Comparison

PDF Scanner App vs PDF Compressor App

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

PDF Scanner App

Transform your device into a powerful, offline PDF scanner and OCR tool. Quickly scan, sign, and organize documents with advanced editing features and secure, on-device processing. Extract text from images and scan QR codes effortlessly.

Highlights
  • Offline document scanning
  • OCR text extraction
  • Digital signature addition
  • QR code and barcode scanning
  • Automatic edge detection
  • Multi-page document support
  • On-device privacy
Features
Read full description

PDF Scanner App – Scan, OCR & Manage PDFs Securely Turn your iPhone into a powerful PDF scanner and text recognition tool — fast, private, and completely offline. Scan, sign, and organize documents effortlessly anytime, anywhere. KEY FEATURES: Document Scanning - Quick Scan for single-page documents - Multi-Scan for multi-page documents - Automatic document edge detection - Smart image enhancement with multiple filters (Original, Grayscale, Black & White, High Contrast) - Real-time document frame guidance PDF Management & Editing - Export scanned documents as PDFs - Add digital signatures to PDFs - Adjust signature size and position with intuitive controls - Choose between standard paper sizes (US Letter or A4) - Easy PDF sharing options Text Recognition (OCR) - Accurate text extraction from images - Support for multiple languages including English, Chinese (Simplified & Traditional), Japanese, Korean, and more - Instant text recognition without internet connection - Copy and share extracted text easily QR Code & Barcode Scanner - Fast and accurate code detection - Support for various code formats - Instant results display - One-tap copy function Professional Image Processing - Automatic perspective correction - Default high contrast enhancement for better readability - One-touch image rotation and adjustment - High-quality output for professional documents Document Management - Organized document library - Chronological sorting - Quick preview - Multi-page document support - Document tagging system for easy categorization PRIVACY FIRST: - All processing happens on your device - No cloud storage or transmission - No internet connection required - Your documents stay private Perfect for: - Students capturing lecture notes - Professionals digitizing documents - Anyone needing to sign and share PDFs - Quick document digitization - Scanning and managing receipts - Reading QR codes and barcodes - Creating multi-page documents from physical papers Download PDF Scanner App now and enjoy fast, secure document scanning — right on your iPhone.

About

PDF Compressor App

Reduce the size of PDF documents and images on your iPhone with this privacy-focused tool. Choose from three compression levels to balance file size and quality, and easily manage, save, or share your compressed files offline.

Highlights
  • Compress PDF documents
  • Compress images (JPG, PNG)
  • Three compression levels
  • Offline functionality
  • Secure and private
  • Manage compressed files
  • Instant sharing
Features
Read full description

PDF Converter & Compressor – Fast, Smart & Secure Easily compress PDF files and images on your iPhone with PDF Converter & Compressor — a simple, powerful, and privacy-focused tool designed to reduce file size without compromising quality. Whether you need to share documents faster, save storage space, or upload files with size limits, this app helps you compress PDFs and images in just a few taps. Powerful PDF & Image Compression Reduce file size quickly with smart compression technology. You can compress: • PDF documents • Images (JPG, PNG, and more) • Scanned files and large documents Choose the compression level that fits your needs and get instant results. 3 Compression Levels – Full Control You decide how much to compress your files: • Maximum Compression – Best for sharing and saving space • Balanced Compression – Reduced size with good quality • Low Compression – Minimal size reduction with high quality Ideal for emails, cloud uploads, messaging apps, and professional use. All Compressed Files in One Place Never lose track of your documents. All compressed PDFs and images are automatically saved in a dedicated section, allowing you to: • View all compressed files • Preview documents anytime • Manage your files easily Everything stays organized and accessible. Save or Share Instantly Once compression is complete, you can: • Save files directly to the Files app • Share via WhatsApp, Mail, AirDrop, or any supported app • Send documents instantly without size issues No extra steps. No confusion. Fast, Offline & Secure • Lightning-fast processing • Works offline with no internet required • Files stay on your device • No uploads, no tracking, full privacy Your documents remain completely secure. Simple & Elegant iOS Design Designed specifically for iOS with a clean, modern interface that feels natural and easy to use. No technical knowledge needed — just select, compress, and share. Why Choose PDF Converter & Compressor? • Compress PDF and image files • Choose from three compression levels • Manage all compressed files in one place • Save to device or share instantly • Offline and privacy-friendly • Fast, simple, and reliable Subscription - Just $4.99 for lifetime subscription Privacy Poliy - https://compressedpdfimg.blogspot.com/2026/01/privacy-policy.html

Screenshots

PDF Scanner App4 screens
PDF Compressor App4 screens

Verdict

The call

The clearest difference is in-app purchases: PDF Scanner App at none against PDF Compressor App's 1. PDF Scanner App also leads on device support (3 vs 1) and iOS requirement (13.4 vs 18.5). PDF Compressor App's advantage is update cadence (every 6 days vs every 7 months). On price, review sentiment 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. PDF Compressor App sells 1 one-off in-app purchase. PDF Scanner App asks for nothing beyond the download.

UpkeepUpdate frequency

PDF Scanner App ships an update every 7 months, PDF Compressor App every 6 days. The most recent releases landed on August 13, 2026 and September 9, 2026 respectively.

Scorecard5 real differences · 5 level
PDF Scanner App versus PDF Compressor App: the parameters behind the verdict, then further details
ParameterPDF Scanner AppPDF Compressor App
PriceFreeFree
Rating4.5 (2 ratings) — better—
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings2 — better—
Update frequencyEvery 7 monthsEvery 6 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS13.4 — better18.5
Further details — not scored
Size19 MB8 MB
Age rating4+4+
Developer婉媚 邵Kirti Arya

Customer experience

PDF Scanner App

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

PDF Compressor App

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

PDF Scanner App

No in-app purchases

1 purchases

PDF Compressor App

One-time1
  • Lifetime Subscription$0.99

Questions

Is PDF Scanner App free?
PDF Scanner App is free to download, with no in-app purchases.
Is PDF Compressor App free?
PDF Compressor App is free to download, with in-app purchases available.
Do PDF Scanner App or PDF Compressor App have ads?
Neither PDF Scanner App nor PDF Compressor App shows ads.
Which is updated more often, PDF Scanner App or PDF Compressor App?
PDF Scanner App ships an update every 7 months, and PDF Compressor App every 6 days. Most recently, PDF Scanner App was updated on August 13, 2026 and PDF Compressor App on September 9, 2026.

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