If you want to try it out before buying, you can try Kana by Hand. It's a free version that only includes hiragana and katakana, but otherwise works the same way.

Advanced writing tutor

Kanji by Hand is smart and tells you when you make mistakes. When reviewing your results, you can click on the answer to see the stroke order animated. You'll be quizzed on the basic characters and words which illustrate their use.

Full kanji character set

Kanji by Hand will teach you how to all Japanese kanji you'll ever need. More than 2500 characters are included, but don't worry, it starts with the easy ones and let's you progress at your own pace. It also includes more than 10 000 common Japanese words that show how the different characters combine to form words.

Spaced repetition for maximum retention

Kanji by Hand uses spaced repetition to make it easy for you to learn and remember. Easy stuff is repeated more seldom, and the hard things come back more often. For the best effect, try to do your reviews every day.

Sync your devices

If you have both a tablet and a phone, you can set the same account name on them to get your progress data synced automatically. It also works as a backup of your data in case anything happens to your phone. That's why you need to accept some permissions to install it, so it can access the network and sync your device.

On your device, just go to Settings -> Accounts & sync -> Kana by Hand -> Account Settings and change the account name so it's the same on all your devices.

Credits

This package uses data from KanjiVG which is copyright Ulrich Apel and used according to the Creative Commons Attribution-Share Alike 3.0 license.

This package uses data from the EDICT and KANJIDIC dictionary files. These files are the property of the Electronic Dictionary Research and Development Group, and are used in conformance with the Group's licence.