Comparison

GuardianScan Pro vs Smart PDF Compressor Offline

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

Head to head
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

About

Smart PDF Compressor Offline

Features
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PDF Compress reduces your PDF file sizes directly on your iPhone — no uploads, no cloud, no internet required. Your documents never leave your device. Whether you need to email a large report, share a scanned form, or free up storage, PDF Compress gives you full control over quality vs. size with three intuitive compression levels. KEY FEATURES • Up to 80% smaller — Shrink large PDFs dramatically while keeping them readable • Three compression presets — Choose between High Compression, Recommended (balanced), or High Quality • Batch compression — Select multiple PDFs at once and compress them all in one tap • 100% on-device — Powered by Ghostscript, a professional-grade PDF engine, running entirely on your iPhone • Instant sharing — Share or save compressed files directly from the results screen • Recent files — Quickly access your previously compressed documents • No size worries — Supports PDFs up to 500 MB COMPRESSION PRESETS High Compression — Up to 80% smaller. Best for files where size matters most, like email attachments. Recommended — Up to 50% smaller. The ideal balance of quality and file size for everyday use. High Quality — Up to 25% smaller. Minimal compression that preserves crisp text and sharp images. PRIVACY FIRST PDF Compress processes everything locally on your device using native iOS technology. No account needed. No data sent anywhere. What's on your device, stays on your device. PERFECT FOR • Students sharing assignments and research papers • Professionals emailing contracts and reports • Anyone managing scanned documents or forms • Reducing storage used by large PDF libraries

Screenshots

Smart PDF Compressor Offline4 screens

Verdict

The call

The clearest difference is in-app purchases: Smart PDF Compressor Offline at none against GuardianScan Pro's 3. Smart PDF Compressor Offline also leads on device support. On price and iOS requirement 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. GuardianScan Pro sells 3 in-app purchases, starting at $3.99 per month. Smart PDF Compressor Offline asks for nothing beyond the download.

Scorecard2 real differences · 3 level
GuardianScan Pro versus Smart PDF Compressor Offline: the parameters behind the verdict, then further details
ParameterGuardianScan ProSmart PDF Compressor Offline
PriceFreeFree
Ads—No
In-app purchasesYesNo — better
Devices—iPhone, iPad — better
Requires iOS17.6 — better18.5
Further details — not scored
Size5 MB25 MB
Age rating4+4+
DeveloperCagatay GokgozHafiz Shahzad Ali Khurram

In-app purchases

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
None

Smart PDF Compressor Offline

No in-app purchases

Questions

Is GuardianScan Pro free?
GuardianScan Pro is free to download, with in-app purchases available.
Is Smart PDF Compressor Offline free?
Smart PDF Compressor Offline is free to download, with no in-app purchases.

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