Privacy Policy for Intervals

Introduction

This Privacy Policy describes how Intervals ("we", "our", or "the app") collects, uses, and shares information about you when you use our mobile application.

Intervals is committed to protecting your privacy. We do not collect personal information, do not require user accounts, and store all productivity data locally on your device.

Information We Collect

1. Information You Provide

Local Data Storage:

• Focus session records (start time, duration, completion status)
• Timer settings and preferences
• Progress statistics (total focus time, streaks, session history)
• Selected timer presets

Important: All this data is stored locally on your device only. We do not have access to this information, and it is never transmitted to our servers.

2. Automatically Collected Information

Analytics Data:

We use Google Firebase Analytics to understand how the app is used. This includes:

• App screens visited
• Features used (timer presets selected, settings changed)
• Session events (started, completed, interrupted)
• Device information (device model, operating system version)
• App performance data (crashes, errors)

Advertising Data:

We use Google AdMob to display advertisements during break periods. AdMob may collect:

• Device identifiers (Advertising ID)
• IP address (approximate location)
• Ad interaction data (views, clicks)
• Device information

3. Information We Do NOT Collect

We do not collect:

• ❌ Personal information (name, email, phone number)
• ❌ Precise location data
• ❌ Photos or camera access
• ❌ Contacts or calendar data
• ❌ Microphone or audio recordings
• ❌ User accounts or login credentials
• ❌ Payment information

How We Use Your Information

Analytics

We use Firebase Analytics to:

• Understand which features are most popular
• Identify and fix technical issues
• Improve app performance and user experience
• Analyze usage patterns and trends

Advertising

We use Google AdMob to:

• Display relevant advertisements during break periods
• Generate revenue to support app development
• Provide a free service to users

Local Data

Your locally stored data is used to:

• Track your focus sessions and progress
• Calculate streaks and statistics
• Maintain your timer preferences
• Provide you with productivity insights

Data Sharing and Third Parties

We do not sell, rent, or share your personal information. However, we use third-party services that may collect information:

Google Firebase Analytics

• Purpose: App analytics and performance monitoring
• Data Collected: Usage data, device information, app events
• Privacy Policy: https://policies.google.com/privacy
• Data Retention: 14 months (configurable)

Google AdMob

• Purpose: Display advertisements
• Data Collected: Advertising ID, device info, ad interactions
• Privacy Policy: https://policies.google.com/privacy
• Opt-Out (Android): Settings → Google → Ads → Opt out of Ads Personalization
• Opt-Out (iOS): Settings → Privacy → Advertising → Limit Ad Tracking

Your Rights and Choices

Access and Deletion

• View Your Data: All your data is viewable within the app (Progress screen, Settings)
• Delete Your Data: Use "Reset Data" in the Progress screen or uninstall the app
• Export Data: Currently not available (all data is local-only)

Opt-Out of Personalized Ads

• iOS: Settings → Privacy → Apple Advertising → Personalized Ads (toggle off)
• Android: Settings → Google → Ads → Opt out of Ads Personalization

Children's Privacy

Intervals is suitable for users of all ages. We do not knowingly collect personal information from children under 13 (or applicable age in your jurisdiction).

If you are a parent or guardian and believe your child has provided us with personal information, please contact us. We will delete such information immediately.

The app complies with:

• Children's Online Privacy Protection Act (COPPA) - United States
• General Data Protection Regulation (GDPR) Article 8 - European Union

Contact Us

If you have questions, concerns, or requests regarding this Privacy Policy or your data, please visit our Support page.

Summary

Your rights:

• ✓ View all data in the app
• ✓ Delete data anytime
• ✓ Opt out of personalized ads
• ✓ Request information deletion (GDPR/CCPA)

Our commitment:

• 🔒 Privacy-first design
• 🔒 Local data storage
• 🔒 No data selling
• 🔒 Transparent data practices