Apps Like Einstein: the Riddle for iPhone and iPad
Solve logic puzzles and track progress
Solve logic grid puzzles by organizing clues and eliminating possibilities. Track progress through increasing difficulty levels. Use deduction to find the unique solution for each puzzle.
by Davide Sardei★ 1.01 ratingsGamesFreeData updated 2026-09-06
Play logic puzzles with evolving patterns and increasing difficulty. Solve levels by adjusting tile positions and clearing sequences. Track progress and unlock new challenges. Share achievements and compete with friends.
Guess the secret code using logic and deduction. Play in 4 modes with 3 difficulty levels. Compete on Game Center leaderboards. Support colorblind and left-handed players. Includes ads; paid version removes them.
Play with challenges like Conlextions, Lexicogs, and Crosswords. Solve puzzles by grouping terms, decoding clues, and assembling answers from cogs. Track progress and compete with others.
Solve logic puzzles by dividing grids into rectangular blocks. Use clues to reveal hidden pixel-art images. Adjust colors to complete each . Track progress and unlock new challenges.
Play Mathdoku+ to solve and puzzles. Choose from 3x3 to 9x9 grids. Use check and hint features for assistance. Track progress through multiple difficulty levels. Develop reasoning, , and skills.
Solve puzzles with a 9x9 grid and 3x3 sub grids. Enter numbers 1 through 9 in each cell. Complete puzzles using logic without guessing. Access unlimited puzzles. Track progress across multiple difficulty levels.