Comparison

Smart PDF Compressor Offline vs Skan

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

Head to head
About

Smart PDF Compressor Offline

Features
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PDF Compress reduces your PDF file sizes directly on your iPhone β€” 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 β€’ Up to 80% smaller β€” Shrink large PDFs dramatically while keeping them readable β€’ Three compression presets β€” Choose between High Compression, Recommended (balanced), or High Quality β€’ Batch compression β€” Select multiple PDFs at once and compress them all in one tap β€’ 100% on-device β€” Powered by Ghostscript, a professional-grade PDF engine, running entirely on your iPhone β€’ Instant sharing β€” Share or save compressed files directly from the results screen β€’ Recent files β€” Quickly access your previously compressed documents β€’ No size worries β€” Supports PDFs up to 500 MB COMPRESSION PRESETS High Compression β€” Up to 80% smaller. Best for files where size matters most, like email attachments. Recommended β€” Up to 50% smaller. The ideal balance of quality and file size for everyday use. High Quality β€” 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 β€’ Students sharing assignments and research papers β€’ Professionals emailing contracts and reports β€’ Anyone managing scanned documents or forms β€’ Reducing storage used by large PDF libraries

About

Skan

Features
Read full description

Free. No ads. Nothing leaves your iPhone. Skan turns paper into sharp, searchable PDFs – with no account and no subscription. POINT, SCAN, DONE β€’ Skan finds the edges and takes the photo when the page is steady β€’ Scan many pages in a row, reorder them and rotate them into place β€’ Filters that make text crisp: Document, Grey, Colour or Original TEXT YOU CAN SEARCH β€’ Text recognition in English and Danish, plus Japanese, German, French, Spanish or Korean when that's your iPhone's language – right on your phone β€’ Search all your scans for a word, a name or an amount β€’ PDFs include a text layer, so you can search and copy text anywhere β€’ Skan names your documents for you, e.g. β€œInvoice – Harbour Power – 2026-09” RECEIPTS AND BOOKKEEPING β€’ Skan finds the total, VAT and date on receipts and invoices β€’ Export all receipts as CSV for Excel, Numbers or your accounting app β€’ Export tables from a scan as CSV SIGN AND SHARE β€’ Draw your signature once and place it on any page β€’ Share as PDF – or with a password β€’ Siri and Shortcuts: β€œScan with Skan” YOUR PAPER IS YOURS Everything – images, text recognition and PDFs – happens on your iPhone. There is no server, no account and no tracking. FREE. JUST ENJOY IT. The whole app is free, with every feature, no ads and no subscription. If you're doing alright, you can become a supporter inside the app and get the show-off icons: extra app icons and a silly little game. Nothing gets locked, and freeloaders are still very welcome.

Screenshots

Smart PDF Compressor Offline4 screens
Skan4 screens

Verdict

The call

Smart PDF Compressor Offline and Skan are too close to call on the numbers: across 5 compared parameters β€” price, ads, in-app purchases and device support among them β€” neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ScorecardNo meaningful differences
Smart PDF Compressor Offline versus Skan: the parameters behind the verdict, then further details
ParameterSmart PDF Compressor OfflineSkan
PriceFreeFree
Update frequencyβ€”Every 2 days
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad β€” betteriPhone
Requires iOS18.517.0 β€” better
Further details β€” not scored
Size25 MB2 MB
Age rating4+4+
DeveloperHafiz Shahzad Ali KhurramCommanigy

In-app purchases

None

Smart PDF Compressor Offline

No in-app purchases

None

Skan

No in-app purchases

Questions

Is Smart PDF Compressor Offline free?
Smart PDF Compressor Offline is free to download, with no in-app purchases.
Is Skan free?
Skan is free to download, with no in-app purchases.
Do Smart PDF Compressor Offline or Skan have ads?
Neither Smart PDF Compressor Offline nor Skan shows ads.

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