PDF OCR Pro vs ScanBig
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PDF OCR Pro
This app offers a comprehensive suite of tools for managing PDF files. It allows you to extract text using OCR, convert PDFs to images, secure documents with passwords, and merge or split files. It also enables creating PDFs from images and converting webpages into PDF format, all while ensuring your data remains private through offline processing.
- Extract text with OCR
- Convert PDF to images
- Secure PDFs with passwords
- Merge or split PDFs
- Create PDFs from images
- Convert webpages to PDF
- Compress file size
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Struggling with PDF files? Say hello to PDFOCR—your all-in-one toolkit for managing and enhancing PDF documents! Whether you’re dealing with scanned PDFs without searchable text, or need specific features for better file sharing, PDFOCR makes it simple and efficient: • Extract Text with OCR: Convert scanned PDFs into searchable files by extracting embedded text. • Convert PDF to Images: Need images instead? Turn PDF pages into high-quality images with ease. • Secure Your PDFs: Add passwords or set permissions to control access, copying, or printing. • Merge or Split PDFs: Combine multiple PDFs into one, or split large documents as needed. • Create PDFs from Images: Batch your images into a single, polished PDF file. • Webpage to PDF: You can turn a long webpage into multiple PDF pages. Your Privacy Matters All tasks are performed offline, ensuring your documents are never uploaded to a server. Additional Features Include: • Compress file size without quality loss. • Extract specific text or pages from PDFs. • Remove security restrictions effortlessly. PDFOCR is continually updated with new tools to make your PDF tasks easier! Currently Available Tools: • OCR PDF • Manage Passwords & Permissions • Remove Security • Optimize File Size • Convert Images to PDF • Convert a Webpage to PDF • Merge or Split PDFs • Convert PDFs to Images • Extract TXT, RTF, or Specific Pages Have questions or feedback? Contact us anytime at support@layerz.app. Your perfect PDF assistant is here—try PDFOCR today!
ScanBig
This app helps you reclaim storage space by identifying and managing large media files like photos and videos. It offers smart scanning, quick deletion, and iCloud integration to efficiently clean up your device.
- Smart scanning for large files
- Supports photos and videos
- Quick deletion of unwanted files
- iCloud integration
- Multilingual support
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Large Media Finder Easily manage and clean up large files on your device for more efficient storage! Large Media Finder is a powerful tool designed to help you identify and manage large files, such as photos and videos, on your device. With its intelligent scanning feature, you can quickly locate the files taking up the most space and manage them with ease. Key Features: • Smart Scanning: Quickly scan your device to find the largest files, and view detailed information such as file size, type, and date. • Supports Various File Types: Manage common media files like photos and videos effortlessly. • Quick Deletion: Easily delete unnecessary large files to free up storage space. • iCloud Integration: Access, view, and manage files stored in iCloud seamlessly. • Multilingual Support: Available in English and Simplified Chinese to cater to a global audience. Who Is It For?: • Users running out of storage space. • Those who regularly organize their photos and videos. • Anyone looking to quickly find and remove large files. Download Large Media Finder now and give your device storage a fresh start!
Screenshots
Verdict
The clearest difference is in-app purchases: PDF OCR Pro at none against ScanBig's 1. PDF OCR Pro also leads on ratings volume (6 vs 1). ScanBig's advantage is iOS requirement (15.6 vs 17.0). On price, rating, update cadence and ads there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. ScanBig sells 1 one-off in-app purchase. PDF OCR Pro asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 5.0 for PDF OCR Pro against 5.0 for ScanBig. That said, the two scores are not equally well evidenced: PDF OCR Pro has 6 ratings behind it against 1, so its average is the more settled of the two.
Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on August 17, 2026 and September 11, 2026 respectively.
| Parameter | PDF OCR Pro | ScanBig |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (6 ratings) | 5.0 (1 ratings) |
| Number of ratings | 6 — better | 1 |
| Update frequency | Fortnightly | Fortnightly |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 17.0 | 15.6 — better |
| Further details — not scored | ||
| Size | 6 MB | 28 MB |
| Age rating | 17+ | 4+ |
| Developer | Layerz Corp. | 杭州引力网络技术有限公司 |
Customer experience
PDF OCR Pro
ScanBig
In-app purchases
PDF OCR Pro
No in-app purchases
ScanBig
- ScanBig VIP$3.99








