Comparison

PDF Scanner・OCR & Sign vs OneScan

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

Head to head
About

PDF Scanner・OCR & Sign

Transform your device into a powerful document scanner. Quickly capture, convert images to PDF, extract text with OCR, and digitally sign documents. Organize and share your files efficiently from a single, user-friendly app.

Highlights
  • High-quality document scanning
  • OCR text recognition
  • Digital signature creation
  • PDF conversion
  • Document organization
  • Instant file sharing
Features
Read full description

Turn your iPhone into a powerful document scanner. Scan documents, receipts, ID cards, passports, invoices, contracts, notes, and photos in seconds. Convert images into high-quality PDF files, extract text with advanced OCR technology, sign documents electronically, and share files instantly—all from one fast, secure, and easy-to-use app. Whether you're a student, professional, freelancer, teacher, or business owner, this app helps you digitize, organize, edit, and manage your documents anytime, anywhere. Key Features • High-quality document scanner with automatic edge detection • Scan receipts, invoices, contracts, books, notes, and business documents • Scan ID cards, passports, licenses, and other identity documents • Convert photos and images into professional PDF files • OCR text recognition to extract editable text from scanned documents • Create multi-page PDF documents • Sign PDF documents with your digital signature • Organize and manage scanned documents with ease • Share documents via email, messaging apps, AirDrop, or cloud storage • Fast scanning with high-resolution output • Clean, modern, and user-friendly interface Perfect For Students Professionals Business Owners Freelancers Teachers Office Work Personal Document Management Travel Documents Expense Tracking Homework and Study Notes Why Choose Our Scanner? Our scanner is designed to deliver fast performance, accurate scanning, and professional-quality PDF documents while keeping the experience simple and intuitive. Whether you're scanning a single receipt or a multi-page contract, you can complete the job in just a few taps. Download today and experience a faster, smarter way to scan, edit, sign, and manage your documents on iPhone. Privacy Policy: https://sites.google.com/view/kalkani-privacy-policy/home Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

OneScan

Features
Read full description

OneScan turns your iPhone into the simplest, most private document scanner. Snap a photo of any page — receipt, contract, form, or note — and OneScan automatically finds the edges, straightens the perspective, and saves a crisp, professional PDF. No subscription. No watermark. No ads. No account. Everything runs on your device, so your documents never leave your iPhone. WHAT YOU GET • Smart edge detection — finds the page and fixes the angle for you • Multi-page PDF — combine pages into one clean A4 document • Import from Photos — turn pictures you already took into sharp scans • 100% on-device — no cloud, no uploads, complete privacy • Export & share — send PDFs anywhere in a tap FAIR & SIMPLE Try it free. Unlock unlimited scanning with a single one-time purchase — no subscription, ever. Buy it once, keep it forever. OneScan — snap a page, get a PDF. That simple.

Screenshots

PDF Scanner・OCR & Sign4 screens
OneScan4 screens

Verdict

The call

The clearest difference is update cadence: OneScan at every 5 days against PDF Scanner・OCR & Sign's every 4 weeks. On price, ads, in-app purchases and device support 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 Scanner・OCR & Sign sells 3 in-app purchases, starting at $0.49 per month and OneScan sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

PDF Scanner・OCR & Sign ships an update every 4 weeks, OneScan every 5 days. Both last shipped on October 31, 2026.

Scorecard1 real difference · 7 level
PDF Scanner・OCR & Sign versus OneScan: the parameters behind the verdict, then further details
ParameterPDF Scanner・OCR & SignOneScan
PriceFreeFree
Positive reviews100.0% of reviews—
Update frequencyEvery 4 weeksEvery 5 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad — betteriPhone
Requires iOS17.016.0 — better
Further details — not scored
Size6 MB101 MB
Age rating9+4+
DeveloperVishal KalkaniYufei Zhihui (beijing) Technology Co., Ltd.

In-app purchases

3 purchases

PDF Scanner・OCR & Sign

Subscriptions2
  • Unlimited Access – Monthly3 Days trial$0.491 Month
  • Unlimited – Yearly3 Days trial$3.991 Year
One-time1
  • Lifetime Access$4.99
1 purchases

OneScan

One-time1
  • OneScan Unlimited$24.99

Questions

Is PDF Scanner・OCR & Sign free?
PDF Scanner・OCR & Sign is free to download, with in-app purchases available.
Is OneScan free?
OneScan is free to download, with in-app purchases available.
Do PDF Scanner・OCR & Sign or OneScan have ads?
Neither PDF Scanner・OCR & Sign nor OneScan shows ads.
Which is updated more often, PDF Scanner・OCR & Sign or OneScan?
PDF Scanner・OCR & Sign ships an update every 4 weeks, and OneScan every 5 days. Most recently, PDF Scanner・OCR & Sign was updated on October 31, 2026 and OneScan on October 31, 2026.

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