Best Number Tango alternatives: apps like Number Tango

Katsuyokei: Conjugation

Verbs, adjectives and drills

Free

Master Japanese verb conjugations through repetitive drills and targeted feedback. Practice all essential forms and verb classes with varied question types. Progress is tracked individually for each form and verb class, ensuring true mastery.

Joshi: Japanese Particles

Grammar drills for the JLPT

Free

Master Japanese particles through interactive drills. This app helps you internalize particle usage by presenting natural sentences with missing particles and providing immediate feedback on your choices. It focuses on building intuitive recognition rather than just memorizing rules.