Pick your villains.
Choose which apps need a puzzle gate — TikTok, Instagram, Reddit, X, whatever owns you. Chess Shield uses Apple's Family Controls so the block is real, not a notification you can swipe past.
For iPhone — coming to the App Store soon
Chess Shield blocks Instagram, TikTok, and whatever else you put on the list until you solve a chess puzzle calibrated to your level. Less doom-scrolling. More pattern recognition. Your rating goes up while your screen time goes down.
Choose which apps need a puzzle gate — TikTok, Instagram, Reddit, X, whatever owns you. Chess Shield uses Apple's Family Controls so the block is real, not a notification you can swipe past.
iOS shows the Chess Shield lock screen instead. Tap "Solve a puzzle" and you're inside a puzzle calibrated to your rating — pulled from a curated subset of the Lichess puzzle database.
Quick (1 min), Standard (5 min), or Long (30 min) of unlocked time per solve. When the timer's up, the shield re-engages automatically. Next open, next puzzle.
Real Glicko-2 tracking. 52 tactical themes — fork, pin, smothered mate, zwischenzug, all of them. Insights show which patterns you've mastered and which still leak.
Around 1000 rated, want to actually improve, also tired of opening Instagram fifty times a day for no reason. Chess Shield's free tier gives you one app to block and six core tactical themes (mate-in-1/2, fork, pin, skewer, back-rank). Indefinitely. You'll outgrow neither in a year.
1500+ rated. Your fork accuracy is 90%+. You've plateaued and you know it. Pro opens up mate-in-3+, discovered attacks, zwischenzug, endgames — the patterns that actually take you past 1500. Plus block as many apps as you want and get a weakness heatmap that tells you what to drill next.
$0
$4.99 / mo · $39.99 / year
7-day free trial on yearly.