# Colorimeter App vs CyanSensor

The clearest difference is in-app purchases: CyanSensor at none against Colorimeter App's 2. CyanSensor also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Colorimeter App sells 2 in-app purchases, starting at $0.49 per month. CyanSensor asks for nothing beyond the download.

Colorimeter App ships an update every 3 weeks, CyanSensor every 2 weeks. The most recent releases landed on September 24, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Colorimeter App | CyanSensor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (137 ratings)](https://appshunter.io/ios/app/colorimeter-app/id1542365656/reviews)** | — |
| Number of ratings | **137** | — |
| Positive reviews | 64.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 37 MB | 79 MB |
| Requires iOS | **14.1** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Serhii Smyk](https://appshunter.io/developer/980088183) | [AirCarto](https://appshunter.io/developer/1867723261) |

## What reviewers say

### Colorimeter App

[App page](https://appshunter.io/ios/app/colorimeter-app/id1542365656)

Capture and analyze colors from your camera or photos. Get detailed information, convert between various color formats, and access extensive color lists. Includes tools for color mixing, difference calculation, and even color blindness tests.

**Highlights:** Pick color from camera, Pick color from photos, Color conversion, Color mixer, Color difference calculation, CSS and RAL color lists, Color blindness tests

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium for 1 month | $0.49 | per month |
| Premium for 1 year | $1.99 | per year |


### CyanSensor

[App page](https://appshunter.io/ios/app/cyansensor/id6757758735)

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

**In-app purchases:** none


## Frequently asked questions

### Is Colorimeter App free?

Colorimeter App is free to download, with in-app purchases available.

### Is CyanSensor free?

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

### Do Colorimeter App or CyanSensor have ads?

Colorimeter App shows ads; CyanSensor does not.

### Which is updated more often, Colorimeter App or CyanSensor?

Colorimeter App ships an update every 3 weeks, and CyanSensor every 2 weeks. Most recently, Colorimeter App was updated on September 24, 2026 and CyanSensor 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.*