Kakugo is described as 'Features include: • Hiragana, Katakana quizzes • Kanji quizzes by reading and meaning • Kanji test by part composition • Kanji writing test • Vocabulary quizzes by reading and meaning • Unique spaced repetition formula that adapts to your own learning pace • Unlimited'. There are six alternatives to Kakugo for Online / Web-based, Android and iPhone. The best alternative is WaniKani, which is free. Other great apps like Kakugo are Kanji Koohii (Free), Kanshudo (Freemium), Bunpo (Free) and Nimonikku (Paid).
WaniKani is a web application for learning Japanese kanji and vocabulary with the goal of teaching you around 1,700 kanji and 5,000 vocabulary words in about a one to two years. "What? That's impossible!" you scream.
Draw Japanese character dan select a character to show reading, meaning, radical, and the correct stroke order. Kanji writing quiz can be used to test yourself based on school grade or JLPT level. Check your answer against the proper stroke order using animation.