Numdactle vs Wickgrid

The Numdactle app is designed to challenge your logical and strategic thinking with Numdactle puzzles. We provide a grid with a few numbers, and your task is to find the missing number we ask for. Here are the rules: The sum of the numbers in each row, column, and diagonal must be identical. Each number in the grid can only appear once, and while they may not be in sequential order, they are all part of a sequence. We believe Numdactle is an excellent workout for the brain and that it improves memory and cognitive abilities. Therefore, the Numdactle App not only provides entertainment, but it also contributes to mental fitness. You don't need online access to play the Numdactle app on your device, but you will need Internet access to retrieve your printable Numdactle puzzles that you can give out to friends, students, and so on. Unlike other puzzle or game apps out there, the Numdactle app does not have any advertising, subscription fees, in-app purchases, or tracking. In other words, you can play Numdactle every day with no surprises or extra costs. Are you up for the challenge? Download the Numdactle App today!

One new logic puzzle every day. Five minutes of pure deduction — no guessing, no ads, no account, works fully offline. Light the correct cells using the numeric clues. Keep every lantern connected in a single chain. Never let four lit cells form a square. Three rules you'll learn in a minute — puzzles that will still be testing you months from now. A DAILY RITUAL Every day brings one hand-verified puzzle, and everyone in the world gets the same one. Difficulty climbs through the week — gentle Monday, brutal Sunday "Extreme." Build a streak, protect it, and watch your month fill in on the heatmap. CHALLENGE YOUR FRIENDS Send any puzzle you've solved as a link. Your friend plays the exact same board and sees your time to beat. Same puzzle, head to head, bragging rights included. WHEN YOU WANT MORE Practice mode serves unlimited puzzles at any difficulty, whenever you want. Made a mess of the board? Undo one move at a time or clear it and start fresh. Stuck? Three free hints on every puzzle. Truly stuck? Reveal the solution and see how it comes together. MADE FOR PUZZLE PEOPLE - New to grid deduction? A guided tutorial teaches you the solving method one rule at a time, not just the rules - Veteran? Try Blackout Mode — zero feedback while you solve, pure deduction, verdict at the end - Spoiler-free result cards you can share without ruining the puzzle for anyone - Signed in to iCloud? Your streaks and history follow you across your devices WICKGRID PLUS — $4.99, once, forever - The complete archive: play every past daily, all the way back - Practice History: every practice solve saved — revisit any board, anytime - Unlimited hints - Streak Freeze: never lose a streak to one missed day - Advanced Stats: perfect-solve tracking, per-tier bests, long-term trends No subscriptions. No ads. No tracking. Your progress syncs privately through your own iCloud — no account, no servers, nothing that reaches us. Just a good puzzle, every day.