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PDFGate vs PAdES Studio

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

PDFGate compared with PAdES Studio
DetailPDFGate logo PDFGate PAdES Studio
What it doesGenerate PDFs, collect signatures, and manage documents Digital PDF signatures for macOS
StageNot given Not given
FoundedNot given Not given
Based inCY Not given
Pricing modelFreemium Freemium
PricingPersonal: $9/monthly (500 conversions); Starter: $20/monthly (3,000 conversions, 30 digital signatures); Basic: $50/monthly (10,000 conversions, 200 digital signatures); Professional: $150/monthly (40,000 conversions, 1,200 digital signatures); Professional Plus: $300/monthly (100,000 conversions, 3 Create your first 5 signatures free, then unlock unlimited signing with a one-time purchase
Key features
  • Convert HTML and URLs to PDF
  • Add fillable form fields to PDFs
  • Extract data from PDF forms
  • Add watermarks to PDFs
  • Password protect PDFs
  • Compress PDF files
  • Flatten PDF forms
  • Send documents for electronic signatures
  • Recipient verification with one-time passcode
  • Detailed audit trails with timestamps
  • Keychain signing with support for CryptoTokenKit smart cards
  • Visible signature with optional image, signer name, and signing time
  • RFC 3161 timestamping and long-term validation (LTV)
  • Signature inspection with status, certificate chains, and DSS material review
  • Multiple signatures as independent document revisions
  • Local document processing without server uploads
  • Support for PAdES-B-B, PAdES-B-T, PAdES-B-LT, and PAdES-B-LTA profiles
What makes it different
  • Pay only for successfully signed documents, not per request
  • Unlimited team members included
  • Digitally sealed documents detect any changes after signing
  • Reusable templates reduce document preparation time
  • Simple single POST request API integration
  • Real digital signatures that preserve original PDF bytes, not just image stamps
  • Incremental PDF updates preserve existing signatures as independently verifiable
  • All document processing stays local without server uploads
  • Works with macOS Keychain and supported smart cards without PKCS#11 limitation
  • Verification always unlimited while signing has free tier option
Community votes00
DR (Domain Rating by Ahrefs)29 no change since last check37 no change since last check
Trust Flow (Majestic)117
Citation Flow (Majestic)2916
Referring domains (Majestic)1085

5 details filled in for both companies.

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