# FLIR Tools vs SIONYX

The clearest difference is rating: SIONYX at 2.7 against FLIR Tools's 1.8. SIONYX also leads on review sentiment (27% vs 18%) and iOS requirement (15.6 vs 18.0). FLIR Tools's advantage is update cadence (monthly vs every 5 months). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

SIONYX holds the better App Store score, 2.7 against 1.8. Both are backed by a comparable volume of ratings — 19 and 15 respectively. Written reviews point the same way: 18% of FLIR Tools's written reviews are positive against 27% of SIONYX's.

FLIR Tools ships an update monthly, SIONYX every 5 months. The most recent releases landed on October 26, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | FLIR Tools | SIONYX |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.8 (19 ratings)](https://appshunter.io/ios/app/flir-tools/id511247887/reviews) | **[2.7 (15 ratings)](https://appshunter.io/ios/app/sionyx/id1642888573/reviews)** |
| Number of ratings | **19** | 15 |
| Positive reviews | 17.7% of reviews | **27.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 5 months |
| Monetization | Free | Free |
| Size | 192 MB | 128 MB |
| Requires iOS | 18.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [FLIR Systems Aktiebolag](https://appshunter.io/developer/408612990) | [SiOnyx, LLC](https://appshunter.io/developer/1418868781) |

## What reviewers say

### FLIR Tools

[App page](https://appshunter.io/ios/app/flir-tools/id511247887)

This app allows professional thermographers to view and capture live infrared video and stills from select FLIR cameras on their mobile devices. It enables remote operation of cameras, data analysis, and report generation for thermal imaging inspections.

**Highlights:** Live infrared video streaming, Remote camera operation, Import and analyze thermal images, Measurement tools, Create and email reports, Image information display, Control camera settings

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 📱 Works well with compatible cameras for image transfer
- 🎨 Good editing tools for thermal image analysis
- 📊 Useful for field reporting and client presentations
- 🔧 Spot temperature measurement and annotation features
- ⚡ Quick image review capability in the field

**What reviewers complain about**

- 🔌 Persistent connection issues with cameras
- 🐛 Frequent app crashes and freezing
- 📉 Significant loss of features after updates
- 🚫 Limited device compatibility despite marketing
- ⚠️ Poor remote control functionality

**Reported bugs**

- App fails to detect cameras on same network
- Connection timeout errors when attempting to import
- App crashes when creating or exporting reports
- Freezing during image import process
- Device discovery never locates camera

**Requested features**

- Restore remote control capabilities for camera adjustment
- Enable bulk select-all and batch delete/save operations
- Add image editing features (palette, level, span adjustments)
- Restore multiple report templates and layout options
- Support for Bluetooth connectivity on older cameras


### SIONYX

[App page](https://appshunter.io/ios/app/sionyx/id1642888573)

Stream video and control your SIONYX Nightwave and OPSIN devices. This app allows for seamless command and upgrade functions for your compatible night vision equipment.

**Highlights:** Video streaming, Command and control functions, Device upgrades, Nightwave device support, OPSIN device support

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is FLIR Tools free?

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

### Is SIONYX free?

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

### Which has better reviews, FLIR Tools or SIONYX?

SIONYX is rated higher. FLIR Tools averages 1.8 out of 5 from 19 ratings, while SIONYX averages 2.7 from 15 ratings.

### Do FLIR Tools or SIONYX have ads?

Neither FLIR Tools nor SIONYX shows ads.

### Which is updated more often, FLIR Tools or SIONYX?

FLIR Tools ships an update monthly, and SIONYX every 5 months. Most recently, FLIR Tools was updated on October 26, 2026 and SIONYX on October 6, 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.*