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Terasu vs Shelter

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

Terasu compared with Shelter
DetailTerasu logo TerasuShelter logo Shelter
What it doesEvery client project, in plain sight. The Secure Digital Vault for What Matters Most
StageMVP Not given
FoundedNot given Not given
Based inJP US
Pricing modelFreemium Paid
PricingFree: $0/month (2 users, 3 rooms, 500MB storage). Solo: $35/month (1 seat, 10 rooms, 5GB storage). Starter: $69/month (3 users included, +$15 per additional user, 30 rooms, 10GB storage). Business: $199/month (10 users included, +$19 per additional user, unlimited rooms, 50GB storage). Enterprise: C $99 per year with a 30-day free trial. No additional charges for trusted contacts.
Key features
  • Rooms: shared spaces per project with files, conversations, notes, tasks, and decisions
  • File tracking: see which clients opened files and which pages they read
  • Decision timeline: trace agreements over time with original source records
  • Zoom integration: automatic transcript recording and saving to Rooms
  • AI agent with approval: drafts responses, reminders, and reports before human review
  • Task management: assign tasks with due dates to both team and client
  • Slack and LINE sync: messages sync between Room and external chat apps
  • Analytics: view logs, engagement reports, and AI-powered project health scoring
  • Stakeholder map: visualize project relationships with roles and influence
  • Permission controls: choose what clients see and what stays internal per page
  • Secure cloud vault storage for accounts, assets, and wishes
  • Invite up to 10 trusted contacts
  • 10 GB document uploads and file attachments
  • Customizable access timing for trusted contacts
  • Five folder categories for organization
  • Yearly update reminders
  • Zero-knowledge encryption architecture
  • Multi-factor authentication required for access
  • Data export capability
  • Timed access for deceased account holders
What makes it different
  • AI answers questions from Room records with citations to original sources
  • Clients join with one click from invitation email; no account creation required
  • Works alongside existing tools like Backlog and kintone without migration
  • File view tracking shows client engagement and helps spot stalled projects
  • All client-facing messages and reports require human approval before sending
  • Even employees cannot access encrypted data with zero-knowledge architecture
  • One straightforward annual plan with no hidden fees
  • 30-day free trial with no credit card required
  • Data remains accessible for one year after subscription ends
  • Full data export protection if service shuts down
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)8 +1 (up) since last check3 no change since last check
Trust Flow (Majestic)03
Citation Flow (Majestic)1717
Referring domains (Majestic)727

6 details filled in for both companies.

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