0 vs 14.0). Airdog's advantage is in-app purchases (none vs 1). On price, review sentiment, ratings volume and ads there is nothing between them.

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

TopInfrared holds the better App Store score, 3.5 against 2.6. Both are backed by a comparable volume of ratings — 18 and 52 respectively. Written reviews point the same way: 34% of Airdog's written reviews are positive against 40% of TopInfrared's.

Airdog ships an update every 19 months, TopInfrared every 3 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | Airdog | TopInfrared |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.6 (18 ratings)](https://appshunter.io/ios/app/airdog/id1541567376/reviews) | **[3.5 (52 ratings)](https://appshunter.io/ios/app/topinfrared/id6452017744/reviews)** |
| Number of ratings | 18 | **52** |
| Positive reviews | 34.5% of reviews | **39.7% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 19 months | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 242 MB | 518 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [BeiAngTech](https://appshunter.io/developer/891633937) | [HK TOPDON TECHNOLOGY Co., LIMITED](https://appshunter.io/developer/1846276192) |

## What reviewers say

### Airdog

[App page](https://appshunter.io/ios/app/airdog/id1541567376)

Control and monitor your air quality devices remotely. Manage multiple devices simultaneously, set schedules for automated operation, and view real-time air quality index (AQI) values to maintain a healthy living environment.

**Highlights:** Voice control, Remote device control, Multi-device management, Timed task execution, Real-time AQI display

**Features:** Vision Pro support

**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 Airdog free?

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

### Is TopInfrared free?

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

### Which has better reviews, Airdog or TopInfrared?

TopInfrared is rated higher. Airdog averages 2.6 out of 5 from 18 ratings, while TopInfrared averages 3.5 from 52 ratings.

### Do Airdog or TopInfrared have ads?

Neither Airdog nor TopInfrared shows ads.

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

Airdog ships an update every 19 months, and TopInfrared every 3 weeks. Most recently, Airdog was updated on October 24, 2026 and TopInfrared on October 24, 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.*