Privacy Policy

Effective: March 1, 2026

Last modified: March 1, 2026

Bitnara ("Company") values the privacy of BrainFit ("App") users and is committed to protecting personal information in compliance with applicable laws. This privacy policy explains what information the App collects, its purpose, and how it is protected.

1. Information We Collect

1.1 Advertising Data (Automatically Collected)

The free version displays ads via Google AdMob, which may automatically collect:

Advertising identifiers (Android Ad ID / Apple IDFA)
Device information (model, OS version)
IP address (used for approximate location)
App usage data (ad impressions and interactions)

Pro subscribers see no ads and no ad-related data is collected. Users can disable ad personalization in device settings.

See Google Privacy Policy.

1.2 Subscription & Payment

Purchases are processed by Google Play or Apple App Store. We do not directly collect or store payment information such as credit card numbers.

RevenueCat is used for subscription management and processes:

Anonymous app user identifier
Purchase history and subscription status

See RevenueCat Privacy Policy.

1.3 Account & Social Features

For social features such as Galaxy (guild), PvP, friends, and rankings, the following information is collected via Supabase:

User ID (anonymous or social login)
Nickname and profile information
Game records and BQ scores
Galaxy code and social activity data

Social features are optional. If not used, no related data is collected.

See Supabase Privacy Policy.

1.4 Analytics & Error Reporting

To improve the app and ensure stability, we use the following services:

Firebase Analytics: Anonymously collects app usage patterns, screen views, and event data.
Sentry: Collects crash and error information to quickly fix bugs.

Device information (model, OS version)
App version and build number
Stack traces when errors occur
Screen view and feature usage events

All analytics data is collected anonymously and is not used to identify individuals.

1.5 Local-Only Data (Not Transmitted)

The following data is stored only on your device and is never transmitted externally:

Game progress and statistics
BQ Brain Quotient history
Planet evolution and decoration state
Daily missions and attendance records
App settings (theme, senior mode, etc.)
Held currencies (meteor fragments, draw tickets, limited draw tickets, orbit shields)
Achievement records
Challenge mode records
Training plan and session data
Weekly report data

All local data is automatically deleted when you uninstall the app.

2. Purpose of Use

Providing and improving app features
Displaying ads (free version)
Managing subscription status
Providing social features (Galaxy, PvP, rankings)
Ensuring app stability and fixing errors
Improving services through usage pattern analysis

3. Third-Party Services

This app uses the following third-party services:

Service	Purpose	Data Collected
Google AdMob	Advertising	Ad ID, device info, IP
RevenueCat	Subscription management	Anonymous ID, purchases
Supabase	Account & social features	User ID, nickname, game data
Firebase Analytics	App analytics	Anonymous events, device info
Sentry	Error monitoring	Crash logs, device info

4. Data Retention

Local data: Until app is uninstalled
Account data: Until account deletion is requested
Cloud backup: Until user deletes or account is deleted
Ad/analytics data: Per each service provider's policy

5. Children's Privacy

This app is not directed at children under 13. We do not knowingly collect personal information from children. If we learn that we have collected such information, we will delete it promptly.

6. EU User Rights (GDPR)

Users in the European Economic Area (EEA) may exercise the following rights:

Request access, correction, or deletion of personal data
Request processing restrictions
Request data portability
Withdraw consent for ad personalization

A GDPR consent dialog is shown on first launch for EEA users. This setting can be changed at any time within the app.

7. California User Rights (CCPA)

California residents may exercise the following rights:

Request disclosure of data categories and purposes
Request deletion of personal information
Opt out of data sharing ("Do Not Sell My Personal Information")

To opt out of data sharing through AdMob ads, disable ad personalization in your device settings.

8. Security

We use reasonable technical and administrative measures to protect your information. All network communications use HTTPS encryption. On-device data is protected by OS-level app sandboxing. The Supabase database is protected with Row-Level Security (RLS).

9. Changes

We will notify users of material changes through in-app notices or this page. Significant changes will be noted in app update descriptions.

10. Contact

For privacy inquiries or data requests:

Email: help@brainfit.bitnara.net