Troubleshooting & FAQ

Possible causes and solutions:

• Browser tab inactive: Some browsers pause JavaScript when tabs are inactive. Keep the tab active or use a different browser.
• Browser permissions: Ensure your browser allows JavaScript and local storage.
• Cache issues: Clear your browser cache and reload the page.
• Multiple tabs: Avoid running multiple timer instances in different tabs.

Solutions:

• Check your device's time and date settings
• Clear browser cache and reload the page
• Ensure you're not running multiple instances
• Try using a different browser

Troubleshooting steps:

• Verify you're logged into your Pro account
• Check your internet connection for cloud sync
• Clear browser cache and reload
• Ensure browser notifications are enabled

For Free Version:

• Check if you cleared browser data recently
• Verify you're using the same browser and device
• Check if you're in incognito/private mode
• Look for data in browser's local storage settings

For Pro Version:

• Ensure you're logged into the correct account
• Check your internet connection
• Try logging out and back in
• Contact support for data recovery assistance

Solutions:

• Refresh the page to reload the heatmap
• Check if you have any logged study sessions
• Clear browser cache and reload
• Ensure JavaScript is enabled
• Try a different browser

Troubleshooting:

• Ensure you've completed a study session first
• Check if you're in the session logging interface
• Verify browser permissions for file uploads
• Try refreshing the page
• Check available storage space (Pro version)

Solutions:

• Verify your email and password
• Check your internet connection
• Try resetting your password
• Clear browser cache and cookies
• Disable browser extensions temporarily
• Try a different browser or device

Steps to resolve:

• Wait 5-10 minutes for payment processing
• Log out and log back into your account
• Check your email for payment confirmation
• Verify your subscription status in account settings
• Contact support with your payment receipt

Troubleshooting:

• Ensure you're logged into the same account on all devices
• Check internet connection on all devices
• Force refresh the app on each device
• Check if sync is enabled in settings
• Try logging out and back in on all devices

Performance optimization:

• Close unnecessary browser tabs
• Clear browser cache and cookies
• Disable browser extensions temporarily
• Restart your browser
• Check available RAM and CPU usage
• Try using a different browser

Mobile compatibility:

• Use a modern mobile browser (Chrome, Safari, Firefox)
• Ensure JavaScript is enabled
• Check if you're in private/incognito mode
• Clear browser cache and data
• Update your mobile browser to the latest version
• Try adding the app to your home screen

Solutions:

• Ensure you're logged into your Pro account
• Check your internet connection
• Verify you have sufficient storage space
• Try creating a new flashcard set
• Clear browser cache and reload

Troubleshooting:

• Ensure you're rating cards consistently
• Check if you have enough cards in your deck
• Verify your review settings
• Try resetting the spaced repetition algorithm
• Contact support for algorithm-specific issues

Yes, your data is completely private:

• Free version: All data stays on your device
• Pro version: Data is encrypted and stored securely
• We never share or sell your data
• You can export or delete your data anytime

Offline functionality:

• Free version: Works completely offline
• Pro version: Basic features work offline, sync when online
• Timer and session logging work without internet
• Cloud features require internet connection

Export options:

• Free version: Use browser's export local storage feature
• Pro version: Export from account settings in CSV/PDF format
• All session data, notes, and analytics can be exported
• Contact support for bulk export assistance

Supported browsers:

• Chrome (recommended)
• Firefox
• Safari
• Edge
• Opera

Use the latest version for best performance.