# PDF Reader Pro vs Smart PDF

The clearest difference is in-app purchases: Smart PDF at none against PDF Reader Pro's 9. Smart PDF also leads on ads (none vs shown). PDF Reader Pro's advantage is rating (4.5 vs 4.1) and review sentiment (48% vs 25%). On price, ratings volume, update cadence and device support there is nothing between them.

Both are free to download. PDF Reader Pro sells 9 in-app purchases, starting at $3.99 per 7 days. Smart PDF asks for nothing beyond the download.

PDF Reader Pro holds the better App Store score, 4.5 against 4.1. Both are backed by a comparable volume of ratings — 1.4K and 1.2K respectively. Written reviews point the same way: 48% of PDF Reader Pro's written reviews are positive against 25% of Smart PDF's.

PDF Reader Pro ships an update every 2 weeks, Smart PDF weekly. Both last shipped on September 25, 2026.

## The numbers

| Metric | PDF Reader Pro | Smart PDF |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (1.4K ratings)](https://appshunter.io/ios/app/pdf-reader-pro-scan-and-convert/id6742165758/reviews)** | [4.1 (1.2K ratings)](https://appshunter.io/ios/app/smart-pdf/id6744004415/reviews) |
| Number of ratings | **1.4K** | 1.2K |
| Positive reviews | **47.6% of reviews** | 25.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | **Weekly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 69 MB | 34 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 9+ |
| Developer | [thuy nguyen thi thu](https://appshunter.io/developer/1437978558) | [ORBITAL TECH PTE. LTD.](https://appshunter.io/developer/1705364538) |

## What reviewers say

### PDF Reader Pro

[App page](https://appshunter.io/ios/app/pdf-reader-pro-scan-and-convert/id6742165758)

This app offers a comprehensive suite of tools for managing PDF documents. It allows users to quickly view, scan, edit, and convert PDFs, with features like OCR, annotation, and secure file management. It's designed for efficient handling of all your PDF needs on iOS devices.

**Highlights:** Fast PDF reader and viewer, Advanced document scanner with OCR, Powerful PDF converter, Professional PDF editor with annotation, Smart file manager, HWP file reader

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $3.99 | per 7 days |
| Weekly Special | $3.99 | per 7 days |
| Weekly | $6.99 | per 7 days |
| Weekly | $12.99 | per 7 days |
| Yearly Premium | $39.99 | per year |
| Yearly | $39.99 | per year |
| Yearly | $39.99 | per year |
| Yearly Premium | $49.99 | per year |
| Yearly Premium | $49.99 | per year |


### Smart PDF

[App page](https://appshunter.io/ios/app/smart-pdf/id6744004415)

Easily manage and process PDF files with this powerful tool. Convert PDFs to images, create PDFs from images, and merge multiple documents seamlessly. Streamline your workflow and enhance productivity with its intuitive interface.

**Highlights:** Convert PDFs to images, Transform images into PDFs, Merge multiple PDF files, Intuitive interface, Boost productivity

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

**In-app purchases:** none


## Frequently asked questions

### Is PDF Reader Pro free?

PDF Reader Pro is free to download, with in-app purchases available.

### Is Smart PDF free?

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

### Which has better reviews, PDF Reader Pro or Smart PDF?

PDF Reader Pro is rated higher. PDF Reader Pro averages 4.5 out of 5 from 1.4K ratings, while Smart PDF averages 4.1 from 1.2K ratings.

### Do PDF Reader Pro or Smart PDF have ads?

PDF Reader Pro shows ads; Smart PDF does not.

### Which is updated more often, PDF Reader Pro or Smart PDF?

PDF Reader Pro ships an update every 2 weeks, and Smart PDF weekly. Most recently, PDF Reader Pro was updated on September 25, 2026 and Smart PDF on September 25, 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.*