# Chromatic Vision Simulator vs Occluder

The clearest difference is price: Chromatic Vision Simulator at Free against Occluder's $0.99. Chromatic Vision Simulator also leads on update cadence (every 11 months vs every 51 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Chromatic Vision Simulator is free to download; Occluder costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Chromatic Vision Simulator ships an update every 11 months, Occluder every 51 months. The most recent releases landed on September 15, 2026 and May 16, 2026 respectively.

## The numbers

| Metric | Chromatic Vision Simulator | Occluder |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.4 (58 ratings)](https://appshunter.io/ios/app/chromatic-vision-simulator/id389310222/reviews)** | — |
| Number of ratings | **58** | — |
| Positive reviews | 84.9% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 11 months** | Every 51 months |
| Monetization | Free | — |
| Size | 6 MB | 2 MB |
| Requires iOS | **14.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kazunori Asada](https://appshunter.io/developer/388924061) | [Ivan Cabezon Orjales](https://appshunter.io/developer/347664743) |

## What reviewers say

### Chromatic Vision Simulator

[App page](https://appshunter.io/ios/app/chromatic-vision-simulator/id389310222)

Simulate various types of color vision deficiencies in real-time using your device's camera or photos. Understand how individuals with protanopia, deuteranopia, or tritanopia perceive the world by visualizing color differences.

**Highlights:** Simulates color vision deficiencies, Real-time camera simulation, Photo simulation, Supports protanope/protanomal, Supports deuteranope/deuteranomal, Supports tritanope/tritanomal

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

**In-app purchases:** none


### Occluder

[App page](https://appshunter.io/ios/app/occluder/id1116490982)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Chromatic Vision Simulator free?

Chromatic Vision Simulator is free to download, with no in-app purchases.

### Is Occluder free?

Occluder costs $0.99, with no in-app purchases.

### Do Chromatic Vision Simulator or Occluder have ads?

Neither Chromatic Vision Simulator nor Occluder shows ads.

### Which is updated more often, Chromatic Vision Simulator or Occluder?

Chromatic Vision Simulator ships an update every 11 months, and Occluder every 51 months. Most recently, Chromatic Vision Simulator was updated on September 15, 2026 and Occluder on May 16, 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.*