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Fulcra vs VitalSend™

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

Fulcra compared with VitalSend™
Detail FulcraVitalSend™ logo VitalSend™
What it doesThe user-owned context backend for AI agents Send files encrypted from AI agents
StageGrowing Not given
FoundedNot given Not given
Based inUS SE
Pricing modelFreemium Not given
PricingNot given Free: 3 transfers per month up to 1 GB each with verified email account. One transfer: from €2.50 (up to 1 GB), €3.50 (up to 10 GB), €5.50 (up to 100 GB), €9.50 (up to 1 TB). Basic: €9/month (first month €0.90), 20 credits monthly. Pro: €19/month (first month €1.90), 80 credits monthly. Extra credit
Key features
  • One user-owned context for every agent
  • Agents wake up to what changed since their last loop
  • Readable, traceable context with every change logged
  • End-to-end encryption with AES-256
  • Granular sharing controls with revocable access
  • Right to export, delete, and transparency
  • Context that travels across AI products and models
  • End-to-end encryption with XChaCha20-Poly1305
  • One-time download only, then automatic destruction
  • Supports files up to 1 TB
  • Password protection included by default
  • Integration with Claude, Cursor and Claude Desktop
  • API key support for CI and scripts
  • Resumable uploads for large files
  • No readable file contents stored by service
What makes it different
  • User-owned context that travels with you across AI products
  • Traceable agent activity with full visibility and control
  • Agents coordinate through shared context without learning being trapped in silos
  • End-to-end encryption with no data selling
  • Files encrypted on sender's device before upload
  • Automatic permanent destruction after one download
  • No recovery possible by design
  • Repeated wrong password attempts destroy the transfer
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)37 +3 (up) since last checkNot checked yet no change since last check
Trust Flow (Majestic)200
Citation Flow (Majestic)400
Referring domains (Majestic)5930

4 details filled in for both companies.

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