Apps like Kanji Robo

Here are some great alternatives to Kanji Robo by Robotani Technologies :
LearnJapaneseKanji Firstgrade
LearnJapaneseKanji Firstgrade
★4.3
Asahi Kanji (English)
Asahi Kanji (English)
★4.8
Japanese characters (PLUS)
Japanese characters (PLUS)
★4.7
Kanji of the Day
Kanji of the Day
★4.3
JLPT Kanji N5&N4 Play&Learn
JLPT Kanji N5&N4 Play&Learn
★4.5
Kanji Master
Kanji Master
★3.9
JLPT Kanji N3 Play&Learn
JLPT Kanji N3 Play&Learn
★4.4
Japanese characters
Japanese characters
★4.4
Kodansha Kanji Learner's Dict.
Kodansha Kanji Learner's Dict.
★4.6
japanese learning : kanji Dojo
japanese learning : kanji Dojo
★4.7
Kanji Drop
Kanji Drop
★4.2
Japanese Kanji Study
Japanese Kanji Study
★4.6
Kanji GO – Learn Japanese, Hir
Kanji GO – Learn Japanese, Hir
★4.3
Kanji Heroes - Japanese
Kanji Heroes - Japanese
★4.4
Japanese Study Kanji JLPT
Japanese Study Kanji JLPT
★4.2
Learn Japanese! - Kanji Study
Learn Japanese! - Kanji Study
★4.5