Quick sum vs Stonica

The App is suitable for you if you like brain training, math game or puzzle game.If you want to improve you math skills, especially the addition skills. HOW TO PLAY : - Connect the numbers to achieve your targets. - Notice the timer that runs out for each of them. - You have to complete the number before time runs out!. - As your score increases the difficult increases. Your Suggestions are considered as part of our regular development process. You can send us your compliments/feedback on zero.gravity.7255@gmail.com

Stack it, slot it, clear it. Stonica is a calming block puzzle where the challenge is stacking the right tiles together and slotting them onto their matching pins to clear the board. Sort and stack tiles by shape and color. Slot each stack onto its matching pin. There's more than one way to clear the board — the fun is in finding a path that works. No ads, no timers, no pressure. Just a calm, focused and magical atmosphere built for thinking clearly. Simple enough to pick up in seconds. Deep enough to keep you thinking for hours. What makes Stonica different: - Stack & slot mechanic — match shape and color, then place tiles onto the right pins - No ads, ever — pure, uninterrupted play - No timers, no pressure — solve at your own pace - Optional in-app purchases — never required to play or progress - Multiple paths to clear each board — play your way - Levels that start calm and grow genuinely challenging - Clean, focused design that gets out of your way Whether you solve in silence or lose track of time entirely, Stonica rewards sharp thinking. Take your time, find your path, and enjoy a calm puzzle journey. Enjoying the game? A quick review helps us keep improving it for you.