# CSN vs Color Blind Test App

The clearest difference is update cadence: CSN at every 10 days against Color Blind Test App's every 5 weeks. CSN also leads on iOS requirement (12.0 vs 15.6). On price, ads, in-app purchases and device support there is nothing between them.

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

CSN ships an update every 10 days, Color Blind Test App every 5 weeks. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | CSN | Color Blind Test App |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 5 weeks |
| Monetization | Free | — |
| Size | 70 MB | 11 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [c.w. desjarlais inc](https://appshunter.io/developer/626194832) | [Test Apps Limited](https://appshunter.io/developer/1448821868) |

## What reviewers say

### CSN

[App page](https://appshunter.io/ios/app/csn/id6451398695)

This app educates children and families on crucial safety topics including fire, rural dangers, drugs, and general health. It features definitions for important life values and engaging safety videos to promote well-being.

**Highlights:** Fire safety education, Rural safety information, Drug awareness, Health safety tips, Definitions of life values, Safety videos

**In-app purchases:** none


### Color Blind Test App

[App page](https://appshunter.io/ios/app/color-blind-test-app/id6761285314)

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

**In-app purchases:** none


## Frequently asked questions

### Is CSN free?

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

### Is Color Blind Test App free?

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

### Do CSN or Color Blind Test App have ads?

Neither CSN nor Color Blind Test App shows ads.

### Which is updated more often, CSN or Color Blind Test App?

CSN ships an update every 10 days, and Color Blind Test App every 5 weeks. Most recently, CSN was updated on October 24, 2026 and Color Blind Test App on October 28, 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.*