I recommend good ol’ pen and paper, a stroke order userscript, and just writing the kanji that show up in your reviews here one or two times.
I wrote about the stationary I use in another thread not too long ago:
I recommend good ol’ pen and paper, a stroke order userscript, and just writing the kanji that show up in your reviews here one or two times.
I wrote about the stationary I use in another thread not too long ago: