Comparison

PDF Converter 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

PDF Converter

This app offers a comprehensive suite of tools for managing, editing, and converting PDF files. It allows users to merge, split, compress, and annotate documents, as well as fill forms and add digital signatures. Convert various file types to PDF and vice versa with ease.

Highlights
  • Merge, split, compress, rotate, unlock, watermark PDFs
  • Edit PDFs with text, shapes, comments, highlights
  • Annotate documents with drawing, text boxes, sticky notes
  • Convert JPG, Word, PPT, Excel, HTML to PDF
  • Convert PDF to JPG, Word, PPT, Excel
  • Fill PDF forms and add digital signatures
  • Password protection and encryption
Features
Read full description

PDF Converter & Editor: Your Complete PDF Toolkit File Management: Every tool you need to use PDFs, at your fingertips. Merge, split, compress, convert, rotate, unlock, and watermark PDFs with ease. Import files from cloud services like Drive, Box, and OneDrive. PDF Editor: Edit PDFs by adding text, shapes, comments, and highlights. A secure and simple tool for all your PDF editing needs. Enhance your PDF experience with our comprehensive PDF Annotation and Reader app. Whether you need to annotate documents for work, study, or personal use, or simply read PDFs with ease, our app has you covered. Key Features: * Annotation Tools: Highlight important text, add comments, draw shapes, and underline or strike through text to mark up your PDFs effectively. * Reader Mode: Switch to Reader Mode for a distraction-free reading experience. Adjust settings such as font size, background color, and brightness to suit your preferences. * Advanced Annotation: Use advanced tools like text box, sticky notes, and freehand drawing to customise your annotations and make your PDFs more interactive. * Document Management: Organise your PDF library with ease. Create folders, rename files, and move documents between folders for efficient file management. * Search and Navigation: Find specific content within your PDFs quickly using the search feature. Navigate through documents easily with page thumbnails and bookmarks. Additional Features: * PDF Form Filling: Fill out PDF forms directly within the app, saving time and paper. * Digital Signatures: Sign documents electronically with ease. Add, edit, or remove digital signatures as needed. * File Protection: Keep your PDFs secure with password protection and encryption. Key Features: Merge PDF: Combine multiple PDF files into one. Split PDF: Divide PDFs into smaller files. Compress PDF: Reduce PDF file size for easy sharing. CONVERT TO PDF JPG to PDF WORD to PDF POWERPOINT to PDF EXCEL to PDF HTML to PDF Additional Features: Invoice maker CV Maker AI PDF Summary CONVERT FROM PDF PDF to JPG PDF to WORD PDF to POWERPOINT PDF to EXCEL Experience the convenience of managing and editing PDFs with our comprehensive PDF Converter and Editor app. Easily merge, split, compress, and convert PDF files, and edit them with our intuitive PDF editor. Download now and unlock the full potential of your PDF files! Subscription Terms & Details Enjoy unlimited access to all features for $29.99/year, with a 3-day free trial. Payment will be charged to your iTunes account once the purchase is confirmed. Your subscription will automatically renew unless auto-renew is turned off at least 24 hours before the end of the current period. You can manage your subscription and disable auto-renewal at any time via your Account Settings. Your account will be charged for renewal within 24 hours prior to the end of the current subscription period. If you start a free trial and decide to subscribe, any remaining trial time will be forfeited. Privacy Policy: https://thepdfedit.com/privacy-policy Terms of Use: https://thepdfedit.com/terms-and-conditions

About

Sign PDF Documents

Easily sign documents like PDFs and other files directly from your device. Scan, capture, or create custom signatures to apply to your files. Manage and share all your signed documents with this offline app.

Highlights
  • Sign documents from files
  • Sign documents from iCloud
  • Sign documents from photos
  • Scan and sign documents
  • Create and capture signatures
  • Edit PDFs with signatures
  • Share signed documents
  • Manage signed documents
Features
Read full description

Sign PDF documents, contracts, and forms in seconds with E-Signature — the fastest electronic signature app for iPhone and iPad. Add your digital signature to any PDF, eSign agreements, and scan paper documents without printing, faxing, or scanning hassle. Pick PDFs from Files, iCloud, Photos, or paste a URL. Scan paper documents with your camera and convert them to PDF instantly. Open any PDF or image directly from the Files app or other apps and start signing immediately. Everything stays private. Your documents and signatures are stored locally on your device — your data never leaves your iPhone or iPad. KEY FEATURES Sign PDF documents from Files, iCloud, Photos, or URLs Open PDFs and images directly from the Files app Scan paper documents with your camera and sign them Draw your signature or type it with 20+ handwriting fonts Capture a paper signature using your camera Use the built-in signature generator to create signatures instantly Add stamps, text, dates, and watermarks to any PDF Generate AI summaries and key points from any document — powered by on-device Apple Intelligence Control the document signer with Siri Shortcuts and voice commands Save and manage multiple signatures with favorites Browse, rename, and share all signed documents Dark Mode support Works completely offline — no internet required WHY CHOOSE E-SIGNATURE Faster than web-based signing tools — sign right on your iPhone No account, no signup, no cloud — open the app and sign The only document signer with built-in scanning, AI summaries, and Apple Watch support Trusted digital signature app for freelancers, founders, and small business owners SIRI SHORTCUTS "Sign a PDF" — opens the file picker "Scan and Sign" — launches the document scanner "Sign from Photos" — pick an image to sign "Open Last Document" — jump back to your most recent file "Show My Signatures" — view all saved signatures PERFECT FOR Signing contracts and NDAs on the go eSigning rental agreements and lease documents Adding electronic signatures to invoices and proposals Signing offer letters, consent forms, and authorization papers Quick PDF edits with text, stamps, and annotations SUBSCRIPTION DETAILS E-Signature offers auto-renewable subscriptions to unlock premium features: Weekly & Monthly Subscription along with Free trial availability Payment will be charged to your Apple ID account at confirmation of purchase. Your subscription will automatically renew unless cancelled 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 at the cost of the chosen plan. You can manage or cancel your subscription anytime in your Apple ID Account Settings. Privacy Policy: https://esign-pdf-documents.nextpixelapps.app/privacy Terms of Service: https://esign-pdf-documents.nextpixelapps.app/terms

Screenshots

PDF Converter4 screens
Sign PDF Documents4 screens

Verdict

The call

The clearest difference is monetization model: Sign PDF Documents at freemium against PDF Converter's subscription. Sign PDF Documents also leads on rating (4.9 vs 4.4). PDF Converter's advantage is ratings volume (6K vs 55) and iOS requirement (15.0 vs 17.0). On price, update cadence, ads 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. PDF Converter sells 13 in-app purchases, starting at $4.99 per 7 days and Sign PDF Documents sells 6 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 PDF Documents holds the better App Store score, 4.9 against 4.4. That said, the two scores are not equally well evidenced: PDF Converter has 6K ratings behind it against 55, so its average is the more settled of the two.

UpkeepUpdate frequency

PDF Converter ships an update fortnightly, Sign PDF Documents every 3 weeks. The most recent releases landed on September 24, 2026 and September 10, 2026 respectively.

Scorecard4 real differences · 6 level
PDF Converter versus Sign PDF Documents: the parameters behind the verdict, then further details
ParameterPDF ConverterSign PDF Documents
PriceFreeFree
Rating4.4 (6K ratings)4.9 (55 ratings) — better
Positive reviews67.3% of reviews—
Number of ratings6K — better55
Update frequencyFortnightly — betterEvery 3 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationSubscriptionFreemium — better
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPad, Apple Watch
Requires iOS15.0 — better17.0
Further details — not scored
Size385 MB89 MB
Age rating17+4+
DeveloperTechgear IncNextPixel apps

Customer experience

PDF Converter

All ratings5,969 ratings
Positive84.0%
Neutral3.5%
Negative12.5%
Written reviews1,396 reviews
Positive67.3%
Neutral4.9%
Negative27.8%

Sign PDF Documents

All ratings55 ratings
Positive98.2%
Neutral0.0%
Negative1.8%

Bugs and requests

PDF Converter

Reported bugs

5 issues
  • Conversion quality issues
  • Orientation problems with PDFs
  • Unreliable file saving
  • Compatibility problems with older devices
  • Frequent crashes and freezes

Requested features

5 requests
  • Improved file management options
  • Seamless integration with cloud storage
  • Enhanced PDF editing capabilities
  • Customizable user interface
  • Better customer support

Sign PDF Documents

Not enough reviews yet to summarise bugs or requests.

In-app purchases

13 purchases

PDF Converter

Subscriptions6
  • PDF Converter Pro with Editor3 Days trial$4.997 Days
  • Image to PDF Converter - PDF PRO$6.997 Days
  • PDF Converter, Monthly Subscription$9.991 Month
Show 3 more
  • PDF Converter Documents To PDF3 Days trial$29.991 Year
  • PDF Converter Pro3 Days trial$39.991 Year
  • PDF Converter - Convert to PDF Pro3 Days trial$49.991 Year
One-time7
  • Unlock-Clipboard-text-editing$0.99
  • Fonts$0.99
  • Unlock-UnLimted Web To PDF$0.99
Show 4 more
  • Dropbox,Box,Drive,SkyDrive and Evernote$0.99
  • Remove Ads$0.99
  • PDF Annotation$0.99
  • Unlockall$19.99
6 purchases

Sign PDF Documents

Subscriptions6
  • PDF Signature weekly plan$4.997 Days
  • Sign PDF Documents with Esign3 Days trial$4.997 Days
  • Sign PDF Documents with Esign$5.997 Days
Show 3 more
  • E-signature documents & PDF$6.997 Days
  • Document sign now - Monthly3 Days trial$7.991 Month
  • PDF Signature - eSign App3 Days trial$9.991 Month

Questions

Is PDF Converter free?
PDF Converter 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, PDF Converter or Sign PDF Documents?
Sign PDF Documents is rated higher. PDF Converter averages 4.4 out of 5 from 6K ratings, while Sign PDF Documents averages 4.9 from 55 ratings.
Do PDF Converter or Sign PDF Documents have ads?
Neither PDF Converter nor Sign PDF Documents shows ads.
Which is updated more often, PDF Converter or Sign PDF Documents?
PDF Converter ships an update fortnightly, and Sign PDF Documents every 3 weeks. Most recently, PDF Converter was updated on September 24, 2026 and Sign PDF Documents on September 10, 2026.

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