# Flir One vs HD WiFi

The clearest difference is rating: Flir One at 4.6 against HD WiFi's 2.2. Flir One also leads on ratings volume (7.6K vs 221). HD WiFi's advantage is in-app purchases (none vs 1) and iOS requirement (9.0 vs 18.0). On price, review sentiment, update cadence and ads there is nothing between them.

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

Flir One holds the better App Store score, 4.6 against 2.2. That said, the two scores are not equally well evidenced: Flir One has 7.6K ratings behind it against 221, so its average is the more settled of the two. Written reviews point the same way: 22% of Flir One's written reviews are positive against 18% of HD WiFi's.

Flir One ships an update every 5 weeks, HD WiFi monthly. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Flir One | HD WiFi |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (7.6K ratings)](https://appshunter.io/ios/app/flir-one/id875842742/reviews)** | [2.2 (221 ratings)](https://appshunter.io/ios/app/hd-wifi/id1297887877/reviews) |
| Number of ratings | **7.6K** | 221 |
| Positive reviews | **21.6% of reviews** | 18.1% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Monthly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 178 MB | 9 MB |
| Requires iOS | 18.0 | **9.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [FLIR Systems Aktiebolag](https://appshunter.io/developer/408612990) | [志强 童](https://appshunter.io/developer/1214909933) |

## 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


### HD WiFi

[App page](https://appshunter.io/ios/app/hd-wifi/id1297887877)

Stream live video from your device over WiFi. Capture photos and videos for later access. Ideal for various applications including aerial photography, industrial inspection, and as a wireless reversing camera.

**Highlights:** WiFi video streaming, Photo capture, Video recording, Non-destructive testing, Wireless media transfer

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- ✅ Works well when properly configured
- 📸 Good image quality for the price
- 🎥 Records video and photos
- 💰 Affordable budget option
- 🔄 Rotation and resolution adjustment features

**What reviewers complain about**

- 🐛 Black screen issues after updates
- 📡 WiFi connectivity problems
- ❌ Incompatible with newer iOS versions
- 🔌 WiFi password limitations (no special characters)
- ⚠️ App freezes frequently

**Reported bugs**

- Black screen display on app launch
- WiFi connection drops unexpectedly
- App freezes when changing resolution
- TIPS set fail error message
- App crashes on iOS updates

**Requested features**

- Update app for latest iOS versions
- Add timestamp feature for photos
- Improve aspect ratio handling
- Better export/sharing functionality
- Ability to change default WiFi credentials


## Frequently asked questions

### Is Flir One free?

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

### Is HD WiFi free?

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

### Which has better reviews, Flir One or HD WiFi?

Flir One is rated higher. Flir One averages 4.6 out of 5 from 7.6K ratings, while HD WiFi averages 2.2 from 221 ratings.

### Do Flir One or HD WiFi have ads?

Neither Flir One nor HD WiFi shows ads.

### Which is updated more often, Flir One or HD WiFi?

Flir One ships an update every 5 weeks, and HD WiFi monthly. Most recently, Flir One was updated on October 29, 2026 and HD WiFi 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.*