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Stirling PDF vs PDFBetter

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

Stirling PDF compared with PDFBetter
DetailStirling PDF logo Stirling PDFPDFBetter logo PDFBetter
What it doesA free, private PDF editor you can run on any infrastructure. AI-native PDF editor that lets you tell an agent what to do with your documents
StageNot given Not given
FoundedNot given Not given
Based inUS US
Pricing modelFreemium Not given
PricingFree: $0/month includes 60+ PDF tools, web/desktop/self-hosted access, open-source editor, and 1,000 monthly credits. Team: $99/month for 100 users, includes everything in Free plus single sign-on, team workspace, and central control. Enterprise: Custom pricing for regulated and air-gapped deploymen Free plan with 3 edited-document downloads, 3 signature requests, 20 AI credits and 20 OCR pages per month. Starter at $5/month or $39/year. Pro at $15/month or $120/year ($10/month). Business at $24/month or $216/year per seat. AI credit packs from $3 (200 credits) to $40 (5,000 credits). All yearl
Key features
  • PDF reader with lightning-fast reading
  • 60+ PDF editing tools
  • OCR to read scanned pages
  • Classification and tagging
  • Signature validation
  • PDF redaction
  • Compression
  • Routing to multiple destinations
  • API for programmatic access
  • Connectors for tool integration
  • AI agent that accepts plain language instructions to redact, fill forms, edit text, translate, convert and merge documents
  • Edit existing PDF text by clicking and retyping with detected font matching
  • Fill forms and create fillable forms from flat PDFs by detecting fields
  • Request signatures from multiple signers with cryptographic signing and audit trail
  • Private AI mode that keeps nothing after processing confidential documents
  • Document workspaces to ask questions across multiple PDFs with citations
  • Integrations with 9,800+ apps via Zapier and Make
What makes it different
  • Completely free editor forever with no per-seat licensing
  • Run on any infrastructure with files staying yours
  • Process thousands of PDFs with AI-powered automation
  • Every action logged and recorded for compliance
  • AI approves changes before applying, with one undo to revert all edits at once
  • Honest pricing table showing exactly what each plan includes with no hidden limits
  • Saves your form-filling info once and reuses it without storing passwords or card numbers
Community votes00
DR (Domain Rating by Ahrefs)61 no change since last check7 no change since last check
Trust Flow (Majestic)151
Citation Flow (Majestic)4022
Referring domains (Majestic)8727

5 details filled in for both companies.

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