QuietScan vs PDFWise
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
QuietScan
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QuietScan turns paper documents into clean PDFs. No ads, no watermarks, no sign-in. Everything stays on your device. Scanned images, generated PDFs, and OCR text are saved locally — never uploaded. KEY FEATURES • Four scan modes: Document, Whiteboard, Photo, Business Card • On-device OCR (Japanese + English) using Apples Vision framework • Searchable PDFs you can search inside the Files app • Business card to one-tap save to Contacts • QR code reader • Add pages to existing PDFs • Read recognized text aloud • AirPrint, save pages to Photos, share via Files app • App Lock with Face ID / passcode • Sort and filter your document list, search by filename or OCR text PRIVACY BY DEFAULT • No ads • No watermarks • No account or sign-in • No analytics, no telemetry • OCR runs locally; nothing is sent to a server • PDFs live in the QuietScan folder visible in the Files app QuietScan is built for people who scan paper for work — receipts, contracts, business cards, whiteboard notes — and dont want a scanner app pushing subscriptions and ads at them. Made for iOS 17 and later.
PDFWise
This app offers a comprehensive suite of PDF tools that operate entirely on your device, ensuring complete privacy. It allows you to read, scan, edit, sign, and organize your documents without uploading them to any cloud service. Generate professional PDFs from templates and perform batch operations for efficiency.
- 100% on-device processing
- Built-in scanner with OCR
- PDF editing and annotation tools
- Handwritten signature support
- Professional PDF template generation
- Batch processing for files
- On-device full-text search
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PDFWise – PDF Reader & Tools The privacy-first PDF app for people who never wanted to upload their documents in the first place. PDFWise is a fast, complete PDF reader, scanner, editor and signer built for iPhone and iPad. Every feature runs 100% on your device. No accounts, no cloud, no analytics on your documents — your PDFs never leave your iPhone. 100% PRIVATE BY DESIGN OCR, search indexing, compression, encryption — all happen locally on your device. PDFWise has zero servers and zero network calls for any document operation. No tracking, no profiling, no ads. SCAN ANY DOCUMENT Use the built-in scanner to capture pages with auto edge detection and perspective correction. Pages are OCR'd on device so you can search inside scanned documents instantly. Works for contracts, receipts, notes, books and handwritten pages. POWERFUL READER & ANNOTATIONS Smooth PDF viewer with thumbnails, outline (TOC) sidebar, night mode tint and continuous scroll. Add sticky notes, drawings, highlights, shapes and rubber stamps. Search inside the file with a Safari-style find bar. SIGN ANY PDF Save handwritten signatures in a library and apply them to any PDF with full control over position, size, ink color and which pages. Signatures bake permanently into the page so the result holds up in any reader. 14 PROFESSIONAL TEMPLATES Generate Invoice, Receipt, Quotation, Meeting Minutes, Agenda, Letterhead, Sign-In Sheet, Resume, Cover Letter, To-Do List, Travel Itinerary, Certificate, Class Schedule and Flyer in seconds — fill a form, get a polished PDF. ALL THE TOOLS YOU NEED Merge, split, compress, watermark, encrypt with password, add page numbers, convert TXT/Markdown/HTML to PDF, import from URL, combine photos into PDF — every common PDF task in one place. BATCH PROCESSING Compress, watermark or encrypt many PDFs at once with one tap. Perfect for accountants, lawyers, students and freelancers handling stacks of files. POWERFUL ON-DEVICE SEARCH Find any word across your entire library — including scanned documents — in milliseconds. FTS5 full-text search with boolean operators and exact-phrase queries. iOS Spotlight integration so you can search from the home screen. FACE ID / TOUCH ID PASSWORDS Opt in to remember PDF passwords with Face ID or Touch ID. Stored in the iOS keychain under biometric access control — only your face or fingerprint unlocks. SHORTCUTS & SIRI 10 Siri shortcuts: "Hey Siri, scan a document", "Compress a PDF", "Merge PDFs" and more. Automate your PDF workflow without opening the app. 14 LANGUAGES Fully translated to English, Vietnamese, Spanish, Portuguese, Brazilian Portuguese, French, German, Russian, Arabic, Hindi, Japanese, Korean, Simplified Chinese, Traditional Chinese. WHY CHOOSE PDFWISE? - 100% on-device — your PDFs never leave your iPhone - No accounts, no cloud, no tracking, no ads - Fast, native, battery-friendly - Free of subscription paywalls - Built for iPhone and iPad with iOS native design - 14 languages, RTL support for Arabic Download PDFWise today and take back control of your documents. We read every review. If something feels off or you want a feature, tell us — we ship updates fast.
Screenshots
Verdict
QuietScan and PDFWise are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | QuietScan | PDFWise |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (7 ratings) — better |
| Number of ratings | — | 7 — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 17.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 14 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | Keisuke Ueda | THI HUE MAI |
In-app purchases
QuietScan
No in-app purchases
PDFWise
No in-app purchases









