# ScamAdviser vs PDF Reader

The clearest difference is rating: PDF Reader at 4.7 against ScamAdviser's 3.2. PDF Reader also leads on in-app purchases (none vs 2) and review sentiment (50% vs 18%). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. ScamAdviser sells 2 in-app purchases, starting at $1.99 per month. PDF Reader asks for nothing beyond the download.

PDF Reader holds the better App Store score, 4.7 against 3.2. Both are backed by a comparable volume of ratings — 17 and 64 respectively. Written reviews point the same way: 18% of ScamAdviser's written reviews are positive against 50% of PDF Reader's.

ScamAdviser ships an update every 3 weeks, PDF Reader every 6 days. The most recent releases landed on October 10, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | ScamAdviser | PDF Reader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.2 (17 ratings)](https://appshunter.io/ios/app/scamadviser-scam-checker/id6480509109/reviews) | **[4.7 (64 ratings)](https://appshunter.io/ios/app/pdf-reader-viewer/id6746119431/reviews)** |
| Number of ratings | 17 | **64** |
| Positive reviews | 18.2% of reviews | **50.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 3 weeks | **Every 6 days** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 81 MB | 116 MB |
| Requires iOS | 16.0 | 16 |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Ecommerce Operations B.V.](https://appshunter.io/developer/1725175422) | [All About Housing LLC](https://appshunter.io/developer/1773925650) |

## What reviewers say

### ScamAdviser

[App page](https://appshunter.io/ios/app/scamadviser-scam-checker/id6480509109)

This app helps protect you from online scams, including fake calls, romance scams, and phishing links. It offers automatic call blocking, a personal block list, and real-time website protection to detect risky sites and malicious software.

**Highlights:** Automatic spam call blocking, Personalized block list, Real-time website protection, Instant link legitimacy checker, Phishing and malware detection, Tax safety features

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ScamAdviser Premium (Monthly) | $1.99 | per month |
| ScamAdviser Premium (Yearly) | $19.99 | per year |


### PDF Reader

[App page](https://appshunter.io/ios/app/pdf-reader-viewer/id6746119431)

This app provides a privacy-focused way to view, organize, and manage PDF files on your device. It offers tools for merging, splitting, securing documents, and converting images to PDF, all processed locally for enhanced data safety.

**Highlights:** View and organize PDF files, Merge and split PDFs, Secure documents with passwords, Convert images to PDF, Built-in document scanner, Local data processing for privacy

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

**In-app purchases:** none


## Frequently asked questions

### Is ScamAdviser free?

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

### Is PDF Reader free?

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

### Which has better reviews, ScamAdviser or PDF Reader?

PDF Reader is rated higher. ScamAdviser averages 3.2 out of 5 from 17 ratings, while PDF Reader averages 4.7 from 64 ratings.

### Do ScamAdviser or PDF Reader have ads?

Both ScamAdviser and PDF Reader show ads.

### Which is updated more often, ScamAdviser or PDF Reader?

ScamAdviser ships an update every 3 weeks, and PDF Reader every 6 days. Most recently, ScamAdviser was updated on October 10, 2026 and PDF Reader on October 3, 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.*