# Seek Thermal vs TopInfrared

The clearest difference is rating: TopInfrared at 3.5 against Seek Thermal's 2.5. TopInfrared also leads on update cadence (every 3 weeks vs every 3 months) and review sentiment (40% vs 24%). Seek Thermal's advantage is in-app purchases (none vs 1) and ratings volume (321 vs 48). On price, ads and device support there is nothing between them.

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

TopInfrared holds the better App Store score, 3.5 against 2.5. That said, the two scores are not equally well evidenced: Seek Thermal has 321 ratings behind it against 48, so its average is the more settled of the two. Written reviews point the same way: 24% of Seek Thermal's written reviews are positive against 40% of TopInfrared's.

Seek Thermal ships an update every 3 months, TopInfrared every 3 weeks. The most recent releases landed on September 25, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Seek Thermal | TopInfrared |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.5 (321 ratings)](https://appshunter.io/ios/app/seek-thermal/id920891746/reviews) | **[3.5 (48 ratings)](https://appshunter.io/ios/app/topinfrared/id6452017744/reviews)** |
| Number of ratings | **321** | 48 |
| Positive reviews | 23.8% of reviews | **39.7% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 112 MB | 518 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Seek Thermal, Inc.](https://appshunter.io/developer/920891745) | [HK TOPDON TECHNOLOGY Co., LIMITED](https://appshunter.io/developer/1846276192) |

## What reviewers say

### Seek Thermal

[App page](https://appshunter.io/ios/app/seek-thermal/id920891746)

Transform your smartphone into a professional thermal imaging camera. Detect, inspect, measure, and visualize thermal energy in various environments, day or night. Capture and share thermal photos and videos with ease.

**Highlights:** Turn phone into thermal camera, Capture and share thermal photos/videos, Take spot temperatures, Inspect and diagnose thermal sources, Examine objects in any light, Multiple viewing modes and palettes

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 🚀 Affordable thermal camera
- 👍 Compact and portable design
- ✨ Useful for various applications (home inspection, hunting, etc.)
- 💡 Thermal imaging capabilities on mobile devices

**What reviewers complain about**

- 🐛 Buggy and unstable app
- 🔌 Drains phone battery quickly
- 🔍 Image quality and resolution issues
- 🤖 Compatibility problems with newer iOS versions and devices

**Reported bugs**

- App crashes frequently
- Camera not detected or recognized
- Thermal image orientation issues
- Inability to save or access captured images

**Requested features**

- Add ability to adjust emissivity
- Improve image processing and overlay features
- Implement better temperature measurement tools
- Provide more user-friendly tutorials and documentation


### 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 Seek Thermal free?

Seek Thermal 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, Seek Thermal or TopInfrared?

TopInfrared is rated higher. Seek Thermal averages 2.5 out of 5 from 321 ratings, while TopInfrared averages 3.5 from 48 ratings.

### Do Seek Thermal or TopInfrared have ads?

Neither Seek Thermal nor TopInfrared shows ads.

### Which is updated more often, Seek Thermal or TopInfrared?

Seek Thermal ships an update every 3 months, and TopInfrared every 3 weeks. Most recently, Seek Thermal was updated on September 25, 2026 and TopInfrared on September 23, 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.*