CheckMate Privacy Policy

Last Updated: February 18, 2025

## Introduction

Welcome to CheckMate ("we," "our," or "us"). We are committed to protecting your privacy and ensuring the security of your personal information. This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you use our mobile application and related services.

## Information We Collect

### Personal Information

- Phone numbers (for invitation and authentication purposes)

- Username

- Group membership information

- Habit tracking and scoring data

- Device information and app usage data

### How We Collect Information

- Direct input from you (usernames, phone numbers)

- Automatically through app usage (scoring data, group interactions)

- Contact information (when you choose to invite friends)

- Firebase Analytics and Crashlytics for app performance and stability

## How We Use Your Information

### Core Functionality

- Creating and managing user accounts

- Facilitating group creation and management

- Processing habit tracking and scoring

- Enabling group invitations and communications

- Providing personalized experiences

### Technical Purposes

- Improving app performance and stability

- Debugging and error resolution

- Analyzing usage patterns to enhance features

- Ensuring proper synchronization across devices

## Data Storage and Security

### Firebase Services

We use Google Firebase for:

- User authentication

- Data storage

- Real-time updates

- Analytics

Your data is stored securely on Firebase servers with industry-standard encryption and security measures.

### Local Storage

Some data is stored locally on your device for offline functionality and improved performance.

## Data Sharing and Disclosure

### Within Groups

- Username and scoring data are shared with group members

- Group messages and interactions are visible to group members

### Third-Party Services

We only share data with:

- Firebase (for core functionality)

- Apple (for crash reporting and analytics)

### Legal Requirements

We may disclose information if required by law or to protect rights and safety.

## Your Rights and Choices

You can:

- Access your personal information

- Request data deletion

- Modify your profile information

- Control contact permissions

- Opt out of communications

- Delete your account

## Data Retention

- Active account data is retained while your account is active

- Deleted account data is removed within 30 days

- Some data may be retained for legal compliance

## Children's Privacy

CheckMate is not intended for users under 13. We do not knowingly collect information from children under 13.

## Changes to Privacy Policy

We may update this policy periodically. We will notify you of significant changes via the app or email.

## Contact Us

For privacy-related questions or concerns:

Email: support@checkmatehabits.com

## California Privacy Rights

California residents have additional rights under CCPA. Contact us for more information.

## International Users

By using CheckMate, you consent to data transfer and processing in the United States.