Memorize digits of mathematical constants.
The app quizzes users on digits of constants like pi and e. Users can enter their own numbers and speak them instead of typing.
Showing 1–20 of 1,000 ranked alternatives.
Staple Games, LLC
Play and solve puzzles
Solve puzzles by filling 9×9 grids with digits 1-9. Choose from four difficulty levels. Store notes for possible numbers. Use hints to fill missing digits. Complete daily challenges. Clear grids when all numbers are placed.
Peter Li
Memorize with color and music
Memorize of pi using color and musical notes for enhanced recall. View numbers in chunks with customizable pages and lines. Compete on leaderboards and earn achievements. Practice daily for improved retention.
SUPERSONIC STUDIOS LTD
Collect digits, build towers, battle cards
Collect digits to form the largest number and earn in-game currency. Use earned money to build tower barracks. Deploy soldiers in a battle card game to fight and progress.
Tim O's Studios, LLC
Play Sudoku and solve puzzles
Play Sudoku to challenge your mind with a 9×9 grid. Fill rows, columns, and 3×3 sub-grids with digits 1–9. Choose from easy, medium, hard, or expert levels. Disable numbers after all instances are entered. Use note-taking and hints when needed.
Rebecca Skinner
Combine numbers to reach the target
Play a numbers by combining 6 given numbers using addition, subtraction, multiplication, and division to reach a target . Join numbers to create new values and solve puzzles.
Applorium Ltd
Memorize digits with stats
Memorize digits with customizable Piems and voice recitation. Track progress with performance stats and sound effects. Reverse digit order for practice. Compete with friends via Center. Set high scores and challenge others.
John Detloff
Play puzzles anytime
Solve puzzles by filling grids with digits. Enter numbers in rows and columns to match clues. Avoid repeating digits in any row or column. Access a large library of free puzzles. Track progress and restart puzzles.
瑞锋 于
Play puzzles online
Play by filling a 9x9 grid with numbers 1-9. Ensure each row, column, and 3x3 section contains unique digits. Choose difficulty levels and track progress across multiple games.
Metajoy Limited
Clear digits by matching pairs of ten
Clear the game board by matching pairs of equal digits or digits that add to ten. Tap ADD to introduce new numbers when no matches remain. Track progress through multiple pages.
Microjoy Games Limited
Play puzzles and ten tiles
Solve -based puzzles by matching and combining digits. Clear grids by creating sequences of ten. Track progress through multiple levels. Adjust difficulty settings. Use hints to solve challenging puzzles. Share achievements with friends.
LIHUHU PTE. LTD.
Play wood blocks and match numbers
Clear the board by removing pairs of equal digits or digits that add up to the same . Tap to match pairs and remove them. Track progress and challenge yourself with increasing difficulty levels.
DigitAlchemy LLC
Calculate fractions, add, subtract, divide, multiply, convert
Calculate fractions with addition, subtraction, multiplication, and division. Convert fractions to decimals. Adjust recipe quantities for different serving sizes. Review math problems and convert measurements between cups and teaspoons.
Greg Deterding
Recite pi, track progress, challenge others
Learn and memorize the digits of pi with interactive training sessions. Practice reciting pi in increments, set personal goals, and track progress over time. Access a vast database of pi digits for unlimited practice.
Yin Kai Leung Joseph
Solve equations with single digits
Solve puzzles by filling in digits to make equations correct vertically or horizontally. Use two squares for two-digit numbers. Requires logical thinking and quick reflexes to complete challenges.
Frank-Peter Poschmann
Calculate combinations for number sums
Calculate possible digit combinations that sum to a target. Specify the number of digits and exclude or require specific numbers. View results and adjust parameters for different scenarios.
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