Privacy Policy – BrainZen
Last Updated: 2026
Overview
BrainZen is designed to help users run NeuroSky-based sessions such as evaluation, training, and Neurogame, while organizing session history, support content, and guided breathing features.
We value clarity, transparency, and user control. Depending on the feature, data may be processed locally on your device and, when applicable, through selected third-party services required for login, purchases, analytics, or advertising.
Information We Collect
Personal Information
BrainZen does not require you to provide personal information such as your name, email address, or phone number to use the core app features.
If you choose to use optional features such as Google sign-in, basic account information may be handled by the authentication provider, according to its own privacy policy.
Session and App Data
Depending on how you use BrainZen, the app may process and store information such as:
- Session history
- Session type, such as Evaluation, Training, or Neurogame
- Session date and time
- Session settings and configuration
- User-entered mood or state before a session
- Indicators displayed by a compatible NeuroSky device during a session
- Premium access state, rewarded access state, and session-limit status
Important: BrainZen organizes and presents indicators provided by the compatible NeuroSky device and protocol. BrainZen does not claim to create new clinical or proprietary brain metrics beyond what the underlying device and protocol provide.
Device and Technical Information
We may process limited technical information such as:
- Device type
- Operating system version
- App version
- Crash or stability-related diagnostics
- Basic product usage events
This information is used only to improve app performance, compatibility, stability, and product quality.
How We Use the Information
We use the information processed within BrainZen to:
- Run sessions and session-related features
- Save and display session history and reports
- Support BrainZen features such as Breathe Guide, thresholds, and session context
- Enable optional login-related account behavior
- Verify Premium access and rewarded temporary access
- Improve app stability, performance, and usability
- Measure app usage and product issues
- Provide support when needed
We do not sell your personal data.
Data Storage
- Session data may be stored locally on your device
- Some app state, preferences, or premium-related information may also be stored locally
- Session visibility may depend on the active profile or login context in the app
- Sessions created without login may remain associated with a local or default context on the device
- After signing in with a Google account, the visible session list may differ from the local or default history
BrainZen does not represent this behavior as automatic cloud synchronization across devices unless explicitly stated in the app.
If you uninstall the app, locally stored data may be deleted depending on your device settings.
Data Sharing
We do not sell or rent your data.
BrainZen may rely on selected third-party services where necessary to provide specific app functions, such as:
- Google Play Billing for subscriptions and purchases
- AdMob for ads and rewarded ads
- Firebase Analytics for product analytics and diagnostics
- Google Sign-In for optional authentication
These services operate under their own respective privacy policies.
Third-Party Services
BrainZen may use third-party services for:
- Authentication
- Billing and subscriptions
- Analytics and product diagnostics
- Advertising and rewarded access flows
These third-party providers may process limited information according to their own privacy policies and terms.
Children’s Privacy
BrainZen is intended for general audiences.
We do not knowingly collect personal data from children. Since the app does not require personal information for core usage, it is designed to reduce unnecessary data collection wherever possible.
Security
We implement reasonable technical measures to protect data processed within the app.
However, no system is completely secure. By using BrainZen, you acknowledge that you do so at your own risk.
Changes to This Policy
We may update this Privacy Policy from time to time.
Changes will be reflected by the “Last Updated” date at the top of this page. We recommend reviewing this policy periodically.
Contact
If you have questions about this Privacy Policy, please contact:
Nossobit
Email: nossobit@gmail.com