Privacy Policy for GlassFocus

Last Updated: January 24, 2026

Introduction

GlassFocus ("we," "our," or "us") is committed to protecting your privacy. This Privacy Policy explains how we collect, use, and safeguard your information when you use our application across iOS, Android, macOS, and Web platforms.

Information We Collect

Information You Provide

Information Collected Automatically

Information We Do NOT Collect

How We Use Your Information

We use your information solely to:

On-Device Analytics

GlassFocus includes smart productivity insights powered by on-device statistical analysis:

All analysis happens entirely on your device. We do not use cloud-based AI services (such as OpenAI, Google AI, or similar) for any data processing. Your productivity data never leaves your device except when you explicitly enable cloud sync to your own account.

Data Storage

Local Storage (Default)

By default, all data is stored locally on your device using encrypted local storage (SharedPreferences on Android, UserDefaults on iOS). No data is transmitted to external servers unless you explicitly sign in.

Cloud Storage (Premium Feature)

If you sign in with Apple or Google and have a premium subscription, your data is synced to Google Firebase (Cloud Firestore) to enable cross-device access. This includes:

Cloud data is stored in Firebase's secure infrastructure with encryption at rest and in transit.

Calendar Integration (Optional - Premium Feature)

If you enable calendar sync, GlassFocus can:

Calendar access requires your explicit permission and processes data on-device only.

Data Sharing

We do not sell, rent, trade, or share your personal data with third parties for marketing or advertising purposes.

Your data is only transmitted to the following services when you explicitly enable features:

Third-Party Services

We integrate with the following services:

Service Purpose When Used
Firebase Authentication Secure sign-in via Google/Apple When you sign in
Cloud Firestore Cloud data sync Premium users only
Apple Sign-In Authentication on Apple devices When you choose Apple sign-in
Google Sign-In Authentication When you choose Google sign-in
Apple App Store In-app purchases (iOS/macOS) When purchasing premium
Google Play Billing In-app purchases (Android) When purchasing premium

We use native Apple App Store and Google Play billing APIs directly. We do not use third-party purchase management SDKs.

Your Rights

You have the right to:

Account Deletion

Account deletion permanently removes:

Local data on your device remains until you uninstall the app or manually clear app data.

Multi-User Device Support

GlassFocus supports multiple users on shared devices (such as family tablets). Each user's data is stored separately using unique identifiers, ensuring complete data isolation between accounts.

Data Retention

Children's Privacy

GlassFocus is not directed at children under 13 years of age. We do not knowingly collect personal information from children under 13. If you believe we have inadvertently collected such information, please contact us to have it deleted.

Security

We implement the following security measures:

Platform Availability

GlassFocus is available on:

Changes to This Policy

We may update this Privacy Policy periodically. We will notify you of changes by updating the "Last Updated" date. For material changes affecting how we collect or use your data, we will notify you through the app.

Continued use of the app after changes constitutes acceptance of the revised policy.

Contact Us

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

Email: glassfocus1@gmail.com