Last updated: May 17, 2025

This Privacy Policy describes our policies and procedures on the collection, use, and disclosure of your information when you use the Service and tells you about your privacy rights and how the law protects you.

We use your personal data to provide and improve the Service. By using the Service, you agree to the collection and use of information in accordance with this Privacy Policy.

We use Firebase to manage authentication, database services, and analytics, and OpenAI services to generate glossary content and AI-powered explanations within the app. These services may process data as part of delivering their functionality.

In accordance with UK and EU data protection laws (UK GDPR/EU GDPR), you have the right to access, correct, delete, or restrict the processing of your personal data. You may request a copy of the data we hold about you at any time by contacting support.

Words with capitalized initials have specific meanings defined below. These definitions apply whether the words are in singular or plural.

• Account: a unique account created for you to access our Service or parts of it.
   
• Affiliate: any entity controlling, controlled by, or under common control with BrainBundle Ltd.
   
• Application: BrainBundle, the software program provided by BrainBundle Ltd.
   
• Company: BrainBundle Ltd, registered at 71-75 Shelton Street, Covent Garden, London, WC2H 9JQ.
   
• Country: United Kingdom.
   
• Device: any device that can access the Service, such as a smartphone or tablet.
   
• Personal Data: any information that relates to an identified or identifiable individual.
   
• Service: the BrainBundle mobile app.
   
• Service Provider: any third party that processes data on behalf of the Company.
   
• Third-party Social Media Service: platforms such as Google, Facebook, Twitter, etc., which you may use to sign in or interact with the Service.
   
• Usage Data: data collected automatically when using the Service.
   
• You: the individual accessing or using the Service, or a company or entity you represent.
   

When using our Service, we may collect personal data such as:

• Email address
   
• First and last name (if provided)
   
• Username and avatar image (set by you in-app)
   
• Friends list and associated social data (when using friends features)
   
• User-generated content including glossaries, shared glossaries, stories, notes, and posts within Learn Together
   
• Your preferences (e.g. theme settings, sound settings, accessibility preferences)
   

Automatically collected data includes:

• IP address
   
• Device type and OS
   
• App version and screen usage
   
• Feature usage, such as flashcards, quizzes, or Term Dash
   
• In-app events (e.g. XP awarded, sessions started, glossary generated)
   
• Crash reports via Firebase Crashlytics
   

If you log in or interact via services like Google, Facebook, or Apple, we may collect information you have made public on those accounts, such as your name, email address, or profile image.

We use personal data to:

• Provide and maintain the Service
   
• Manage your Account
   
• Enable social features like friends lists, shared glossaries, and Learn Together mode
   
• Track your progress, XP, streaks, and achievements
   
• Sync data across devices using Firebase
   
• Improve app performance, personalization, and usability
   
• Monitor app stability through Crashlytics
   
• Respond to your support requests
   
• Contact you with updates, important notices, or support responses
   
• Comply with legal obligations
   

We do not sell your personal data.

We may share your data:

• With service providers like Firebase and OpenAI, who process data to enable authentication, data syncing, analytics, and AI-powered features like glossary generation
   
• With other users when you choose to share glossaries, stories, or participate in shared or public areas like leaderboards or Learn Together
   
• With social platforms if you connect via third-party login
   
• For business purposes (e.g. mergers, acquisitions)
   
• With your explicit consent, for any other purposes you agree to
   

We retain your data for as long as needed to provide the Service, comply with legal obligations, or improve the Service.
You can delete your data or account at any time via the app or by contacting support.

Data is processed primarily in the UK, EU, and any regions where Firebase or OpenAI services operate. By using the Service, you consent to these transfers. We ensure appropriate protections are in place for international data handling.


AI-Generated Content Disclaimer

BrainBundle includes features that use AI services, including but not limited to OpenAI, to generate glossaries, explanations, and quizzes. These outputs are automatically generated and may contain inaccuracies, errors, or unintended bias. BrainBundle does not guarantee the accuracy, legality, or educational suitability of AI-generated content.
You are solely responsible for how you use AI-generated content. Always cross-check important information and consult qualified professionals where appropriate.

AI outputs are for informational and educational support purposes only and should not be considered as professional advice, nor should they replace your own judgment or responsibility in your studies.

We work with trusted third-party data processors to provide and improve BrainBundle’s services. These partners may process personal data in accordance with their own privacy policies and applicable laws:

• Firebase (Google LLC) — authentication, data storage, analytics, crash reporting.
  Privacy Policy: https://firebase.google.com/support/privacy
   
• OpenAI, L.L.C. — AI-powered glossary and explanation generation.
  Privacy Policy: https://openai.com/policies/privacy-policy
   
• Apple, Inc. (App Store services) — account, payments, crash analytics.
  Privacy Policy: https://www.apple.com/legal/privacy/
   

These services may transfer data outside of the United Kingdom or European Union, including to the United States, where standard contractual clauses and other safeguards are used where applicable.

We regularly review our processor list and may update this section to reflect any changes.

You have the right to:

• Access your data
   
• Correct or update your data
   
• Request deletion of your data
   
• Restrict or object to data processing
   
• Request a copy of your data
   

You can make these requests via in-app settings or by contacting bradley@brainbundle.app.

BrainBundle is not directed at children under 13. We do not knowingly collect data from users under 13. If you believe we have, please contact us, and we will delete the data.

We take appropriate steps to protect your data, including using industry-standard encryption and secure services. However, no method of electronic storage or transmission is completely secure, and we cannot guarantee absolute security.

The Service may contain links to third-party websites. We are not responsible for their content or privacy practices. We recommend reviewing their privacy policies.

We may update this Privacy Policy. We will notify you of major changes in-app or via email before they take effect. The updated policy will always be available inside the app and on our website.

If you have any questions or want to make a data request, contact us at:
📧 bradley@brainbundle.app