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ButterShare 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.

ButterShare compared with PKPASS Viewer
DetailButterShare logo ButterSharePKPASS Viewer logo PKPASS Viewer
What it doesSend files directly between devices with encrypted WebRTC, no account and no cloud file storage Open .pkpass files online in your browser without uploading them
StageNot given Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelFree 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
  • Direct device-to-device file streaming with no cloud storage
  • No file size limits for transfers
  • End-to-end encryption with cryptographic keys
  • No account or signup required
  • Works on all modern browsers and devices
  • QR code and room code sharing options
  • Native disk streaming for large files
  • Folder structure preservation during transfer
  • Supports up to 10,000 files per session
  • Resumable transfers with checkpoint data
  • 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
  • No cloud server storage intermediary for maximum privacy
  • Zero-knowledge architecture with ephemeral session keys
  • Unlimited file sizes with no subscription fees
  • Instant sharing without email verification or login
  • Transfer speeds at local gigabit rates on same network
  • 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)29 +1 (up) since last check3 no change since last check
Trust Flow (Majestic)85
Citation Flow (Majestic)3017
Referring domains (Majestic)607

4 details filled in for both companies.

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