We're here to help you succeed on your certification journey. Our educational apps include CISSP Flash Cards, Security+ Flashcards, CEH Flash Cards, CISA Flash Cards, CISM Flash Cards, SSCP Flash Cards, Google Cybersecurity Flashcards, and more. Find answers to common questions below or contact us directly.
How do I restore my subscription on a new device?
Open the app, go to Settings, and tap "Restore Purchases." Make sure you're signed in with the same Apple ID used for the original purchase.
How do I cancel my subscription?
Subscriptions are managed through Apple. To cancel:
How do I request a refund?
Refunds are handled by Apple. Visit reportaproblem.apple.com, sign in with your Apple ID, and select the purchase you'd like refunded.
What's included in the free version?
Each app offers free access to select content areas so you can try before you buy. The specific free content varies by app but typically includes the first one or two study domains with flashcards, quizzes, and progress tracking.
What do I get with Premium?
Premium unlocks the full flashcard library for that app, including all study domains, unlimited quizzes, complete progress tracking, and study reminders.
Is my study progress saved?
Yes! All your progress, including cards studied, mastery levels, quiz scores, and study streaks are saved locally on your device. We recommend regular device backups via iCloud to preserve your data.
The app isn't working correctly. What should I do?
Try these troubleshooting steps:
TierOne Defense apps are independent study tools and are not affiliated with, endorsed by, or sponsored by any certification body.