Comparison

SigningHub 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

SigningHub

Streamline document workflows for businesses by preparing, delivering, and digitally signing documents with advanced security and real-time tracking. Ensure legal enforceability and compliance with international standards.

Highlights
  • Advanced long-term digital signatures
  • Flexible document workflow preparation
  • Electronic and digital signature support
  • Secure document encryption (AES 256-bit)
  • Real-time status and workflow tracking
  • Integration with Google Drive and Dropbox
Features
Read full description

SigningHub optimises how businesses deliver, review, approve and sign documents. It provides users with the ability to prepare and digitally sign business documents with advanced long-term digital signatures, flexible document workflow and approval and status tracking. *** SigningHub wins productivity & collaboration product of the year at the UK Cloud Awards 2016 Every SigningHub digital signature is legally enforceable and complies with international regulatory bodies. Aligning to ISO standards ensures documents can be verified independently of SigningHub and even offline. SigningHub enables organisations to reduce costs, increase data security, improve process efficiency, and prevent time-consuming errors. Key Features • Ability to get documents from Google Drive and Dropbox • Workflow preparation for the document signing • Support for Electronic Signatures and Digital Signatures • Support for TouchID and Secure Enclave for the Authorised Qualified Signatures • Advanced long-term digital signatures • Strong document security using AES 256-bit encryption over TLS/SSL • Increases productivity and collaboration by getting documents signed faster Simplicity • Intuitive and easy to use for busy non-technical users • Allow user to prepare and design the workflow • Draw e-signature mark using stylus or finger • Sign on the same device with in-person signatures • Review and sign anytime and from anywhere Advanced Security • Strong encryption for advanced digital signatures using individual PKI certificates • Additional high strength authentication such as one-time-password (OTP) • Completely standards-based ensures signatures are verifiable using ISO format PDF readers • PKI cryptography provides underlying trust and data integrity Traceability • Signing evidence is embedded directly into digitally signed document • Documents can be independently verified using ISO standard PDF reader • Document workflow and signing status is available with real-time traceability • App syncs directly with user’s online SigningHub account Cost SigningHub for iOS is FREE. To use this app, simply link it to your existing SigningHub account. You can register for a FREE trial account from within this app.

About

Sign PDF Documents

Easily sign PDF documents, contracts, and forms directly on your iPhone or iPad. Scan paper documents, add your digital signature, and include text or stamps without needing to print or fax. All your data is stored locally for maximum privacy.

Highlights
  • Sign PDFs from various sources
  • Scan and sign paper documents
  • Add digital signatures and stamps
  • AI-powered document summaries
  • Offline functionality
  • Siri Shortcuts integration
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

SigningHub4 screens
Sign PDF Documents4 screens

Verdict

The call

The clearest difference is rating: Sign PDF Documents at 4.9 against SigningHub's 2.3. Sign PDF Documents also leads on update cadence (every 3 weeks vs every 2 months) and ratings volume (55 vs 3). SigningHub's advantage is in-app purchases (none vs 6) and iOS requirement (14.0 vs 17.0). On price, ads and device support 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 6 in-app purchases, starting at $4.99 per 7 days. SigningHub asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Sign PDF Documents holds the better App Store score, 4.9 against 2.3. That said, the two scores are not equally well evidenced: Sign PDF Documents has 55 ratings behind it against 3, so its average is the more settled of the two.

UpkeepUpdate frequency

SigningHub ships an update every 2 months, Sign PDF Documents every 3 weeks. The most recent releases landed on November 6, 2026 and November 12, 2026 respectively.

Scorecard6 real differences · 4 level
SigningHub versus Sign PDF Documents: the parameters behind the verdict, then further details
ParameterSigningHubSign PDF Documents
PriceFreeFree
Rating2.3 (3 ratings)4.9 (55 ratings) — better
Positive reviews33.3% of reviews—
Number of ratings355 — better
Update frequencyEvery 2 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS14.0 — better17.0
Further details — not scored
Size92 MB88 MB
Age rating4+4+
DeveloperAscertiaNextPixel apps

Customer experience

SigningHub

All ratings3 ratings
Positive33.3%
Neutral0.0%
Negative66.7%
Written reviews6 reviews
Positive33.3%
Neutral0.0%
Negative66.7%

Sign PDF Documents

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

In-app purchases

None

SigningHub

No in-app purchases

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 SigningHub free?
SigningHub is free to download, with no in-app purchases.
Is Sign PDF Documents free?
Sign PDF Documents is free to download, with in-app purchases available.
Which has better reviews, SigningHub or Sign PDF Documents?
Sign PDF Documents is rated higher. SigningHub averages 2.3 out of 5 from 3 ratings, while Sign PDF Documents averages 4.9 from 55 ratings.
Do SigningHub or Sign PDF Documents have ads?
Neither SigningHub nor Sign PDF Documents shows ads.
Which is updated more often, SigningHub or Sign PDF Documents?
SigningHub ships an update every 2 months, and Sign PDF Documents every 3 weeks. Most recently, SigningHub was updated on November 6, 2026 and Sign PDF Documents on November 12, 2026.

Other comparisons