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Privacy Policy — Tentus

Effective: April 15, 2026

1. Overview

Tentus (“Service”) is a personal knowledge management system. This Privacy Policy describes how we collect, use, and protect your data.

2. Data We Collect

2.1 Information You Provide

  • Email address (required for account)
  • Profile information (name, preferences)
  • Notes and knowledge data (you upload)
  • Settings and configurations

2.2 Information Automatically Collected

  • Login events (timestamp, IP address, device)
  • Feature usage (what you click, when)
  • API requests (for debugging)
  • Error logs (if something breaks)

2.3 Data From Integrations

If you connect Gmail, Google Calendar, Readwise, or similar, we access only what you authorize:

  • Email metadata (sender, subject, date)
  • Calendar events (title, time, attendees)
  • Book highlights (text, book metadata)

You control what we access. Disconnect integrations anytime.

3. How We Use Your Data

  • Provide the Service: Store notes, generate briefings, power search
  • Improve the Service: Analyze usage patterns, fix bugs
  • Security: Detect unauthorized access, prevent abuse
  • Legal: Comply with laws, respond to data deletion requests

4. Data Storage

  • Location: Data stored in the United States (Supabase PostgreSQL, CDN providers)
  • Encryption: In transit (HTTPS), at rest (provider-managed encryption)
  • Retention: We keep your data until you delete it or request account deletion

5. Third-Party Services

We use:

  • Supabase for database hosting
  • OpenAI / Anthropic for AI features (embeddings, summarization)
  • Deepgram for voice transcription
  • CDN / edge for delivery and static assets

These services have their own privacy policies. Your data is processed according to their terms and our instructions.

6. Your Rights (CCPA / GDPR)

You have the right to:

  • Access: Download your data (export in app where available)
  • Delete: Request permanent deletion of your account and associated data
  • Opt-out: Stop optional processing (may limit features)
  • Correction: Update incorrect information in-app

How to request:

We respond to deletion requests within a reasonable time, typically within 30 days.

7. Changes to This Policy

We may update this policy. We will notify you of material changes via email or in-app notice where appropriate.

8. Contact

Questions? Email: privacy@tentus.local

Last updated: April 15, 2026