Comparison

Sign PDF documents vs PDF Scanner

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

Head to head
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/

About

PDF Scanner

This app transforms your phone into a powerful scanner, editor, and converter for documents. Easily capture, sign, and enhance files in various formats, including PDF, TXT, and JPG, with OCR text extraction and QR code scanning capabilities.

Highlights
  • Document scanning with camera
  • Electronic signature tool
  • Document editing and enhancement
  • OCR text extraction
  • File format conversion (PDF, TXT, JPG)
  • QR code scanning
Features
Read full description

PDF Scanner: Document Scan Pro, with powerful tools for editing, signing, and saving documents in formats like PDF, TXT, and JPG, is designed to streamline document management. Its intuitive interface makes it the perfect choice for anyone looking to handle paperwork quickly and efficiently. With Scanner, turning your smartphone camera into a powerful PDF creator is effortless. Whether it's a document, business card, book, ID, or passport, you can either snap a photo directly through the app or upload one from your gallery, and just like that, you have a high-quality PDF ready to go. One of Scanner’s standout features is its electronic signature tool. No more printing, signing, and scanning documents back in. Now you can sign anything digitally with just a few taps, saving you both time and hassle. Editing your documents is a breeze with Scanner, too. You can crop, adjust colors, erase unwanted elements, and make other edits to ensure your scanned files look polished and professional. It gives you all the tools you need to enhance the visual quality of your documents. Thanks to its powerful Optical Character Recognition (OCR) technology, Scanner can extract text from images, letting you easily edit or manipulate that text as needed. This is incredibly helpful when you need to make changes to a scanned document or pull out key information from an image. Need to convert your files into different formats? Scanner has you covered. Whether you’re converting to PDF, TXT, or JPG, the app handles it seamlessly, giving you the flexibility to work in whichever format you need. On top of all these features, Scanner even includes a QR code scanner. Whether you’re scanning for web links, contact info, or other encoded data, just point and scan—Scanner decodes the information in seconds. Key benefits of using Scanner: - It covers all aspects of document management, making it a versatile tool for both personal and business use. - Its high-speed performance ensures that your tasks are done quickly and with top-notch quality. - Plus, the user-friendly design makes it easy to navigate for users of any skill level. Say goodbye to paperwork headaches and hello to smooth, streamlined document management with Scanner: PDF Document & OCR. Download PDF Scanner: Document Scan Pro for iOS now!

Screenshots

Sign PDF documents4 screens
PDF Scanner4 screens

Verdict

The call

The clearest difference is rating: PDF Scanner at 4.6 against Sign PDF documents's 1.0. PDF Scanner also leads on ratings volume (38 vs 1). Sign PDF documents's advantage is monetization model (ad-supported vs free with in-app purchases). On price, review sentiment, update cadence and ads 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. Sign PDF documents sells 3 in-app purchases, starting at $2.99 per month and PDF Scanner sells 9 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

PDF Scanner holds the better App Store score, 4.6 against 1.0. That said, the two scores are not equally well evidenced: PDF Scanner has 38 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 22% of Sign PDF documents's written reviews are positive against 25% of PDF Scanner's.

UpkeepUpdate frequency

Sign PDF documents ships an update every 3 weeks, PDF Scanner monthly. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

Scorecard3 real differences · 7 level
Sign PDF documents versus PDF Scanner: the parameters behind the verdict, then further details
ParameterSign PDF documentsPDF Scanner
PriceFreeFree
Rating1.0 (1 ratings)4.6 (38 ratings) — better
Positive reviews22.2% of reviews25.0% of reviews — better
Number of ratings138 — better
Update frequencyEvery 3 weeks — betterMonthly
AdsYesYes
In-app purchasesYesYes
MonetizationAd-supported — betterFree with in-app purchases
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPad, iPod
Requires iOS15.0 — better15.6
Further details — not scored
Size19 MB57 MB
Age rating4+4+
DeveloperEmanuele FlorisAVIRISE LIMITED (CY)

Customer experience

Sign PDF documents

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

PDF Scanner

All ratings36 ratings
Positive91.7%
Neutral0.0%
Negative8.3%
Written reviews12 reviews
Positive25.0%
Neutral8.3%
Negative66.7%

In-app purchases

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
9 purchases

PDF Scanner

Subscriptions9
  • PDF scanner ● Weekly Premium3 Days trial$4.997 Days
  • Week premium access$4.997 Days
  • Premium version3 Days trial$5.997 Days
Show 6 more
  • Month access$6.991 Month
  • PDF scanner ● Monthly Premium$6.991 Month
  • Premium access to all features3 Days trial$9.991 Month
  • Discount3 Days trial$14.991 Year
  • Best solution3 Days trial2 variants$39.991 Year
  • PDF Scanner ● Yearly Premium3 Days trial$39.991 Year

Questions

Is Sign PDF documents free?
Sign PDF documents is free to download, with in-app purchases available.
Is PDF Scanner free?
PDF Scanner is free to download, with in-app purchases available.
Which has better reviews, Sign PDF documents or PDF Scanner?
PDF Scanner is rated higher. Sign PDF documents averages 1.0 out of 5 from 1 ratings, while PDF Scanner averages 4.6 from 38 ratings.
Do Sign PDF documents or PDF Scanner have ads?
Both Sign PDF documents and PDF Scanner show ads.
Which is updated more often, Sign PDF documents or PDF Scanner?
Sign PDF documents ships an update every 3 weeks, and PDF Scanner monthly. Most recently, Sign PDF documents was updated on November 1, 2026 and PDF Scanner on November 3, 2026.

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