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Slingdrop vs PKPASS Viewer

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

Slingdrop compared with PKPASS Viewer
DetailSlingdrop logo SlingdropPKPASS Viewer logo PKPASS Viewer
What it doesShare files and folders as links that last, collect comments and approvals, and review what your AI agents build Open .pkpass files online in your browser without uploading them
StageNot given Not given
FoundedNot given Not given
Based inSE Not given
Pricing modelFreemium Freemium
PricingNot given Free: view passes, see barcodes, save as PNG, one-pass PDF. Trip Pass: US$4.90 once for 30 days (multi-pass PDF export). Pro monthly: US$6.90 per month. Pro yearly: US$39 per year.
Key features
  • In-browser viewers for PDFs, decks, documents, spreadsheets, images, audio, video, code and folders
  • Living links that update all recipients when files are replaced
  • Page-level analytics tracking viewer time and engagement
  • Present Live for synchronized viewing across devices
  • File requests with checklists and automatic reminders
  • Nearby encrypted peer-to-peer file transfer
  • End-to-end encrypted Vault drops with AES-256-GCM
  • MCP server for AI agents to share and receive feedback on generated work
  • CDN file hosting via CLI command for app assets
  • View .pkpass files in browser without upload
  • Display pass front, back, barcode and all fields
  • Save pass as PNG image
  • Export to print-ready PDF on A4 or US Letter
  • Barcode drawn at full resolution for scanning and printing
  • Support for multiple barcode formats
  • View raw pass.json for debugging
  • Multi-pass PDF export (2 or 4 per page)
  • Works on Android, Windows, Mac, Linux and ChromeOS
  • License key works on up to 3 devices simultaneously
What makes it different
  • AI agents can integrate natively via MCP to show their work for human review and iterate
  • Built-in file hosting CDN for apps without separate service required
  • Timestamped comments on audio and video for precise feedback
  • Runs entirely in browser—no upload, no server processing, privacy by design
  • Free viewing and single-pass PDF; multi-pass export is the only paid feature
  • Made and maintained by one independent developer with extensive testing
  • Accepts USDT crypto payment for Trip Pass in addition to card
  • 14-day refund policy with no questions asked
Community votes00
DR (Domain Rating by Ahrefs)Not checked yet no change since last check3 no change since last check
Trust Flow (Majestic)05
Citation Flow (Majestic)1817
Referring domains (Majestic)37

4 details filled in for both companies.

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