Last updated: March 23, 2026
Welcome to ByteZ ("we", "our", or "us"). This Privacy Policy explains how
we collect, use, and protect your information when you use our mobile
application ByteZ (the "App").
By using ByteZ, you agree to the collection and use of information in
accordance with this policy.
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1. INFORMATION WE COLLECT
a) Account Information
When you sign in using Google Sign-In, we collect:
• Your name
• Email address
• Profile photo URL
• Google User ID
b) Usage Data
We automatically collect:
• Lessons completed
• Quiz scores
• Learning streak data
• XP points earned
• App usage activity
c) Device Information
We may collect:
• Device type and model
• Operating system version
• App version
• Unique device identifiers (for ads)
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2. HOW WE USE YOUR INFORMATION
We use the collected information to:
• Create and manage your user account
• Track your learning progress across devices
• Display your ranking on the leaderboard
• Send daily learning reminders (notifications)
• Show relevant advertisements via Google AdMob
• Improve app performance and user experience
• Provide customer support
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3. THIRD-PARTY SERVICES
ByteZ uses the following third-party services:
a) Google Firebase
• Firebase Authentication — for secure login
• Cloud Firestore — for storing user data and progress
• Firebase Realtime Database — for feedback and ratings
• Privacy Policy: https://firebase.google.com/support/privacy
b) Google AdMob
• We display advertisements using Google AdMob
• AdMob may collect device identifiers and usage data
to show personalized ads
• You can opt out of personalized ads in your
device settings
• Privacy Policy: https://policies.google.com/privacy
c) Google Sign-In
• Used for authentication
• We only access name, email, and profile photo
• Privacy Policy: https://policies.google.com/privacy
d) Piston API (Code Compiler)
• Used to execute code in the live compiler feature
• Code you write may be sent to external servers
for execution
• We do not store your code permanently
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4. DATA STORAGE AND SECURITY
• Your data is stored securely on Google Firebase servers
• We use industry-standard security measures
• Data is stored locally on your device using
encrypted storage (Hive)
• We do not sell your personal information to
third parties
• We retain your data as long as your account
is active
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5. CHILDREN'S PRIVACY
ByteZ is designed for users of all ages including students.
• We do not knowingly collect personal information
from children under 13 without parental consent
• If you believe a child has provided us personal
information, please contact us immediately
• Parents can request deletion of their child's
data by contacting us
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6. ADVERTISING
• ByteZ displays ads powered by Google AdMob
• These ads help us keep the app free for all users
• AdMob may use your device's advertising ID
to show relevant ads
• To opt out of interest-based ads:
Android: Settings → Google → Ads →
"Opt out of Ads Personalization"
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7. YOUR RIGHTS
You have the right to:
• Access your personal data
• Correct inaccurate data
• Delete your account and associated data
• Opt out of personalized advertisements
• Withdraw consent at any time
To exercise these rights, contact us at the
email address below.
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8. DATA DELETION
To delete your account and all associated data:
• Go to Profile → Settings → Delete Account
• Or email us at: [YOUR EMAIL ADDRESS]
• We will delete your data within 30 days
of your request
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9. NOTIFICATIONS
• ByteZ sends daily learning reminders
• You can disable notifications anytime in:
App Settings → Notifications → Toggle Off
OR
Phone Settings → Apps → ByteZ → Notifications
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10. CHANGES TO THIS PRIVACY POLICY
We may update this Privacy Policy from time to time.
• We will notify you of changes via app notification
• The "Last updated" date will be revised
• Continued use of the app after changes means
you accept the new policy
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11. CONTACT US
If you have any questions about this Privacy Policy,
please contact us:
App Name: ByteZ
Developer: [mrkinfotech]