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PAdES Studio vs JustFill

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

PAdES Studio compared with JustFill
Detail PAdES StudioJustFill logo JustFill
What it doesDigital PDF signatures for macOS AI app for filling out PDF forms that other software can't open
StageNot given Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelFreemium Not given
PricingCreate your first 5 signatures free, then unlock unlimited signing with a one-time purchase Free tier: preview and first clean download (hand-filled, up to 1 page) with no watermark. $7 7-Day Pass: 25 clean PDF downloads and 25 AI credits (credited toward Starter plan). Starter: $19/month with 250 pages of AI detection, 25 records per batch, 250 AI credits, 3 minutes voice dictation. Pro:
Key features
  • 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
  • AI-powered field detection for scanned, flat, and fillable PDFs
  • Save and reuse form layouts as templates
  • Voice dictation in 5 languages
  • Detects tables, checkboxes, and dotted lines
What makes it different
  • 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
  • Works with scanned, flattened, and non-fillable PDFs that other software cannot open
  • Full data control with review before download and full GDPR compliance
Community votes00
DR (Domain Rating by Ahrefs)37 no change since last check31 no change since last check
Trust Flow (Majestic)710
Citation Flow (Majestic)1630
Referring domains (Majestic)549

4 details filled in for both companies.

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