# Flir One vs TrailCam Link

The clearest difference is rating: Flir One at 4.6 against TrailCam Link's 1.0. Flir One also leads on ratings volume (7.6K vs 2) and update cadence (every 5 weeks vs every 3 months). TrailCam Link's advantage is in-app purchases (none vs 1) and iOS requirement (9.0 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. Flir One sells 1 in-app purchase, starting at $29.99 per year. TrailCam Link asks for nothing beyond the download.

Flir One holds the better App Store score, 4.6 against 1.0. That said, the two scores are not equally well evidenced: Flir One has 7.6K ratings behind it against 2, so its average is the more settled of the two.

Flir One ships an update every 5 weeks, TrailCam Link every 3 months. The most recent releases landed on October 29, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Flir One | TrailCam Link |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (7.6K ratings)](https://appshunter.io/ios/app/flir-one/id875842742/reviews)** | [1.0 (2 ratings)](https://appshunter.io/ios/app/trailcam-link/id1581267629/reviews) |
| Number of ratings | **7.6K** | 2 |
| Positive reviews | 21.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 3 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 178 MB | 71 MB |
| Requires iOS | 18.0 | **9.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [FLIR Systems Aktiebolag](https://appshunter.io/developer/408612990) | [文泽 王](https://appshunter.io/developer/1581266354) |

## What reviewers say

### Flir One

[App page](https://appshunter.io/ios/app/flir-one/id875842742)

This app transforms your smartphone into a thermal imaging device when connected to a compatible camera. It helps identify hidden issues like water damage, electrical faults, and HVAC problems with advanced visual enhancements and measurement tools. Document and share your findings easily.

**Highlights:** Thermal camera view, Capture photos and videos, Temperature spot measurements, Color palette selection, Add text notes, Cloud upload and organization, Inspection guides

**Features:** Family Sharing, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Inspection Guides | $29.99 | per year |

**What reviewers like**

- 🚀 Great for finding animals
- 🚀 Excellent affordable option for home inspection
- 🚀 Valued piece of tech for animal rescue
- 🚀 Excellent piece of equipment
- 🚀 Simple but informative

**What reviewers complain about**

- 🐛 Image alignment issues
- 🐛 Scam - won't connect
- 🐛 Poor App/Image refresh
- 🐛 Waste of money
- 🐛 Poor UX, only real option

**Reported bugs**

- Constantly disconnecting
- App crashes
- Doesn't work with older devices after updates
- Slow refresh rate and high latency
- App requires full photo library access

**Requested features**

- Bring back swiping between thermal and regular images
- Allow locking temperature scale
- Add temperature range display
- Allow setting own emissivity value
- Allow selecting colors on manual temperature scale


### TrailCam Link

[App page](https://appshunter.io/ios/app/trailcam-link/id1581267629)

Connect to your trail camera via Bluetooth and Wi-Fi to preview the live feed. Capture photos and videos directly from the app and download them to your phone's album.

**Highlights:** Bluetooth camera search, Wi-Fi camera connection, Live camera preview, Photo and video capture, Download media to phone

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Flir One free?

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

### Is TrailCam Link free?

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

### Which has better reviews, Flir One or TrailCam Link?

Flir One is rated higher. Flir One averages 4.6 out of 5 from 7.6K ratings, while TrailCam Link averages 1.0 from 2 ratings.

### Do Flir One or TrailCam Link have ads?

Neither Flir One nor TrailCam Link shows ads.

### Which is updated more often, Flir One or TrailCam Link?

Flir One ships an update every 5 weeks, and TrailCam Link every 3 months. Most recently, Flir One was updated on October 29, 2026 and TrailCam Link on October 20, 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.*