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Tap the + button in the center of the bottom navigation. Enter a title (the concept you want to remember), the content (the explanation or answer), and optionally add notes. Select a domain to organize it, then tap Save.

Domains are categories to organize your knowledge. For example: Flutter, JavaScript, History, Spanish. Free users can create up to 3 domains. Pro users have unlimited domains.

Grasvio schedules reviews right before you're likely to forget. When you review an entry, rate how well you remembered it. Easy answers get scheduled further out, while hard ones come back sooner. Over time, knowledge moves to long-term memory.

Go to the Review tab and tap "Start Review". You'll see entries that are due for review. Swipe or tap to rate each one: Again, Hard, Good, or Easy. The app will automatically schedule the next review based on your response.

Pro gives you unlimited knowledge entries (free is limited to 100), unlimited domains (free is limited to 3), advanced analytics, data export, and priority support. Pro is available monthly ($5.99) or yearly ($39.99 — save 44%).

Subscriptions are managed through the App Store (iOS) or Google Play (Android). Go to your device's Settings → Your Account → Subscriptions → Grasvio → Cancel. Your Pro features remain active until the end of the billing period.

Go to Profile → Subscription → Restore Purchases. Make sure you're signed in with the same Apple ID or Google account you used to purchase. Your Pro status will be restored automatically.

Your data is never deleted. If you have more than 100 entries, you can still review them but won't be able to add new ones until you're under the limit or upgrade again.

Streaks track consecutive days you've completed reviews. XP (experience points) are earned by reviewing entries and completing challenges. Both help keep you motivated and track your progress over time.

Open any knowledge entry and tap the Share button. This generates a link that anyone can view in their browser, even without the app. Great for sharing study notes with friends or colleagues.

Mark entries as "Interview Prep" to create a focused study set for job interviews. You can then review only these entries to prepare for technical interviews.

Pro users can export their data from Profile → Settings → Export Data. Your knowledge entries will be exported in a format you can save or use elsewhere.

Yes! When you're signed in with the same account, your data automatically syncs across all your devices. Start a review on your phone, finish on your tablet.