Comparison

PDF Compressor vs GuardianScan Pro

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

Head to head
About

PDF Compressor

Features
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Easily compress large PDF files into smaller sizes without losing quality. PDF Compressor helps you reduce file size, optimize storage, and share documents faster — all while maintaining clear, readable text and images. Whether you need to send reports, eBooks, or scanned documents, this app makes it quick and simple. Compress single or multiple PDFs in just a few taps. Perfect for students, professionals, and anyone managing digital documents. Key Features: • Compress large PDF files into smaller sizes instantly • Maintain high quality text and image clarity • Preview before and after compression • Batch compress multiple files at once • Import PDFs from Files, iCloud, or other apps • Save and share compressed files easily • Lightweight, fast, and offline supported Why Choose PDF Compressor: • Advanced compression algorithm for better results • Fast, secure, and easy to use • No watermark, no hidden charges • Save device storage and upload faster Optimize your PDFs with one tap. Keep your files small, clear, and share-ready anytime, anywhere. Privacy policy : https://krpdfcompressorprivacypolicy.blogspot.com Terms of use : https://sites.google.com/view/kr-terms-of-use/home

About

GuardianScan Pro

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GuardianScan Pro – Private Document & PDF Scanner GuardianScan Pro is a private document scanner built for people who value security. Scan documents, receipts, IDs, passports, and contracts into clean professional PDF files — without creating an account or uploading anything to the cloud. Everything stays 100% on your device. GuardianScan Pro is designed for professionals who handle sensitive information — including lawyers, consultants, freelancers, accountants, business owners, and anyone managing confidential paperwork. Privacy First No cloud. No sign-in. 100% on-device processing. GuardianScan Pro never requires an account and never uploads your documents anywhere. Your files stay private and secure. Features • Private document & PDF scanning with intelligent edge detection • Smart document extraction for receipts, invoices, contracts, and forms • On-device OCR with support for 18 languages • Scan IDs and passports with optimized framing • Sign contracts and forms directly on your device • Multi-page PDF creation and export • Automatic document organization into folders • Receipt scanning for expense tracking and accounting • Fast and simple scan → edit → export workflow Smart Organization Automatically organize your documents into folders such as: • Receipts • Contracts • IDs • Notes • Forms Quickly find and manage important files when you need them. Built for Professionals GuardianScan Pro is ideal for: • Lawyers and legal professionals • Consultants and freelancers • Small business owners • Accountants and finance professionals • Anyone handling confidential documents OCR supports 18 languages. English Private Document Scanner. 100% On-Device OCR. Français Scanner de documents privé. OCR 100 % sur l’appareil. Deutsch Privater Dokumentenscanner. 100 % lokal auf Ihrem Gerät. Español Escáner privado con OCR 100 % en el dispositivo. Türkçe %100 cihaz içi OCR ile özel belge tarayıcı. Stable release Leave Feedback: support@newtonapps.org Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://newtonapps.org/privacy

Screenshots

PDF Compressor4 screens

Verdict

The call

The clearest difference is device support: PDF Compressor at 2 against GuardianScan Pro's —. PDF Compressor also leads on iOS requirement (15.0 vs 17.6). On price and in-app purchases 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 sells 3 in-app purchases, starting at $0.99 per 7 days and GuardianScan Pro sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

Scorecard2 real differences · 4 level
PDF Compressor versus GuardianScan Pro: the parameters behind the verdict, then further details
ParameterPDF CompressorGuardianScan Pro
PriceFreeFree
Update frequencyEvery 11 months—
AdsYes—
In-app purchasesYesYes
DevicesiPhone, iPod — better—
Requires iOS15.0 — better17.6
Further details — not scored
Size15 MB5 MB
Age rating4+4+
DeveloperKevin RupareliyaCagatay Gokgoz

In-app purchases

3 purchases

PDF Compressor

Subscriptions3
  • Weekly [ 1 Week ]$0.997 Days
  • Monthly [ 1 Month ]$2.991 Month
  • Yearly [ 1 Year ]$19.991 Year
3 purchases

GuardianScan Pro

Subscriptions2
  • GuardianScan Pro Monthly$3.991 Month
  • English (U.S.)7 Days trial$29.991 Year
One-time1
  • GuardianScan Pro Lifetime$79.99

Questions

Is PDF Compressor free?
PDF Compressor is free to download, with in-app purchases available.
Is GuardianScan Pro free?
GuardianScan Pro is free to download, with in-app purchases available.

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