# Hue Perceive vs PDF AI Scanner

The clearest difference is in-app purchases: Hue Perceive at none against PDF AI Scanner's 3. Hue Perceive also leads on review sentiment (100% vs 71%) and rating (5.0 vs 4.6). PDF AI Scanner's advantage is ratings volume (13 vs 2). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. PDF AI Scanner sells 3 in-app purchases, starting at $4.99 per 7 days. Hue Perceive asks for nothing beyond the download.

Hue Perceive holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: PDF AI Scanner has 13 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 100% of Hue Perceive's written reviews are positive against 71% of PDF AI Scanner's.

Hue Perceive ships an update monthly, PDF AI Scanner every 2 months. The most recent releases landed on October 24, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Hue Perceive | PDF AI Scanner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/hue-perceive/id6740135195/reviews)** | [4.6 (13 ratings)](https://appshunter.io/ios/app/pdf-ai-scanner/id6740202256/reviews) |
| Number of ratings | 2 | **13** |
| Positive reviews | **100.0% of reviews** | 71.4% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 84 MB | 38 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Guangzhou Jinchuchi Electronics Co.,Ltd.](https://appshunter.io/developer/1788458205) | [HONGKONG ADHEROS LIMITED](https://appshunter.io/developer/1788020856) |

## What reviewers say

### Hue Perceive

[App page](https://appshunter.io/ios/app/hue-perceive/id6740135195)

Experience the world through the eyes of color-blind individuals with real-time camera filters and image simulations. Includes an Ishihara test for detection and educational content on the causes and understanding of color blindness.

**Highlights:** Real-time camera color blindness simulation, Image simulation for various color blindness types, Ishihara test for color blindness detection, Educational content on color blindness causes, Simulates red-green, blue-yellow, and total color blindness

**Features:** macOS Compatibility

**In-app purchases:** none


### PDF AI Scanner

[App page](https://appshunter.io/ios/app/pdf-ai-scanner/id6740202256)

Easily convert documents between PDF, image, and text formats. Extract text from images and scanned documents with advanced OCR technology, supporting multiple languages. Preview files quickly and conveniently.

**Highlights:** PDF to Image conversion, PDF to Text conversion, Image to PDF conversion, OCR text recognition, Multilingual support, File preview

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Plan | $4.99 | per 7 days |
| Monthly Plan | $7.99 | per month |
| Yearly plan | $9.99 | per year |


## Frequently asked questions

### Is Hue Perceive free?

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

### Is PDF AI Scanner free?

PDF AI Scanner is free to download, with in-app purchases available.

### Which has better reviews, Hue Perceive or PDF AI Scanner?

Hue Perceive is rated higher. Hue Perceive averages 5.0 out of 5 from 2 ratings, while PDF AI Scanner averages 4.6 from 13 ratings.

### Do Hue Perceive or PDF AI Scanner have ads?

Both Hue Perceive and PDF AI Scanner show ads.

### Which is updated more often, Hue Perceive or PDF AI Scanner?

Hue Perceive ships an update monthly, and PDF AI Scanner every 2 months. Most recently, Hue Perceive was updated on October 24, 2026 and PDF AI Scanner on October 30, 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.*