Terms & Conditions
Last Updated: February 5, 2026
Welcome to Mastery Book! By using our app, you agree to these terms. We've written them in plain English - no legal jargon. Please read them carefully.
Acceptance of Terms
By downloading, installing, or using Mastery Book, you agree to be bound by these Terms and Conditions. If you don't agree with any part of these terms, please don't use the app.
What Mastery Book Is
Mastery Book is a study tool designed to help students track and learn from their mistakes. It's meant to supplement your studies, not replace them. We provide the platform - you provide the hard work!
What You Can Do
You're free to:
- Create and manage your study mistakes
- Add images, notes, and explanations
- Organize mistakes by subject, unit, and lesson
- Back up your data to your Google Drive
- Use the app for personal, non-commercial purposes
- Access all features included in your subscription tier
What You Can't Do
Please don't:
- Reverse engineer or modify the app
- Use the app for any illegal purpose
- Upload harmful or inappropriate content
- Try to hack, spam, or abuse the app
- Share copyrighted study material without permission
- Resell or redistribute the app
Subscriptions & Payments
Free Tier
- Limited to 5 mistakes per subject
- All core features included except adding new subject
- No payment required
Premium (Mastery Book Pro)
- Unlimited mistakes
- Add new Subjects
- Billed monthly or yearly through your app store
- Automatically renews unless you cancel
- Cancel anytime from your device's subscription settings
- Refunds handled by Google Play or Apple App Store
Important: We don't process payments directly. All subscriptions are managed by your app store (Google Play or Apple). Their refund policies apply.
Your Content
You own your content!
Everything you create in Mastery Book (mistakes, notes, images) belongs to you. We don't claim any rights to it.
However, you're responsible for:
- Ensuring you have the right to upload content
- Not violating copyright laws
- Keeping your content appropriate
We reserve the right to remove content that violates these terms.
Data & Privacy
Your data stays on YOUR device. We don't collect or store your study notes on our servers. Backups go to YOUR Google Drive. See our Privacy Policy for full details.
Disclaimers
Educational Tool Only
Mastery Book is a study aid. We don't guarantee exam success, admission to colleges, or specific results. Your success depends on your effort and preparation.
No Warranties
The app is provided "as is" without warranties of any kind. We strive for perfection but can't guarantee the app will be error-free or always available.
Not Medical/Professional Advice
For NEET students: We help you track mistakes, but we're not providing medical advice or guarantees about your medical career.
Limitation of Liability
To the maximum extent permitted by law, we're not liable for:
- Lost data (always keep backups!)
- Exam results or academic performance
- Technical issues or downtime
- Decisions you make based on app usage
- Third-party services (Google Drive, app stores)
Maximum liability: The amount you paid for your subscription (if any) in the past 12 months.
Translation: We built this app to help you succeed, but we can't be held responsible if things don't go as planned. Always back up your important data!
Changes to the App
We're constantly improving Mastery Book! We may:
- Add new features
- Remove or modify existing features
- Update the design
- Fix bugs
We'll try to notify you of major changes, but we're not obligated to.
Termination
You can stop using the app anytime:
- Just uninstall it
- Cancel your subscription
- Delete your data
We may terminate access if:
- You violate these terms
- You abuse the app
- Required by law
Your data stays with you even if we part ways (it's on your device!).
Changes to These Terms
We may update these terms occasionally. When we do:
- We'll update the "Last Updated" date
- Major changes will be announced in the app
- Continued use means you accept the new terms
Check back periodically to stay informed.
Governing Law
These terms are governed by the laws of India. Any disputes will be resolved in Indian courts.
Contact Us
Questions about these terms? Email: daivik@neocognizantlabs.com
TL;DR (Too Long; Didn't Read)
• Use the app to study and track mistakes
• Don't abuse the app
• Your content is yours, your data stays with you
• Free tier = 5 mistakes per subject
• Premium = unlimited mistakes and add new subject
• We're not responsible for your exam results
• You can cancel/delete anytime
• Be nice, study hard! 📚
By using Mastery Book, you agree to these terms. We're here to support your learning journey! ❤️