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ButterShare vs DropLink

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 DropLink
DetailButterShare logo ButterShareDropLink logo DropLink
What it doesSend files directly between devices with encrypted WebRTC, no account and no cloud file storage Peer-to-peer file transfer with end-to-end encryption across Mac, Windows, iPhone, and browsers
StageNot given Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelFree Free
PricingNot given Not given
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
  • End-to-end encryption with TLS 1.3 and ed25519 device identity
  • QUIC transport protocol with BBR congestion control
  • Auto-discovery on local network via mDNS/Bonjour
  • NAT traversal for internet transfers
  • AirDrop-style accept/reject requests
  • Automatic ZIP compression for folders
  • No file size limits
  • BLAKE3 verified streaming for integrity
  • Optional password protection
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
  • No accounts, no sign-ups, no telemetry required
  • Files transfer directly between devices—no cloud storage
  • Receiver can download via browser without installing the app
  • Works across Mac, Windows, iPhone, Android, and any browser from one app
  • Automatic encryption on every transfer with no configuration needed
Community votes00
DR (Domain Rating by Ahrefs)25 +2 (up) since last checkNot checked yet no change since last check
Trust Flow (Majestic)80
Citation Flow (Majestic)3010
Referring domains (Majestic)608

4 details filled in for both companies.

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