Comparison

CamScanner vs Sign PDF documents

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

Head to head
About

CamScanner

Transform your mobile device into a powerful portable scanner. Instantly scan, edit, and share documents in various formats like PDF, JPG, Word, and TXT. Features include OCR, e-signatures, and secure file management.

Highlights
  • Mobile document scanning
  • Text recognition (OCR)
  • PDF conversion
  • E-signature creation
  • Secure file management
  • Cloud storage integration
Features
Read full description

The most intelligent scanner app Trusted by 300M+ users CamScanner is an all-in-one scanner app. It turns your mobile device into a powerful portable scanner that recognizes text automatically (OCR) and improves your productivity to save your time. Download this scanner app for free to instantly scan, save, and share any document in PDF, JPG, Word, or TXT formats. Would you like to keep your entire office in your pocket and increase your productivity at work? Use the CamScanner scanner app to handle your paperwork with ease. Say goodbye to huge and heavy copy machines and get this ultra-fast scanner app for free now. DOCUMENT SCANNER This free-of-charge yet powerful scanner app is a must-have for students and anyone involved in business: accountants, realtors, managers, or lawyers. With this PDF scanner, scan anything you need, receipts, contracts, paper notes, fax papers, books, and store your scans as multipage PDF or JPG files. VARIOUS SCANNING MODES –ID CARD & PASSPORT: A mode specifically designed for fast and convenient scans of ID documents. –QR CODE: Scan any QR code with the camera on your mobile device. PDF CONVERTER –PDF Converter: This PDF scanner enables you to create PDF from a website, and convert documents in multiple formats to PDF. –Supported file formats: PDF, JPG, DOC, DOCX, TXT, XLS, XLSM, XLSX, CVS, PPT, PPTM, PPTX. SHARE AND COLLABORATE –Share files for commenting or viewing in WhatsApp, iMessage, Microsoft Teams. –Collect comments from multiple people in one file online. –Speed document reviews by responding to each other's comments. –Receive activity notifications for the files you share. INNOVATIVE PDF SCANNER –Scan documents and photos to PDF, JPG, or TXT. –Easily scan multiple pages into one document. –Extract text from any scannable object with text recognition (OCR). –Create and add your own e-signature on documents. HANDY DOCUMENT EDITOR & FILE MANAGER –Edit scans with filters and the feature of noise removal. –Manage files with folders, drag & drop to reorder, and enjoy other document editing features. –Protect your confidential scans by locking folders and files with passwords. EASILY SEND DOCUMENT –Scan, save and send documents in just a few taps. –Email with attachments or send document links. –Upload scanned documents to cloud services like Dropbox, Google Drive, Evernote, and OneDrive. –Print PDF files, such as contracts and invoices, right from the scanner app. –Send files quickly and securely. Scanning or sharing is achieved with no intervention from the CamScanner scanner app team or any third party. Documents are safely stored on your mobile devices. UNLIMITED ACCESS MEMBERSHIP SUBSCRIPTION –You can subscribe to get unlimited access to all features of the scanner app. –Subscriptions are billed weekly, monthly, quarterly, or annually at the rate based on the subscription plan. –Payment will be charged to iTunes Account at confirmation of purchase. –Subscription renews automatically unless auto-renew is turned off at least 24 hours before the end of the current period. –Account will be charged for renewal within 24 hours prior to the end of the current period. The cost depends on the selected plan. –Subscriptions may be managed by the user, and auto-renewal may be turned off by going to the user's Account Settings after purchase. –Any unused portion of the free trial will be forfeited when the user purchases a subscription. For Terms of Use, please visit https://www.camscanner.com/app/service?language=en-us For Privacy Policy, please visit https://www.camscanner.com/app/privacy?language=en-us We'd love to hear your feedback: isupport@camscanner.com Follow us on X: @CamScanner Like us on Facebook: @CamScanner UA Follow us on Instagram: @CamScanner_Official Follow us on YouTube: @CamScanner_Official Check out other products of INTSIG: CamCard - Business Card Reader

About

Sign PDF documents

Easily sign documents digitally without printing. This app allows for unlimited signatures without requiring a subscription or registration, making document signing quick and convenient.

Highlights
  • Unlimited digital signatures
  • No subscription required
  • No registration needed
  • Sign without printing
  • Document archiving
Features
Read full description

Sign any document in seconds — right from your iPhone and iPad. Got a contract by email? Sign it and send it back in under a minute: no printer, no scanner, no stress. SIGN IN 3 SIMPLE STEPS 1. Import any PDF or scan a paper document with your camera 2. Draw your signature with your finger — save it once, reuse it forever 3. Place it on the document, save and share EVERYTHING YOU NEED • Create and save multiple signatures and your initials • Built-in scanner: turn paper into a signable PDF • Add text and today's date with one tap • Fill and sign contracts, forms, quotes and leases • Sign multi-page documents, page by page • Your documents never leave your device: private and secure • Works offline — no account, no registration Perfect for freelancers, small businesses, real estate agents, HR — and anyone who hates printers. Download Sign PDF and sign your first document in less than a minute! Unlock all Sign PDF Pro features by choosing the plan that best fits your needs: Auto-Renewing Subscriptions * Monthly: Full access to all Pro features. * Yearly: Full access with a 3-day free trial. Subscription Details: * Payment will be charged to your iTunes account at confirmation of purchase. * Subscriptions automatically renew unless auto-renew is turned off at least 24 hours before the end of the current period. * Your account will be charged for renewal within 24 hours prior to the end of the current period. * You can manage your subscriptions and turn off auto-renewal by going to your Account Settings after purchase. * Any unused portion of a free trial period, if offered, will be forfeited when you purchase a subscription. One-Time Purchase * Lifetime Access: A one-time payment for lifetime access to all Pro features of Sign PDF. No recurring fees. Pro features include: unlimited signed documents, built-in document scanner, and an ad-free experience. Legal Information * Privacy Policy: https://www.freeprivacypolicy.com/privacy/view/000ea101de4e771dc9cc10e883deab0c * Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

CamScanner4 screens
Sign PDF documents4 screens

Verdict

The call

The clearest difference is rating: CamScanner at 4.8 against Sign PDF documents's 1.0. CamScanner also leads on review sentiment (61% vs 22%) and ratings volume (1.9M vs 1). Sign PDF documents's advantage is monetization model (ad-supported vs free with in-app purchases) and device support (4 vs 2). On price, ads, in-app purchases 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. CamScanner sells 13 in-app purchases, starting at $4.99 per month and Sign PDF documents sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

CamScanner holds the better App Store score, 4.8 against 1.0. That said, the two scores are not equally well evidenced: CamScanner has 1.9M ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 61% of CamScanner's written reviews are positive against 22% of Sign PDF documents's.

UpkeepUpdate frequency

CamScanner ships an update weekly, Sign PDF documents every 3 weeks. The most recent releases landed on September 24, 2026 and August 14, 2026 respectively.

Scorecard7 real differences · 4 level
CamScanner versus Sign PDF documents: the parameters behind the verdict, then further details
ParameterCamScannerSign PDF documents
PriceFreeFree
Rating4.8 (1.9M ratings) — better1.0 (1 ratings)
Positive reviews61.1% of reviews — better22.2% of reviews
Number of ratings1.9M — better1
Update frequencyWeekly — betterEvery 3 weeks
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesAd-supported — better
Best chart rank#7 — better
DevicesiPhone, iPodiPhone, iPad, iPod, Mac — better
Requires iOS15.015.0
Further details — not scored
Size383 MB19 MB
Age rating4+4+
DeveloperINTSIG Information Co., LtdEmanuele Floris

Customer experience

CamScanner

All ratings1,914,032 ratings
Positive96.6%
Neutral1.4%
Negative2.0%
Written reviews2,684 reviews
Positive61.1%
Neutral3.7%
Negative35.2%

Sign PDF documents

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews18 reviews
Positive22.2%
Neutral0.0%
Negative77.8%

Bugs and requests

CamScanner

Reported bugs

5 issues
  • App crashes during scanning and editing
  • Syncing and backup issues causing data loss
  • Compatibility problems with newer devices
  • Unexpected charges and subscription renewals
  • Unreliable performance and frequent updates

Requested features

6 requests
  • Improved OCR and text recognition accuracy
  • More flexible export and sharing options
  • Customizable storage and backup settings
  • Enhanced security and privacy controls
  • Streamlined subscription and pricing model
Show 1 more
  • Reduced ads and more features in free version

Sign PDF documents

Not enough reviews yet to summarise bugs or requests.

In-app purchases

13 purchases

CamScanner

Subscriptions12
  • Premium Account$4.991 Month
  • CamScanner Premium(1 week)3 Days trial$4.997 Days
  • CamScanner Premium3 Days trial$6.997 Days
Show 9 more
  • Premium Account(1 Month)$9.991 Month
  • Premium Account (1 month)1 Month trial$9.991 Month
  • CamScanner Premium(1 week)3 Days trial$9.997 Days
  • CamScanner Premium1 Year trial$49.991 Year
  • CamScanner Premium3 Days trial$49.991 Year
  • Premium Account (1 year)7 Days trial$59.991 Year
  • Premium Account(1 year)3 Days trial$59.991 Year
  • Premium Account(1 year)3 Days trial$69.991 Year
  • CamScanner Premium1 Month trial$69.991 Year
One-time1
  • One-page Fax$0.99
3 purchases

Sign PDF documents

Subscriptions2
  • Unlimited Access$2.991 Month
  • Unlimited Access3 Days trial$8.991 Year
One-time1
  • PRO Lifetime Access$22.99

Questions

Is CamScanner free?
CamScanner is free to download, with in-app purchases available.
Is Sign PDF documents free?
Sign PDF documents is free to download, with in-app purchases available.
Which has better reviews, CamScanner or Sign PDF documents?
CamScanner is rated higher. CamScanner averages 4.8 out of 5 from 1.9M ratings, while Sign PDF documents averages 1.0 from 1 ratings.
Do CamScanner or Sign PDF documents have ads?
Both CamScanner and Sign PDF documents show ads.
Which is updated more often, CamScanner or Sign PDF documents?
CamScanner ships an update weekly, and Sign PDF documents every 3 weeks. Most recently, CamScanner was updated on September 24, 2026 and Sign PDF documents on August 14, 2026.

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