Comparison

SignNow 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

SignNow

Easily sign and manage PDF documents and other file formats with this comprehensive e-signature solution. Upload files, create templates, and collect legally-binding signatures from multiple parties. Securely store and access your documents online or offline.

Highlights
  • E-sign documents without limits
  • Create legally-binding e-signatures
  • Upload and fill PDF/Word documents
  • Convert image files to PDF
  • Create reusable document templates
  • Collect signatures from multiple users
  • Offline signing and syncing
Features
Read full description

SignNow is used by over 6 million people worldwide to sign, send, and manage documents — wherever they are, on any device. Skip printing, scanning, and waiting. With SignNow, you can get legally binding e-signatures in minutes. SIGN & SEND DOCUMENTS • Sign PDFs, Word files, and other formats in just a few taps • Send documents to one or more recipients via email or link • Set the signing order and assign roles • Get notified in real time when documents are opened or signed • Collect in-person signatures with Kiosk Mode — ideal for events, front desks, or check-ins FILL & EDIT DOCUMENTS • Fill out forms, add text, checkboxes, dates, and stamps • Convert images (JPEG, PNG, BMP, etc.) into PDFs • Import files from email, Google Drive, Dropbox, OneDrive, and more • Create reusable templates for documents you send often MANAGE YOUR DOCUMENT WORKFLOW • Collaborate with your team on shared documents • Track document status and view detailed audit history • Organize files into folders for quick access • Store all signed documents securely SECURITY & COMPLIANCE • 256-bit encryption for data in transit and at rest • Legally binding e-signatures compliant with ESIGN, UETA, and eIDAS • Detailed audit trails with timestamps, IP addresses, and signer info • Works offline — sign and edit documents without internet, sync when back online • Supports MobileIron AppConnect for enterprise-grade security MORE WAYS TO WORK • Sign in with your Google or Apple account • Access documents from mobile or web • Print documents directly from the app • Use widgets for quick access to key actions Start with a free 7-day trial — no credit card required. SUBSCRIPTION INFORMATION Payment will be charged to your iTunes account upon confirmation. The subscription automatically renews unless auto-renewal is turned off at least 24 hours before the end of the current billing period. Manage your subscription in Account Settings after purchase. Privacy Policy: https://www.signnow.com/privacy_policy Terms of Service: https://www.signnow.com/terms

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

SignNow4 screens
Sign PDF documents4 screens

Verdict

The call

The clearest difference is review sentiment: SignNow at 65% against Sign PDF documents's 22%. SignNow also leads on rating (4.5 vs 1.0) and ads (none vs shown). Sign PDF documents's advantage is monetization model (ad-supported vs free with in-app purchases). On price, in-app purchases, device support 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. SignNow sells 9 in-app purchases, starting at $2.99 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

SignNow holds the better App Store score, 4.5 against 1.0. That said, the two scores are not equally well evidenced: SignNow has 18K ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 65% of SignNow's written reviews are positive against 22% of Sign PDF documents's.

UpkeepUpdate frequency

SignNow ships an update every 9 days, Sign PDF documents every 3 weeks. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

Scorecard7 real differences · 4 level
SignNow versus Sign PDF documents: the parameters behind the verdict, then further details
ParameterSignNowSign PDF documents
PriceFreeFree
Rating4.5 (18K ratings) — better1.0 (1 ratings)
Positive reviews65.0% of reviews — better22.2% of reviews
Number of ratings18K — better1
Update frequencyEvery 9 days — betterEvery 3 weeks
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesAd-supported — better
Best chart rank#85 — better—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod, Mac — better
Requires iOS15.015.0
Further details — not scored
Size430 MB19 MB
Age rating+44+
DeveloperairSlate, Inc.Emanuele Floris

Customer experience

SignNow

All ratings18,183 ratings
Positive86.9%
Neutral2.2%
Negative11.0%
Written reviews1,427 reviews
Positive65.0%
Neutral3.5%
Negative31.5%

Sign PDF documents

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

Bugs and requests

SignNow

Reported bugs

5 issues
  • Text alignment issues
  • Signature ID not working
  • Signed documents disappearing
  • Inability to open/edit signed documents
  • Crashes and freezes

Requested features

6 requests
  • Ability to paste text
  • Improved text alignment and resizing
  • Bulk scanning and document management
  • Duplicate text boxes
  • Rotate/resize signature box
Show 1 more
  • Improved mobile interface

Sign PDF documents

Not enough reviews yet to summarise bugs or requests.

In-app purchases

9 purchases

SignNow

Subscriptions9
  • SignNow$2.991 Month
  • SignNow$4.991 Month
  • SignNow Business2 variants$6.991 Month
Show 6 more
  • SignNow Pro$14.991 Month
  • signNow Business Monthly2 variants$19.991 Month
  • SignNow Business, free trial7 Days trial$19.991 Month
  • SignNow$23.991 Year
  • SignNow Premium$24.991 Month
  • SignNow Business, free trial7 Days trial$95.991 Year
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 SignNow free?
SignNow 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, SignNow or Sign PDF documents?
SignNow is rated higher. SignNow averages 4.5 out of 5 from 18K ratings, while Sign PDF documents averages 1.0 from 1 ratings.
Do SignNow or Sign PDF documents have ads?
Sign PDF documents shows ads; SignNow does not.
Which is updated more often, SignNow or Sign PDF documents?
SignNow ships an update every 9 days, and Sign PDF documents every 3 weeks. Most recently, SignNow was updated on October 29, 2026 and Sign PDF documents on October 24, 2026.

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