# Sim Daltonism vs Dehancer Color Test

The clearest difference is update cadence: Dehancer Color Test at every 2 months against Sim Daltonism's every 10 months. Sim Daltonism's advantage is device support (3 vs 1) and iOS requirement (9.0 vs 16.6). On price, rating, review sentiment and ratings volume there is nothing between them.

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

On the App Store both sit at effectively the same score — 4.8 for Sim Daltonism against 4.9 for Dehancer Color Test. Both are backed by a comparable volume of ratings — 167 and 100 respectively. Written reviews are what separate them: 96% of Sim Daltonism's written reviews are positive against 100% of Dehancer Color Test's.

Sim Daltonism ships an update every 10 months, Dehancer Color Test every 2 months. The most recent releases landed on October 21, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Sim Daltonism | Dehancer Color Test |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (167 ratings)](https://appshunter.io/ios/app/sim-daltonism/id1050503579/reviews) | **[4.9 (100 ratings)](https://appshunter.io/ios/app/dehancer-color-test/id6447295449/reviews)** |
| Number of ratings | **167** | 100 |
| Positive reviews | 96.4% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 2 MB | 46 MB |
| Requires iOS | **9.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Michel Fortin](https://appshunter.io/developer/692938914) | [Dehancer L.L.C-FZ](https://appshunter.io/developer/1809973042) |

## What reviewers say

### Sim Daltonism

[App page](https://appshunter.io/ios/app/sim-daltonism/id1050503579)

Visualize the world through the eyes of someone with color blindness. This app simulates various types of color vision deficiencies, allowing users to understand color perception differences. It's useful for improving design accessibility and gaining empathy.

**Highlights:** Simulates red-green color blindness, Simulates blue-yellow color blindness, Simulates monochromacy, Real-time camera view, Improves design accessibility, Open source

**In-app purchases:** none


### Dehancer Color Test

[App page](https://appshunter.io/ios/app/dehancer-color-test/id6447295449)

This experimental tool assesses your ability to perceive colors under various display conditions. It provides two key metrics: the number of colors you can distinguish and how effectively your current perception matches your theoretical potential. Regular use may help improve your visual perception of color nuances.

**Highlights:** Color perception assessment, Measures perceived colors, Evaluates perceptual effectiveness, Aids in improving visual vision, Based on expert color study, Anonymized data collection

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Sim Daltonism free?

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

### Is Dehancer Color Test free?

Dehancer Color Test is free to download, with no in-app purchases.

### Which has better reviews, Sim Daltonism or Dehancer Color Test?

Dehancer Color Test is rated higher. Sim Daltonism averages 4.8 out of 5 from 167 ratings, while Dehancer Color Test averages 4.9 from 100 ratings.

### Do Sim Daltonism or Dehancer Color Test have ads?

Neither Sim Daltonism nor Dehancer Color Test shows ads.

### Which is updated more often, Sim Daltonism or Dehancer Color Test?

Sim Daltonism ships an update every 10 months, and Dehancer Color Test every 2 months. Most recently, Sim Daltonism was updated on October 21, 2026 and Dehancer Color Test on October 19, 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.*