Life & fun · alternatives · 2026

24 alternatives to Kanji Ninja 2.0

Brain Wars for Japanese Characters

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Kanji Ninja 2.0 launched in 2016; newer entries below may have overtaken it.

1. 1
   Kanji Ninja▲140

   Fun game to learn 1000+ Japanese characters

   2016 · its alternatives →

2. 2
   Kano▲238

   The educational computer and coding kit for all ages

   2016 · kano.me · its alternatives →

3. 3IM
   I'm making an open-source platform for learning Japanese▲288

   The idea is actually quite simple. As a Japanese learner and a coder, I've always wanted there to be an open-source, 100% free for learning Japanese, similar to Monkeytype in the typing community. Unfortunately, pretty much all language learning apps are closed-sourced and paid these days, and the ones that are free have unfortunately been abandoned. But of course, just creating yet another language learning app was not enough - there has to be a unique selling point. And then I thought to myself: why not make it crazy and do what no other language learning app ever did by adding a gazillion…

   2025 · kanadojo.com · its alternatives →

4. 4
   Kanaji▲95

   Learn Japanese Kanji

   Nov 2025 · apps.apple.com · its alternatives →

5. 5
   Kano▲159

   A computer and coding kit for all ages

   2014 · kano.me · its alternatives →

6. 6
   Nihongo▲73

   A modern Japanese dictionary and study tool

   2016 · nihongo-app.com · its alternatives →

7. 7NN
   Neural Net Writes Fake Kanji in Your Web Browser, Stroke-By-Stroke▲16

   2016 · otoro.net · its alternatives →

8. 8
   CodeCode Ninja▲114

   Flashcards for programmers

   2015 · its alternatives →

9. 9
   Anime.js▲236

   A flexible yet lightweight Javascript animation library.

   2016 · anime-js.com · its alternatives →

10. 10
    Yomiwa▲11

    Recognize and translate kanjis in realtime

    2016 · yomiwa.net · its alternatives →

11. 11
    LanGo▲140

    Learn Japanese with 1000 phrases and smart flashcards

    2016 · apps.apple.com · its alternatives →

12. 12
    Kann▲173

    Master Japanese vocabulary you care about!

    2024 · kann.app · its alternatives →

13. 13
    Fujiyama▲192

    Practice natural Japanese conversation in real-time with AI

    2024 · apps.apple.com · its alternatives →

14. 14
    StartJapan▲81

    Hacker News for Japan

    2015 · its alternatives →

15. 15
    I trained a neural network to write Kanji▲166

    sketch-rnn model trained to write kanji.

    2018 · otoro.net · its alternatives →

16. 16
    Mainichi▲112

    Learn Japanese each time you open a new tab

    2015 · mainichi.me · its alternatives →

17. 17
    Learning Japanese▲9

    A Japanese guide to learning Japanese grammar

    2015 · apps.apple.com · its alternatives →

18. 18
    ROSA▲74

    Become an anime ninja character with AI

    2023 · rosa.lol · its alternatives →

19. 19
    Simply Learn Japanese▲144

    Learn Japanese with 1000 phrases and intelligent flashcards

    2016 · ling-app.com · its alternatives →

20. 20
    Taptaro▲130

    Tap. Learn. Repeat. 450+ free Japanese words and phrases

    2017 · taptaro.co · its alternatives →

21. 21
    Samira Stalks: Kano – a computer kit teaching kids to code without them knowing it!▲55

    Giving kids superpowers through code!

    2016 · podcasts.apple.com · its alternatives →

22. 22
    Brainyoo▲71

    Easy cross-platform learning with flashcards.

    2016 · brainyoo.de · its alternatives →

23. 23
    Mr. Takahashi: Speak Japanese ▲96

    Practice Japanese through conversations

    2024 · apps.apple.com · its alternatives →

24. 24
    Kung-Fu Master▲22

    Fun way to learn Chinese characters (writing and reading)

    2016 · apps.apple.com · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →