Comparison

Fast PDF APP vs ScanTo Pro

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

Head to head
About

Fast PDF APP

Features
Read full description

Fast PDF scans paper into clean PDFs and gives you a complete PDF toolkit that runs entirely on your iPhone or iPad. One purchase, no subscription, no account, no uploads. NEW IN 4.0 • Import PDFs from Files into your library, or keep everything in Files › On My iPhone › Fast PDF with no setup. • Search the text inside every PDF in your library, with the page number and a snippet for each match. • Compress: make a smaller copy with Smallest, Balanced or Sharp quality. Text stays searchable, and Fast PDF tells you when a file is already compact instead of saving a bigger copy. • Document Info: page count, page sizes, orientation, searchable pages, word count, PDF version, encryption, bookmarks, links and form fields, all read from the file itself, with plain-language checks. Edit the title, author, subject and keywords and save a copy. SCAN • Document scanner with automatic edge detection and multi-page capture. • Rapid Capture: one tap, one PDF, camera stays live for the next page. • Real Letter, A4 and Legal page sizes, color modes and quality presets. • On-device OCR makes scans searchable. PDF TOOLS • Organize pages: reorder, rotate, delete. • Split and extract page ranges, merge PDFs. • Document Packets: combine PDFs into one handoff with a linked contents page, dividers, bookmarks and a source map. • Page numbers and Bates numbering, watermarks, APPROVED/PAID stamps. • Sign with your finger or Apple Pencil. • Redact: covered areas are burned in so the text underneath is gone. • Password-protect a copy, export pages as images. Every tool saves a new PDF and keeps your original. Nothing leaves your device unless you share it. iPhone and iPad.

About

ScanTo Pro

This app transforms your device into a powerful offline scanner for documents, receipts, and IDs. It uses on-device OCR to make your scanned files searchable and automatically categorizes them. Enjoy private, secure scanning and export options without needing an internet connection.

Highlights
  • Offline document scanning
  • On-device OCR for searchability
  • Automatic document categorization
  • Password-protected PDF export
  • Face ID/Passcode app lock
  • Multi-page scanning with auto-detection
  • ID Card mode
Features
Read full description

Optimized for iPhone Duo. Built with the latest SDK, the app fills the entire inner display and automatically adjusts its layout whether the device is folded or open. Scan contracts, receipts and IDs into crisp PDFs — then find any of them later by typing one word from inside the document. On-device text recognition (OCR) reads every scan and auto-sorts it into Receipts, IDs, Cards and Contracts, so you never hunt by file name again. It all works offline: nothing is uploaded, no account, same in airplane mode. Lock the app with Face ID and export password-protected PDFs. SEARCH INSIDE YOUR DOCUMENTS — OFFLINE • On-device text recognition (OCR) reads every scan automatically. • Search for a word and find the document that contains it — not just by its name. • Scans are auto-sorted into Receipts, IDs, Cards, Contracts and more — all offline. • View and copy the recognized text, or export it as a .txt file. It never leaves your device. LOCKED & ENCRYPTED • Lock the app with Face ID or your passcode. • Export password-protected, encrypted PDFs to share sensitive documents safely. PRIVATE BY DESIGN • No cloud. Your scans never touch a server. • No account. No sign-up, no login, no profile. • No tracking. Zero analytics, zero ads, zero third-party SDKs. • No network. It works exactly the same in airplane mode. FREE TO START — UNLOCK ONCE Download free — scanning, photo import and on-device text search are unlimited for everyone. Your first 3 PDF exports are on us (free exports carry a watermark). A single one-time purchase unlocks unlimited PDF exports, removes the watermark for good and opens every advanced export — OCR text export, password-encrypted PDFs and the ID-card layout. No subscription, no ads, no trial that quietly starts charging. EVERYTHING YOU NEED • Fast multi-page scanning with automatic edge detection and perspective correction. • Five looks: Original, Color, Grayscale, B&W, and Document enhance. • Reorder, rotate, delete, and add pages anytime. • Smart auto-naming from the document's contents. • ID Card mode: front and back on a single page. • Export PDFs sized to the image, A4, or US Letter — ready to print. • Save to Files, or share to Mail, AirDrop, or Messages. • Scan hands-free with Siri, Spotlight, Shortcuts, or the Action Button. • A calm, premium interface, designed down to the last detail. • Now available in 44 languages — auto-detected, or switch any time. Built for lawyers, accountants, freelancers, founders, students — anyone who scans something they'd rather not hand to someone else's server. Your documents stay on this device. That's the whole idea. Optimized for iPhone Duo.

Screenshots

Fast PDF APP4 screens
ScanTo Pro4 screens

Verdict

The call

The clearest difference is price: ScanTo Pro at Free against Fast PDF APP's $3.99. ScanTo Pro also leads on update cadence (every 4 days vs fortnightly). Fast PDF APP's advantage is in-app purchases (none vs 1). On ads, device support 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

ScanTo Pro is free to download; Fast PDF APP costs $3.99 up front. ScanTo Pro sells 1 one-off in-app purchase. Fast PDF APP asks for nothing beyond the download.

UpkeepUpdate frequency

Fast PDF APP ships an update fortnightly, ScanTo Pro every 4 days. The most recent releases landed on November 5, 2026 and November 10, 2026 respectively.

Scorecard3 real differences · 6 level
Fast PDF APP versus ScanTo Pro: the parameters behind the verdict, then further details
ParameterFast PDF APPScanTo Pro
Price$3.99Free — better
Rating—3.0 (2 ratings) — better
Number of ratings—2 — better
Update frequencyFortnightlyEvery 4 days — better
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.017.0
Further details — not scored
Size3 MB9 MB
Age rating4+4+
DeveloperRobert CorbinGuan Feng Lai

In-app purchases

None

Fast PDF APP

No in-app purchases

1 purchases

ScanTo Pro

One-time1
  • Full Unlock$4.99

Questions

Is Fast PDF APP free?
Fast PDF APP costs $3.99, with no in-app purchases.
Is ScanTo Pro free?
ScanTo Pro is free to download, with in-app purchases available.
Do Fast PDF APP or ScanTo Pro have ads?
Neither Fast PDF APP nor ScanTo Pro shows ads.
Which is updated more often, Fast PDF APP or ScanTo Pro?
Fast PDF APP ships an update fortnightly, and ScanTo Pro every 4 days. Most recently, Fast PDF APP was updated on November 5, 2026 and ScanTo Pro on November 10, 2026.

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