# 颜色识别(色弱 色盲) vs Link Auth

The clearest difference is update cadence: 颜色识别(色弱 色盲) at every 3 weeks against Link Auth's every 2 months. 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.

颜色识别(色弱 色盲) ships an update every 3 weeks, Link Auth every 2 months. The most recent releases landed on October 3, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | 颜色识别(色弱 色盲) | Link Auth |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/id6478074612/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Free | — |
| Size | 7 MB | 39 MB |
| Requires iOS | **15.0** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [voidcat](https://appshunter.io/developer/1701597923) | [Hangzhou Lingke Networks Technology Co.Ltd](https://appshunter.io/developer/1488305882) |

## What reviewers say

### 颜色识别(色弱 色盲)

[App page](https://appshunter.io/ios/app/id6478074612)

This app helps individuals with color blindness or color weakness accurately identify colors in their surroundings. It offers real-time camera recognition and image analysis, with customizable settings for a personalized experience.

**Highlights:** Real-time camera color recognition, Image analysis for color identification, Customizable sensitivity and display, Assists with color blindness and weakness, Personalized color experience

**Features:** macOS Compatibility

**In-app purchases:** none


### Link Auth

[App page](https://appshunter.io/ios/app/link-auth/id6787915416)

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

**In-app purchases:** none


## Frequently asked questions

### Is 颜色识别(色弱 色盲) free?

颜色识别(色弱 色盲) is free to download, with no in-app purchases.

### Is Link Auth free?

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

### Do 颜色识别(色弱 色盲) or Link Auth have ads?

Neither 颜色识别(色弱 色盲) nor Link Auth shows ads.

### Which is updated more often, 颜色识别(色弱 色盲) or Link Auth?

颜色识别(色弱 色盲) ships an update every 3 weeks, and Link Auth every 2 months. Most recently, 颜色识别(色弱 色盲) was updated on October 3, 2026 and Link Auth on September 10, 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.*