DrMemory:HiraganaEasyJapanese app for iPhone and iPad
Memorizing app here! (with speed-competing test.)
Animations and handwritings by a doctor. It is easier for you to memorize because the animation pictures and cartography are invented after long experiments as a medical and psychological professional.
Update is available sooner or later every month or year.
iPhone 8 or greater recommended.
iPhoneX ok
iPad 2nd generation is ok.