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Apps

They are all free and run in the browser, with no sign-up. Progress is saved only on your own device.

For children and adults

Puzzles with the Cat A logical thinking test · from age 7 to adults20 puzzles in 20 minutes: 3 × 3 matrices, number and shape sequences, words and spatial thinking. The difficulty depends on age. At the end you get a score, a profile of your strengths and the solutions to every puzzle, and each kind of puzzle has a practice mode with hints. Start the test

Primary school

Times Tables with Panda Times tables and written methods · grades 1–5100 levels, 20 for each grade: from adding within 20, through all the times tables, to column division and decimals. Written calculations are done in squares like an exercise book, Mila the panda comments on every answer and cheers for three right in a row. Play

Secondary school

Music school

Solfege Kid Ear training · music school, two levelsIntervals, chords, harmonic functions, scales and rhythmic and melodic dictation with the sound of a real grand piano. Turn the sound on; headphones work best. Play