Effective Date: April 8, 2026
Gravity Focus ("App") respects your privacy and is committed to protecting your personal data. This Privacy Policy explains how we collect, use, store, and safeguard your information in accordance with applicable privacy laws including the Korean Personal Information Protection Act (PIPA), the EU General Data Protection Regulation (GDPR), and the Japan Act on the Protection of Personal Information (APPI).
| Data | Purpose |
|---|---|
| Email address | Account identification, login, customer support |
| Google account info (name, profile photo) | Social login, user identification |
| Nickname, bio | Profile settings, user identification |
The following information is anonymous data that cannot identify individuals, and is exempt from the Korean Personal Information Protection Act (PIPA) under Article 58-2. IP addresses are not collected.
Anonymous Statistics Collection: The above information is collected by default for new installations. You can choose to disable collection during initial setup (onboarding) or at any time in Settings.
| Legal Basis | Processing Activities |
|---|---|
| Contract Performance | Core app features (task management, routines, focus sessions, journal, cloud sync) |
| Consent | Analytics data collection (Amplitude), crash reporting (Firebase Crashlytics) |
| Legitimate Interest | Security, service stability, fraud prevention |
| Legal Obligation | Retention of payment records as required by law |
Principle: We retain your data only as long as necessary for the purposes described above.
Account Deletion: All personal data is permanently deleted upon request (except where retention is required by law).
| Data Type | Retention Period | Reason |
|---|---|---|
| Subscription/payment records | 5 years | Electronic Commerce Act (Korea) |
We do not share your personal information with third parties except in the following cases:
We use the following third-party services to operate the App. Your data is transferred to servers located in the United States:
| Service Provider | Purpose | Data Transferred | Country | Retention |
|---|---|---|---|---|
| Google LLC (Firebase) | Authentication, data storage, error reporting | Email, user data, error logs | United States | Duration of service use |
| Google LLC (Drive) | Backup to user's own Google Drive (optional) | Encrypted app data | United States | Duration of service use |
| Amplitude, Inc. | App usage analytics | Anonymous device ID, app usage events | United States | Duration of service use |
| RevenueCat, Inc. | Subscription management | App user ID, subscription status | United States | Duration of service use |
You may refuse international data transfer, but this may limit your use of the service.
Safeguards for International Transfers: All data is transmitted via HTTPS encryption. Our service providers maintain appropriate data protection measures and comply with applicable data protection regulations.
We use Amplitude for service improvement. All collected data is anonymous statistical information that cannot identify individuals:
We use RevenueCat for in-app subscription management:
We use Firebase Crashlytics for stability improvement:
When you enable cloud synchronization, your app data is backed up to your own Google Drive storage. Data is not transmitted to the app operator's servers.
The App collects the following behavioral information for service improvement:
| Item | Details |
|---|---|
| Data Collected | App usage events, screen views, feature usage patterns, session data |
| Collection Method | Automatic collection via Amplitude (enabled by default for new installations) |
| Purpose | Service improvement and user experience optimization |
| Transmission | HTTPS encrypted transmission (IP addresses not collected) |
| How to Opt Out | During initial setup (onboarding) or turn off "Analytics Data Collection" toggle in Settings (More menu) |
You have the following rights regarding your personal data:
How to exercise your rights: Use in-app settings or contact us at the email below.
Account Deletion: Account Deletion Guide
Even after consent withdrawal, data required to be retained by law will be kept for the legally mandated period.
If you are an EU resident, you additionally have the right to:
When the retention period expires or the purpose of processing is achieved, personal data is destroyed without delay:
The App does not collect personal information from children under the age of 14. If a child under 14 wishes to use the service, parental or legal guardian consent is required.
Business Information
Company: ZeroGravity
Representative: Sanghoon Lim
Business Registration: 203-36-74814
Address: 904-11, 9F, 144 Wanjeong-ro, Seo-gu, Incheon, Republic of Korea
Data Protection Officer
Email: skadldh@gmail.com
If you have any questions about this Privacy Policy, please contact us at the email above.
If you need to report or consult about personal data infringement:
This Privacy Policy is effective from the date stated above. Any additions, deletions, or corrections will be announced through the App or this page at least 7 days before the changes take effect.