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Privacy Policy

Last updated: March 29, 2026

1. Introduction

Calendar Assistant ("we", "our", or "the Service") is a productivity tool that helps users manage their calendar using natural language via Telegram and other interfaces.

We respect your privacy and are committed to protecting your personal data. This Privacy Policy explains what data we collect, how we use it, and your rights.

2. Information We Collect

2.1 Google Account Data

When you connect your Google account, we may access:

  • Google Calendar events (read/write)
  • Basic profile information (if provided by Google)

We only access the minimum data necessary to provide core functionality.

2.2 Telegram Data

When you use our Telegram bot, we may collect:

  • Telegram user ID
  • Username and display name
  • Messages you send to the bot

2.3 Usage Data

We may collect:

  • Commands and interactions
  • Timestamps of actions
  • Feature usage

This helps us improve the service.

2.4 Payment Information

Depending on the payment method used:

Telegram Stars

Payments are processed by Telegram. We do not collect your payment details.

Stripe (future)

Payments may be processed by Stripe. We do not store full card details.

3. How We Use Your Data

We use your data to:

  • Create, update, and manage calendar events
  • Process user requests via AI
  • Provide customer support
  • Improve functionality and performance
  • Manage subscriptions and access

4. Data Storage and Security

We store data securely using modern cloud infrastructure.

We implement appropriate technical and organizational measures to protect your data from unauthorized access, loss, or misuse.

5. Data Sharing

We do NOT sell your personal data.

We may share data only with:

  • Google (to access Calendar functionality)
  • Telegram (for bot interaction)
  • Payment providers (Telegram, Stripe)

All third parties process data according to their own privacy policies.

6. Data Retention

We retain your data only as long as necessary to provide the Service.

You may request deletion of your data at any time.

7. Your Rights

You have the right to:

  • Access your data
  • Request correction
  • Request deletion
  • Revoke access at any time

You can revoke Google access via your Google account settings.

8. Third-Party Services

Calendar Assistant relies on:

We are not responsible for third-party policies.

9. Changes to This Policy

We may update this Privacy Policy from time to time. Changes will be posted on this page.

10. Contact

If you have any questions, contact us at: your-email@example.com

11. Google API Services Disclosure

Calendar Assistant's use and transfer of information received from Google APIs adheres to the Google API Services User Data Policy, including the Limited Use requirements.

12. Data Usage Limitation

We only use Google user data to provide user-requested features and do not use it for advertising or resale.