1. Introduction

Calendar0 ("we," "our," or "us") is committed to protecting your privacy. This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you use our menubar calendar application and related services (collectively, the "Service").

Important: Calendar0 is a desktop application that processes all your data locally on your device. We do not have servers that store or process your calendar data, contacts, or any personal information. Your data never leaves your computer unless you explicitly share it.

By using Calendar0, you agree to the collection and use of information in accordance with this policy.

2. Information We Collect

2.1 Information You Provide

Account information (email address, name)
Calendar data synced from Google Calendar
Preferences and settings within the application
Feedback and correspondence sent to us

2.2 Information Collected Automatically

Usage data (features used, frequency of use)
Device information (operating system, app version)
Error reports and performance data

2.3 Google Account Integration

When you connect your Google account, Calendar0 requests access to:

Calendar data: To display your events and schedule meetings
Contacts (read-only): To enable AI-powered contact search for scheduling
Directory (read-only for Google Workspace): To search your organization's directory
Basic profile information: Your name and email for account identification

All Google data is processed locally on your device. We never receive, store, or have access to your Google data. The application communicates directly with Google's servers from your computer, and all data remains on your device.

3. How We Use Your Information

We use the collected information to:

Provide and maintain the Calendar0 service
Display your calendar events and reminders
Send notifications about upcoming events
Improve and optimize our application
Respond to your comments, questions, and support requests
Send you technical notices and security alerts
Comply with legal obligations

4. Google Limited Use Disclosure

Calendar0's use and transfer to any other app of information received from Google APIs will adhere to the Google API Services User Data Policy, including the Limited Use requirements.

Specifically, Calendar0:

Only uses Google data to provide the calendar and scheduling features you directly request
Never shares your Google data with third parties
Never uses your Google data for advertising
Never stores your Google data on our servers (all processing is local)
Only accesses the minimum data necessary for the requested functionality

5. Data Storage and Security

Local Processing: Calendar0 is a desktop application that runs entirely on your computer. Your calendar data, contacts, and all personal information are processed locally and never sent to our servers.

Security measures include:

All data is stored locally on your device using Electron's secure storage
OAuth tokens are encrypted and stored securely
Direct API calls to Google (no intermediary servers)
No cloud backup or synchronization of your private data

6. Data Sharing and Disclosure

We do not sell, trade, or rent your personal information to third parties. We may share your information only in the following circumstances:

With your consent
To comply with legal obligations
To protect our rights, privacy, safety, or property
In connection with a merger, acquisition, or sale of assets

7. Your Rights and Choices

You have the right to:

Access and receive a copy of your personal data
Correct inaccurate personal information
Request deletion of your personal information
Disconnect calendar integrations at any time
Opt-out of promotional communications

8. Data Retention

We retain your personal information only for as long as necessary to provide you with our Service and as described in this Privacy Policy. When you delete your account, we will delete or anonymize your personal information within 30 days.

9. Children's Privacy

Calendar0 is not directed to individuals under the age of 13. We do not knowingly collect personal information from children under 13. If you become aware that a child has provided us with personal information, please contact us.

10. International Data Transfers

Your information may be transferred to and maintained on servers located outside of your state, province, country, or other governmental jurisdiction where data protection laws may differ from those in your jurisdiction.

11. Changes to This Privacy Policy

We may update our Privacy Policy from time to time. We will notify you of any changes by posting the new Privacy Policy on this page and updating the "Last Updated" date.

12. Contact Us

If you have any questions about this Privacy Policy, please contact us at:

Email: support@calendar0.app

Website: calendar0.app