Comparison

Sign PDF documents vs Sign App

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

Sign App

Easily sign PDF documents, scan paper files, and manage your paperwork. Create custom electronic signatures and apply them to documents in seconds. Organize, export, and share your signed files securely.

Highlights
  • Create and apply electronic signatures
  • Scan paper documents to PDF
  • Import and edit PDF files
  • Organize documents with folders
  • Export and share signed PDFs
  • Local document storage
Features
Read full description

"Sign App" is a fast and intuitive mobile app for e-signing PDF documents, scanning paper files, and managing all your signed paperwork in one place. Create your electronic signature once — draw, type, or upload — and apply it to any document in seconds with the signature maker. • Sign Documents Instantly • - E-sign PDF documents with a legally-binding electronic signature. - Create unique e-signatures: draw to sign with your finger or Apple Pencil, type to sign with elegant handwriting fonts, or upload your real signature from a photo. - Save multiple signatures and reuse them across all your documents. - Automatic background removal for uploaded signature images — clean, professional results every time. • Import & Scan Documents • - Import PDF files directly from the Files app. - Scan paper documents using your iPhone camera and convert them to PDF instantly. - Import images (JPEG, PNG) from your photo library and automatically convert to PDF. - Supports documents up to 50 MB for seamless PDF signing. • Powerful Document Editor • - Add e-signatures, text fields, dates, and checkmarks to any page of your PDF. - Drag and drop annotations to position them precisely on the document. - Navigate and sign multi-page PDF documents with ease. - Undo and redo edits — never worry about making a mistake. • Organize & Manage Documents • - Create folders to keep contracts, invoices, and agreements neatly organized. - Search, rename, and filter documents by status: Draft, Signed, or Shared. - Switch between grid and list views to browse your document library. - Automatic thumbnail previews for quick document identification. • Export & Share Signed Documents • - Share signed PDF documents via email, messaging apps, AirDrop, and more. - Save signed documents as PDF to the Files app for easy access. - Export individual pages as images to your photo gallery. - Track shared documents — every exported file is marked for your records. • Securely Stored on Your Device • - All documents and signatures are stored locally on your device — your data never leaves your phone without your permission. - No account or login required. Start signing documents immediately. - Your sensitive contracts and personal documents remain private and secure. • Free & Pro Plans • - Sign up to 3 documents per month for free with the document signer. - Upgrade to Sign App Pro for unlimited document signing, unlimited saved signatures, folder organization, all editing tools, and priority support. - Choose Monthly, Yearly, or Lifetime plans — cancel anytime. Whether you need to sign a contract, fill out a form, e-sign an invoice, or scan and digitize paper documents — Sign App is the fastest way to get documents signed on your iPhone. Download the #1 e-signature app and start signing documents today. • Subscription Information • Payment will be charged to your Apple ID account upon confirmation of purchase. The subscription automatically renews unless auto-renewal is turned off at least 24 hours before the end of the current billing period. You can manage your subscription and turn off auto-renewal in your device's Account Settings after purchase. No cancellation of the current subscription is allowed during the active subscription period. Lifetime purchase is a one-time payment with no renewal. Privacy Policy: https://kenansezginbas.com/privacy-policy/ Terms of Service: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Sign PDF documents4 screens
Sign App4 screens

Verdict

The call

The clearest difference is rating: Sign App at 5.0 against Sign PDF documents's 1.0. Sign App also leads on ads (none vs shown). Sign PDF documents's advantage is monetization model (ad-supported vs freemium) and device support (4 vs 1). On price, ratings volume, update cadence and in-app purchases 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 Sign App sells 3 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Sign App holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 24, 2026 and October 14, 2026 respectively.

Scorecard5 real differences · 5 level
Sign PDF documents versus Sign App: the parameters behind the verdict, then further details
ParameterSign PDF documentsSign App
PriceFreeFree
Rating1.0 (1 ratings)5.0 (1 ratings) — better
Positive reviews22.2% of reviews—
Number of ratings11
Update frequencyEvery 3 weeksEvery 3 weeks
AdsYesNo — better
In-app purchasesYesYes
MonetizationAd-supported — betterFreemium
DevicesiPhone, iPad, iPod, Mac — betteriPhone
Requires iOS15.0 — better26.2
Further details — not scored
Size19 MB13 MB
Age rating4+4+
DeveloperEmanuele FlorisKenan Sezginbas

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
3 purchases

Sign App

Subscriptions2
  • Subscription Monthly$4.991 Month
  • Subscription Yearly$14.991 Year
One-time1
  • Subscription Lifetime$19.99

Questions

Is Sign PDF documents free?
Sign PDF documents is free to download, with in-app purchases available.
Is Sign App free?
Sign App is free to download, with in-app purchases available.
Which has better reviews, Sign PDF documents or Sign App?
Sign App is rated higher. Sign PDF documents averages 1.0 out of 5 from 1 ratings, while Sign App averages 5.0 from 1 ratings.
Do Sign PDF documents or Sign App have ads?
Sign PDF documents shows ads; Sign App does not.
Which is updated more often, Sign PDF documents or Sign App?
Sign PDF documents ships an update every 3 weeks, and Sign App every 3 weeks. Most recently, Sign PDF documents was updated on October 24, 2026 and Sign App on October 14, 2026.

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