Free
In-App PurchasesWith Ads
Rating summary
About
A map full of possibilities. A clue that changes everything.
In GridCase, you combine clues to work out where every character belongs. Make notes, rule out squares and place characters when you are sure.
168 included cases. Six illustrated worlds.
Explore Mystery Hotel, Murder Logic, Cat Sudoku, Dog Sudoku, Halloween and Murder Logic · Christmas. Filter cases by world, difficulty and your progress.
Your case. Your pace.
• Animated tutorials explain the rules and controls.
• Use notes, crosses and undo as you work through the clues.
• Enlarge bigger maps for a closer look.
• One hint per case is free. Get more by choosing to watch a rewarded ad or by purchasing the one-time Hint Pass.
• Earn badges, build your streak and track personal bests.
• Play on iPhone and iPad, in light or dark mode.
• German, US English and European Portuguese are included.
One-time extras. No subscription.
Ad-Free removes automatic ad breaks between cases. Rewarded hint videos remain optional. The Hint Pass unlocks all available hints in cases you can access. The Club Toolkit combines both extras and includes Gold File, a golden frame and seal for your profile. Additional case packs are not included.
No account is needed for single-player. Cases are included in the app. Your progress stays on your device; export and import a backup in Settings. Restore purchases using the same Apple Account. No book purchase is required to play.
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+1
What's New in GridCase
1.0
October 24, 2026
3
Subscriptions & In-App Purchases
$3.99
Investigate uninterrupted
No ad breaks between cases.








