Test your mental math skills by quickly determining if the result of an on-screen operation is even or odd. Earn more points for faster answers and challenge friends to see who has the quickest mind. The difficulty increases as you progress.






10+ similar games compared and reviewed
Who is it!? is great, but it's not the only option. Explore 10+ similar apps and games for iPhone and iPad, each reviewed and rated by real users. Find free alternatives, premium upgrades, and hidden gems.






Test your mental math skills by quickly determining if the result of an on-screen operation is even or odd. Earn more points for faster answers and challenge friends to see who has the quickest mind. The difficulty increases as you progress.






Engage in a challenging puzzle game where you can create and share your own levels. Master a variety of puzzles, customize your experience, and compete with friends in an ever-expanding world of creative challenges.






A puzzle game where you merge identical dolls by sliding them in four directions. Combine pairs to create larger dolls, continuing the merging process to form the ultimate Matryoshka. It's a simple yet engaging challenge for your mind.