Comparison

SignPDF vs Sign Documents

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

Head to head
About

SignPDF

Easily sign and fill out PDF documents directly on your device without needing an account. Open PDFs from various cloud services, add your signature, text, and checkmarks, then share or save the completed document.

Highlights
  • Sign documents with your finger
  • Fill out PDF forms
  • Add name, initial, and date
  • Open PDFs from cloud storage
  • Export signed documents
  • Print documents via AirPrint
Features
Read full description

Sign documents anywhere with your iPhone/iPod/iPad! No account required! Need to sign or fill out a document? SignPDF makes it quick and easy to do both and forget about printing, scanning, or faxing. Simply: 1) Open any PDF from your iPhone, iPod or iPad’s Email, Dropbox, Google Drive, Box.Net, etc... 2) Fill out form with your name, initial, date, check boxes and sign realistically with your finger 3) Email the signed document to anyone, print it or upload to Dropbox, Google Drive, Box.Net, etc... SignPDF is typically use to sign and fill documents including NDA’s, sales agreements, celebrity endorsements, real estate contracts, financing agreements, permission slips, marriage documents, and more... *** Key Features: - Sign documents with just a finger - No need to print, sign, or fax documents again - Easily add name, initial, date, check boxes and signature to PDF - Your important docs stays with you on your device. We don't upload it our server! - No sign up process or account is needed. Simply sign docs! - Open documents from your email inbox, Dropbox, and more - Export documents to use in other apps - Printing - Print any document with AirPrint enabled printers Pro Version: - Will have 9 credits - No Advertisement How credits work: - Sign and share one document will consume 1 credit, no matter how many pages long the document is.

About

Sign Documents

Effortlessly create and apply your digital signature to various document types directly from your mobile device. This app offers a user-friendly interface for crafting signatures and securing your important files.

Highlights
  • Digital hand signature creation
  • Sign PDF and DOCX documents
  • User-friendly interface
  • Secure document signing
  • Multiple subscription plans
Features
Read full description

Create and sign documents effortlessly with SignIt, your ultimate digital hand signature solution on mobile. Whether you need to add a quick signature to a PDF or sign a Word document, SignIt provides a seamless experience right from your phone. Key Features: 1. Digital Hand Signature Creation: Craft your personal digital signature easily using your phone's touch interface. 2. Sign Multiple Document Types: Quickly add your signature to PDF, DOCX, and other common document formats. 3. User-Friendly Interface: Navigate through a simple, intuitive interface designed for efficiency and ease of use. 4. Secure and Reliable: Safeguard your documents and signatures with robust security measures. Subscription Plans: 1. Weekly Subscription 2. Annual Subscription Privacy Policy: https://signitapp.click/privacy Terms of Use: https://signitapp.click/terms

Screenshots

SignPDF4 screens
Sign Documents4 screens

Verdict

The call

The clearest difference is review sentiment: SignPDF at 85% against Sign Documents's 0%. SignPDF also leads on iOS requirement (6.0 vs 13.0). Sign Documents's advantage is rating (4.7 vs 4.4). On price, ratings volume, 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. SignPDF sells 3 one-off in-app purchases and Sign Documents sells 3 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

Sign Documents holds the better App Store score, 4.7 against 4.4. Both are backed by a comparable volume of ratings — 105 and 39 respectively. Written reviews complicate that: 85% of SignPDF's written reviews are positive against 0% of Sign Documents's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on November 1, 2026 and October 30, 2026 respectively.

Scorecard3 real differences · 7 level
SignPDF versus Sign Documents: the parameters behind the verdict, then further details
ParameterSignPDFSign Documents
PriceFreeFree
Rating4.4 (105 ratings)4.7 (39 ratings) — better
Positive reviews85.1% of reviews — better0.0% of reviews
Number of ratings105 — better39
Update frequencyEvery 3 monthsEvery 3 months
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFreemium
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS6.0 — better13.0
Further details — not scored
Size12 MB55 MB
Age rating4+4+
DeveloperTektrify, IncMR BIKRAMJIT SINGH

Customer experience

SignPDF

All ratings105 ratings
Positive87.6%
Neutral2.9%
Negative9.5%
Written reviews101 reviews
Positive85.1%
Neutral2.0%
Negative12.9%

Sign Documents

All ratings39 ratings
Positive92.3%
Neutral2.6%
Negative5.1%
Written reviews4 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Bugs and requests

SignPDF

Reported bugs

10 issues
  • App crashes when saving or exporting documents
  • Signature placement doesn't match preview
  • App hangs after opening PDF files
  • Freezes on iOS 13.1.3 and newer versions
  • Grey screen loading issue on tablets and phones
Show 5 more
  • PDF export produces unreadable or smeared output
  • App stops working after purchase of paid credits
  • Missing from 'Open in' menu options
  • Fails to open PDFs from Google Drive after updates
  • Sample PDF reappears after deletion

Requested features

7 requests
  • Better credit system or ad-supported alternative
  • Automatic text and signature positioning
  • Ability to delete saved signatures
  • Sync functionality between iPhone and iPad
  • More advanced PDF editing features
Show 2 more
  • Free credits for positive reviews
  • Improved export options and formats

Sign Documents

Not enough reviews yet to summarise bugs or requests.

In-app purchases

3 purchases

SignPDF

One-time3
  • 6 Credits$1.99
  • 24 Credits$4.99
  • Unlimited Credits$19.99
3 purchases

Sign Documents

Subscriptions3
  • SignIt Premium3 Days trial$4.997 Days
  • SignIt Premium3 Days trial$6.997 Days
  • SignIt Premium$19.991 Year

Questions

Is SignPDF free?
SignPDF is free to download, with in-app purchases available.
Is Sign Documents free?
Sign Documents is free to download, with in-app purchases available.
Which has better reviews, SignPDF or Sign Documents?
Sign Documents is rated higher. SignPDF averages 4.4 out of 5 from 105 ratings, while Sign Documents averages 4.7 from 39 ratings.
Do SignPDF or Sign Documents have ads?
Neither SignPDF nor Sign Documents shows ads.
Which is updated more often, SignPDF or Sign Documents?
SignPDF ships an update every 3 months, and Sign Documents every 3 months. Most recently, SignPDF was updated on November 1, 2026 and Sign Documents on October 30, 2026.

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