Comparison

Sign PDF vs Scan QR

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

Head to head
About

Sign PDF

Easily add your signature to PDF documents using your device. Create signatures by taking a photo, using special fonts, drawing on screen, or importing an image. Export signed documents as PDFs or JPEGs, and print or share them directly.

Highlights
  • Apply signature to PDF
  • Export as PDF
  • PDF to JPEG conversion
  • Print from device
  • Share via email
  • Multiple signature creation modes
Features
Read full description

Sign a PDF and send it back in under a minute β€” without leaving your iPhone. Sign PDF is the fast, private way to sign documents, fill forms and get paperwork done. Import a PDF, tap where to sign, and share the finished file. No account, no uploads, no waiting. WHY YOU'LL LOVE IT β€’ Sign any PDF or document in seconds β€’ Everything happens on your device β€” nothing is ever uploaded β€’ Works completely offline β€’ No sign-up, no subscription required to get started β€’ Exports a clean, flattened PDF β€” never watermarked SIGN YOUR WAY β€’ Draw your signature with a finger or Apple Pencil β€’ Snap a photo of your signature on paper β€” the background is removed automatically β€’ Type your name in a handwritten-style font β€’ Save multiple signatures and initials, then reuse them with one tap FILL & COMPLETE β€’ Add free-form text boxes anywhere, with size and color control β€’ Quick Fields: save your name, company, email and address once, insert them instantly β€’ Date tool with auto-today and your preferred format β€’ Add checkmarks and X-marks to tick boxes β€’ Fill interactive form fields (AcroForm) IMPORT FROM ANYWHERE β€’ Open PDFs straight from Mail, Files or iCloud Drive β€’ Scan paper documents with your camera β€’ Turn photos into a PDF EXPORT & SHARE β€’ Flatten and share via the standard share sheet β€’ Print, or save back to Files β€’ The original document is never changed until you export FREE VS PRO Free: sign documents every month, one saved signature, text and date tools included, full-quality export. Pro unlocks: unlimited documents, the document scanner, photo and typed signature capture, multiple signatures and initials, Quick Fields and interactive form filling. PRIVACY FIRST Your documents are yours. Sign PDF has no backend and no account system. Files stay in the app, protected on your device, and are never sent to a server. Sign contracts, agreements and sensitive paperwork with total peace of mind β€” even in airplane mode. Download Sign PDF and turn your iPhone into a pocket signing tool. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://keysersoft.com/signpdf/privacy-policy

About

Scan QR

Features
Read full description

Our app allows you to easily scan both QR and barcodes, maintain a detailed history of all your scans, and create new QR codes quickly and efficiently. FREE FEATURES: SCAN ANYTHING Scan any QR codes and barcodes quickly and easily! A user-friendly interface and simple navigation make the process as smooth as possible. Use your device's camera to scan codes. CREATE YOUR CODES Create unique QR codes for Wi-Fi, Email, URL, phone, VCard, and text. Personalize your codes and share them with others! CUSTOMIZE CODE COLORS Customize the color and shape of your generated QR codes to match your style or branding. GET ALL INFORMATION Get important information from any code: nutrition data, discounts, price history, phone numbers, login details, payment data, product links, and up to 4000 characters of text. HISTORY All scanned codes are saved in the history so you can revisit them anytime. MULTIPLE FORMATS Supports over 15 types of QR codes and barcodes, including Aztec Code, CodaBar, Code 32, Code 128, UPS Code, DataMatrix, EAN-2, EAN-5, EAN-8, EAN-13, EAN-14, ISBN-10, ISBN-13, JAN, MaxiCode, MicroPDF417, MicroQR Code, PDFCode, UPC-A, UPC-E, and more. PRO FEATURES: UNLIMITED POSSIBILITIES Create an unlimited number of QR codes for any need. No restrictions! AD-FREE Enjoy using the app without annoying ads and commercials. EXPORT HISTORY Export your scan history to a CSV file for easy management and record-keeping. Ideal for professionals who need to keep track of multiple scans. Download Scan QR-code for free and enjoy all the basic features, or upgrade to Premium for full access to professional features. You can cancel your subscription anytime in the phone settings at least 24 hours before the end of the current period. Subscriptions with a free trial period automatically renew to a paid subscription. Terms of Use https://qrcodeapp.org/terms_of_use.html Privacy Policy https://qrcodeapp.org/privacy_policy.html Support page https://qrcodeapp.org/scanqrcode_support.html

Screenshots

Sign PDF4 screens
Scan QR4 screens

Verdict

The call

The clearest difference is ads: Sign PDF at none against Scan QR's shown. Scan QR's advantage is update cadence (daily vs every 69 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Sign PDF sells 3 in-app purchases, starting at $3.99 per 7 days and Scan QR sells 2 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Sign PDF ships an update every 69 months, Scan QR daily. The most recent releases landed on August 13, 2026 and September 20, 2026 respectively.

Scorecard2 real differences Β· 6 level
Sign PDF versus Scan QR: the parameters behind the verdict, then further details
ParameterSign PDFScan QR
PriceFreeFree
Positive reviews7.1% of reviewsβ€”
Update frequencyEvery 69 monthsDaily β€” better
AdsNo β€” betterYes
In-app purchasesYesYes
MonetizationFreeβ€”
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.017.0
Further details β€” not scored
Size3 MB56 MB
Age rating4+17+
DeveloperMatteo MorelliIvan Kuvshinov

In-app purchases

3 purchases

Sign PDF

Subscriptions2
  • Firma Pro Weekly3 Days trial$3.997 Days
  • Firma Pro Yearly$22.991 Year
One-time1
  • Firma Pro Lifetime$49.99
2 purchases

Scan QR

Subscriptions2
  • All Access7 Days trial$1.997 Days
  • All Access annual$35.901 Year

Questions

Is Sign PDF free?
Sign PDF is free to download, with in-app purchases available.
Is Scan QR free?
Scan QR is free to download, with in-app purchases available.
Do Sign PDF or Scan QR have ads?
Scan QR shows ads; Sign PDF does not.
Which is updated more often, Sign PDF or Scan QR?
Sign PDF ships an update every 69 months, and Scan QR daily. Most recently, Sign PDF was updated on August 13, 2026 and Scan QR on September 20, 2026.

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