Privacy Policy

Effective Date: November 1, 2025

This Privacy Policy describes how muecal ("we", "our", or "us") collects, uses, and shares information when you use our music events calendar service.

1. Information We Collect

1.1 Spotify Account Information (Optional)

If you choose to connect your Spotify account, we collect:

• Spotify user ID
• Display name
• Email address
• Country
• Profile picture (if available)

1.2 Google Account Information (Optional)

If you choose to login with your Google account, we collect:

• Google user ID
• Display name
• Email address
• Profile picture (if available)

1.3 My Artists Data

We store the following information when you use our "My Artists" feature:

• Artist names you add to your list
• Artist images and information from Bandsintown
• Timestamps of when artists were added

1.4 Session Information

• Session cookies for maintaining your login state
• Language preferences (English or Japanese)
• View mode preferences (mobile or desktop)

2. How We Use Your Information

We use the collected information to:

• Provide personalized event calendars based on your favorite artists
• Fetch real-time concert and event data from Bandsintown API
• Maintain your login session and user preferences
• Improve our service and user experience

3. Information Sharing

We do not sell, trade, or rent your personal information to third parties.

We share information only in the following limited circumstances:

• Spotify: We use your Spotify authentication to access your profile information (with your consent)
• Google: We use your Google authentication to access your profile information (with your consent)
• Bandsintown: We query the Bandsintown API using artist names to retrieve event information

We do NOT share your personal data with advertisers, data brokers, or other monetization services.

4. Data Retention

• Session Data: Stored only during your active session (24 hours)
• My Artists Data: Retained until you delete artists or request account deletion
• Spotify Data: Access tokens are stored only during your active session

5. Data Security

We implement industry-standard security measures to protect your data:

• Secure HTTPS connections
• Encrypted database storage
• Session-based authentication
• No storage of Spotify passwords

6. Cookies and Tracking

6.1 Essential Cookies (Always Active)

These cookies are necessary for the website to function and cannot be disabled:

• Session management and login state
• Language preferences (English/Japanese)
• View mode preferences (mobile/desktop)
• Terms of Service acceptance status

6.2 Analytics Cookies (Optional - Requires Your Consent)

With your consent, we use Google Analytics 4 to understand how visitors use our service:

• Provider: Google LLC (United States)
• Purpose: Anonymous usage statistics, page view tracking, user behavior analysis to improve our service
• Data Collected: Page URLs, device type, browser, country, anonymized IP address, session duration
• Data Retention: 2 months in Google Analytics
• Third-party Policy: Google Privacy Policy
• Data Transfer: Your data may be transferred to Google servers in the United States under Standard Contractual Clauses (SCCs)

6.3 Managing Your Cookie Preferences

You have full control over analytics cookies:

• Accept or reject analytics cookies via our cookie consent banner (shown on first visit)
• Change your preferences at any time using the "Cookie Settings" link in the page footer
• Use your browser settings to block all cookies (may affect site functionality)
• Clear your browser's local storage to reset all preferences

Important: We do NOT use cookies for tracking you across other websites or selling your data to third parties.

6.4 Advertising Cookies (Optional - Requires Your Consent)

With your consent, we display ads from Google AdSense to support our free service:

• Provider: Google LLC (Google AdSense)
• Purpose: Display relevant advertisements and measure ad effectiveness
• Data: Google may use cookies to show personalized ads based on your browsing activity across websites
• Privacy Policy: Google Privacy Policy
• Opt-out: Visit Google Ad Settings to manage your ad preferences

6.5 Affiliate Links

We participate in the Amazon Associates program:

• Amazon Associates: Some links may earn us a commission if you make a purchase
• This comes at no extra cost to you
• We do not track your purchases or collect personal information through these links
• Commissions help support the free operation of muecal

7. Your Rights

You have the right to:

• Access your stored data
• Delete your "My Artists" data at any time
• Disconnect your Spotify or Google account
• Manage your cookie and advertising consent preferences
• Request complete account deletion

7.1 How to Delete Your Data

To permanently delete all your data from muecal:

1. Log in to your muecal account with Spotify
2. Click on the "🗑️ Delete Your Data" link at the bottom of any page
3. Review the list of data that will be deleted
4. Check the confirmation box to acknowledge that this action cannot be undone
5. Click the "Delete My Data" button
6. Confirm your decision in the dialog box

Note: This action will permanently delete all your artists, shared calendars, preferences, and account data. You will be immediately logged out and can start fresh by logging in again if you wish to use muecal in the future.

→ Go to Data Deletion Page

8. Children's Privacy

Our service is not intended for users under the age of 13. We do not knowingly collect personal information from children.

9. Changes to This Privacy Policy

We may update this Privacy Policy from time to time. We will notify users of significant changes by updating the "Effective Date" at the top of this policy.

10. Contact Us

If you have questions about this Privacy Policy or want to exercise your rights, please contact us:

→ Go to Contact Form