A proven approach to master numbers in any language: understand the system, practice actively, then lock it into memory.

Before practicing, understand how the number system works. Our guide tables show you the patterns at a glance—see native script, romanization, and hear pronunciation for each number.
Active recall beats passive reading. Our gamified quizzes test your knowledge with random numbers—see the foreign number, type what it means.


Lock numbers into long-term memory with our spaced repetition system (SRS). Science-backed intervals ensure you review at the perfect moment—just before you'd forget.
Each with native script, romanization, and text-to-speech pronunciation
* Korean includes both Sino-Korean and Native Korean number systems