Learning a language is about four skills. Reading, Writing, Speaking, Listening.
To become fluent you need to balance all four. And while they do reinforce each other, you need to study all four.

Kanji Writer helps beginner and intermediate students practice the WRITING of the first 440 Japanese kanji.
Kanji Writer usually only requires you to get the kanji "pretty much right". Its about learning which kanji is which.
It's for quick revision of many kanji, and this allows you to move through the practise session quickly and fluently.

You will practice writing the first 440 kanji having been given the onyomi and kunyomi readings.
And you will practice writing over 1500 keywords which use combinations of these kanji.

Kanji Writer drills use a unique system which helps you learn cards 10 at a time as you work your way through the whole deck and complete mastery.

Regular practise and review is the only way to build your kanji knowledge. Now you can practice writing them.