# C vs FLIR Tools

The clearest difference is price: FLIR Tools at Free against C's $2.99. FLIR Tools also leads on rating (1.8 vs 1.0) and update cadence (monthly vs every 14 months). C's advantage is iOS requirement (13.0 vs 18.0). On ads, in-app purchases and device support there is nothing between them.

FLIR Tools is free to download; C costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

FLIR Tools holds the better App Store score, 1.8 against 1.0. That said, the two scores are not equally well evidenced: FLIR Tools has 19 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 0% of C's written reviews are positive against 18% of FLIR Tools's.

C ships an update every 14 months, FLIR Tools monthly. The most recent releases landed on October 2, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | C | FLIR Tools |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/c-measure/id397314427/reviews) | **[1.8 (19 ratings)](https://appshunter.io/ios/app/flir-tools/id511247887/reviews)** |
| Number of ratings | 1 | **19** |
| Positive reviews | 0.0% of reviews | **17.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 14 months | **Monthly** |
| Monetization | Paid | **Free** |
| Size | 4 MB | 192 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [alpha prompt co.,ltd.](https://appshunter.io/developer/391698490) | [FLIR Systems Aktiebolag](https://appshunter.io/developer/408612990) |

## What reviewers say

### C

[App page](https://appshunter.io/ios/app/c-measure/id397314427)

This app analyzes photographs to display the color of any point in XYZ and L*a*b* color spaces. It also allows for measuring the distance between two colors within the L*a*b* color space. Calibration options are available for matching camera characteristics and photography environments.

**Highlights:** Color measurement in XYZ and L*a*b*, Distance measurement between colors, Camera characteristic adjustment, Photography environment calibration, Color checker calibration

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is C free?

C costs $2.99, with no in-app purchases.

### Is FLIR Tools free?

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

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

FLIR Tools is rated higher. C averages 1.0 out of 5 from 1 ratings, while FLIR Tools averages 1.8 from 19 ratings.

### Do C or FLIR Tools have ads?

Neither C nor FLIR Tools shows ads.

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

C ships an update every 14 months, and FLIR Tools monthly. Most recently, C was updated on October 2, 2026 and FLIR Tools on October 14, 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.*