# Ad blocker vs PDFAI Scan

The clearest difference is price: PDFAI Scan at Free against Ad blocker's $7.99. PDFAI Scan also leads on rating (5.0 vs 3.8) and update cadence (every 6 weeks vs every 7 months). Ad blocker's advantage is in-app purchases (none vs 3) and ratings volume (52 vs 7). On ads and device support there is nothing between them.

PDFAI Scan is free to download; Ad blocker costs $7.99 up front. PDFAI Scan sells 3 in-app purchases, starting at $3.99 per 7 days. Ad blocker asks for nothing beyond the download.

PDFAI Scan holds the better App Store score, 5.0 against 3.8. That said, the two scores are not equally well evidenced: Ad blocker has 52 ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 34% of Ad blocker's written reviews are positive against 50% of PDFAI Scan's.

Ad blocker ships an update every 7 months, PDFAI Scan every 6 weeks. The most recent releases landed on October 11, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Ad blocker | PDFAI Scan |
| --- | --- | --- |
| Price | $7.99 | **Free** |
| Rating | [3.8 (52 ratings)](https://appshunter.io/ios/app/ad-blocker-remove-ads/id1536926489/reviews) | **[5.0 (7 ratings)](https://appshunter.io/ios/app/pdfai-scan-document-scanner/id6654887952/reviews)** |
| Number of ratings | **52** | 7 |
| Positive reviews | 34.2% of reviews | **50.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 6 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 29 MB | 69 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [婧 李](https://appshunter.io/developer/513574176) | [Duc Lai](https://appshunter.io/developer/1763002953) |

## What reviewers say

### Ad blocker

[App page](https://appshunter.io/ios/app/ad-blocker-remove-ads/id1536926489)

This app effectively blocks all types of advertisements within Safari, including pop-ups, trackers, and other web annoyances. It enhances browsing speed, reduces data usage, and protects user privacy by preventing tracking. Users can customize blocking preferences and enjoy a cleaner, faster web experience.

**Highlights:** Blocks all kinds of ads in Safari, Protects privacy by blocking trackers, Whitelist/blacklist customization, Faster web surfing speed, Lower data usage and improved battery life, Works in Safari and apps using Safari

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

**In-app purchases:** none


### PDFAI Scan

[App page](https://appshunter.io/ios/app/pdfai-scan-document-scanner/id6654887952)

Transform your device into a smart document scanner with AI-powered study tools. Easily scan, convert, and enhance documents, then leverage AI for summaries, flashcards, and interactive quizzes. Listen to documents read aloud and share your work in various formats.

**Highlights:** AI-powered document scanning, OCR text extraction, AI study tools (summaries, flashcards, quizzes), Text-to-Speech functionality, Export to PDF, Word, Text, Images, iCloud sync across devices

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PDFAI Scan Premium Weekly | $3.99 | per 7 days |
| PDFAI Scan Premium Monthly | $4.99 | per month |
| Premium Account(1 year) | $39.99 | per year |


## Frequently asked questions

### Is Ad blocker free?

Ad blocker costs $7.99, with no in-app purchases.

### Is PDFAI Scan free?

PDFAI Scan is free to download, with in-app purchases available.

### Which has better reviews, Ad blocker or PDFAI Scan?

PDFAI Scan is rated higher. Ad blocker averages 3.8 out of 5 from 52 ratings, while PDFAI Scan averages 5.0 from 7 ratings.

### Do Ad blocker or PDFAI Scan have ads?

Neither Ad blocker nor PDFAI Scan shows ads.

### Which is updated more often, Ad blocker or PDFAI Scan?

Ad blocker ships an update every 7 months, and PDFAI Scan every 6 weeks. Most recently, Ad blocker was updated on October 11, 2026 and PDFAI Scan on October 12, 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.*