Activity Calendar
Past 21 weeksHover or focus a square to see the exact day and rating count.
Daily ratings
0
1-2
3-4
5-7
8+
Slovak Spark
Practical Slovak, one card at a time
Study practical phrases, flip cards, speak them out loud, and train the cards you miss more often until they stick.
Progress snapshot
Your streak is warming up
Keep reviewing cards to unlock achievements, build momentum, and turn weak spots into mastered topics.
Steady spark
Next unlock
First milestone
0 / 0
Keep going to unlock your next achievement.
Leaderboard
Signed-in cloud accounts can compete here once enough activity is synced.
Today
This week
All time
Most mastered
Topic completion
Your strongest topics rise to the top so the progress feels tangible.
Achievements
Every unlocked milestone lives here.
Profile
Keep studying on this device or sign in to sync
You're in guest mode. Sign in with Google to sync your progress across devices, or export a backup to keep it safe.
Checking sync status
Looking for the cloud session
This will switch between guest mode and signed-in sync once the Cloudflare backend is available.
Choose your display name
0/24
Your Google account is already verified. Pick the display name that will appear on future leaderboards, then finish sign up. It cannot be changed later.
Guest-only backup
Use these only if you are studying without signing in. Signed-in accounts already sync automatically.
This clears your study progress, streak, and achievements on this device.