PDF Signature Validator vs Sign Doc
Price, ratings, monetisation and update history for both apps, side by side ā with what reviewers say about each.
PDF Signature Validator
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PDF Signature Validator is a privacy-focused PDF utility that helps you verify digital signatures, edit documents, convert files, and manage PDFs from one secure and easy-to-use app. Whether you're validating digitally signed agreements, organizing business documents, preparing study materials, or managing everyday PDF files, PDF Signature Validator provides powerful tools with a clean, fast, and intuitive experience. KEY FEATURES: DIGITAL SIGNATURE VERIFICATION ⢠Verify cryptographically signed PDF documents. ⢠Validate trusted certificate chains from supported Certificate Authorities (CAs), including widely used global and Indian providers. ⢠Detect document modifications made after signing. ⢠View signer information, certificate details, timestamps, and signature status. ⢠Verify document authenticity before sharing or printing. PDF VIEWER ⢠Fast and smooth PDF reader. ⢠Continuous and single-page viewing modes. ⢠Search within PDF documents. ⢠Bookmark important pages. ⢠Zoom and navigate documents with ease. PDF EDITOR ⢠Add text annotations. ⢠Highlight, underline, and strike through text. ⢠Draw directly on PDF pages. ⢠Insert images, shapes, stamps, and signatures. PDF CONVERSION ⢠Convert images to PDF. ⢠Convert Word documents (.doc, .docx) to PDF. ⢠Convert Excel spreadsheets (.xls, .xlsx) to PDF. ⢠Create high-quality PDF files in just a few taps. PDF MANAGEMENT ⢠Merge multiple PDF files into one document. ⢠Split PDF documents into separate files. ⢠Compress PDF files for easier sharing. ⢠Rotate, reorder, delete, and extract pages. ⢠Insert blank pages when needed. ID CARD TO PDF ⢠Combine front and back sides of ID cards onto a single PDF page. ⢠Supports Aadhaar Card, Driving License, PAN Card, Voter ID, and other ID documents. ⢠Improve document clarity for better readability. WHY CHOOSE PDF SIGNATURE VALIDATOR? ⢠Secure, privacy-first document processing. ⢠Digital signature verification performed locally on your device. ⢠Fast, lightweight, and easy-to-use interface. ⢠Powerful PDF editing and management tools. ⢠Suitable for professionals, businesses, students, and everyday users. PRIVACY & SECURITY Your PDF documents remain under your control. Core PDF processing and digital signature verification are performed locally on your device, helping protect your privacy and sensitive information. PREMIUM SUBSCRIPTIONS (OPTIONAL) ⢠PDF Signature Validator offers optional auto-renewable Monthly and Yearly Premium subscriptions to unlock advanced features. ⢠Payment will be charged to your iTunes Account at confirmation of purchase. ⢠Subscription automatically renews unless auto-renew is turned off at least 24 hours before the end of the current billing period. ⢠Your account will be charged for renewal within 24 hours prior to the end of the current period. ⢠Subscriptions and auto-renewal can be managed or turned off at any time in your iTunes Account Settings after purchase. --- Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://ankitpal.dev/privacy/pdfsignaturevalidator
Sign Doc
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Scan documents, create a clean signature and export signed PDFs in minutes with Sign Doc. Sign Doc gives you a simple way to scan, sign, organize and share documents right from your iPhone, with no printing, no rescanning and no account to create. SCAN DOCUMENTS Photograph paper documents with your camera and turn them into clear, professional PDF files. Combine several pages into one document, ready to sign or share. CREATE YOUR SIGNATURE Draw your signature on screen or capture a handwritten signature from paper. Remove the background to create a clean, transparent signature that looks natural on any document. SIGN PDF FILES Place your signature exactly where it belongs. Resize and reposition it on the page, preview the finished document and export a PDF that is ready to share. MADE FOR EVERYDAY DOCUMENTS Use Sign Doc for: ⢠Contracts and agreements ⢠Consent and authorization forms ⢠Rental and business documents ⢠School and personal paperwork ⢠Invoices and other documents that need a signature PRIVACY FIRST Document scanning, PDF creation and signing happen on your device. Your documents and PDF contents are not uploaded to our servers. A SIMPLE DOCUMENT WORKFLOW ⢠Scan one page or several ⢠Create and reuse signatures ⢠Capture signatures from paper ⢠Generate transparent signature images ⢠Position and resize signatures ⢠Build and export PDF documents ⢠Share with the iOS share sheet ⢠No account required From paper to signed PDF, Sign Doc helps you finish important documents quickly and with confidence. Download Sign Doc and sign documents easily, anytime. Privacy Policy: https://sites.google.com/view/sign-doc-privacy-policy/home Terms & Conditions: https://sites.google.com/view/sign-doc-terms-conditions/home
Screenshots
Verdict
The clearest difference is in-app purchases: PDF Signature Validator at none against Sign Doc's 4. PDF Signature Validator also leads on ads (none vs shown). On price, device support and iOS requirement there is nothing between them.
Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS
Both are free to download. Sign Doc sells 4 in-app purchases, starting at $5.99 per month. PDF Signature Validator asks for nothing beyond the download.
| Parameter | PDF Signature Validator | Sign Doc |
|---|---|---|
| Price | Free | Free |
| Update frequency | ā | Every 3 days |
| Ads | No ā better | Yes |
| In-app purchases | No ā better | Yes |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details ā not scored | ||
| Size | 60 MB | 59 MB |
| Age rating | 4+ | 4+ |
| Developer | corepal check and pay challan pvt ltd | Siddharth Ghedia |
In-app purchases
PDF Signature Validator
No in-app purchases
Sign Doc
- Pro Monthly$5.991 Month
- Pro Annual3 Days trial$29.991 Year
- Pro Annual Intro1 Year trial$29.991 Year
- Lifetime Pro$59.99
Questions
Is PDF Signature Validator free?
Is Sign Doc free?
Do PDF Signature Validator or Sign Doc have ads?
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