[thepete2]

It doesn't have an app as far as I know. It's a Python/Qt project as well and at a glance the code looks better, but in terms of features I think it just doesn't compare to Anki.

[matt-snider]

It does have an app:

https://play.google.com/store/apps/details?id=org.mnemosyne

I can't comment on the feature differences but the community is much much smaller so I wouldn't be surprised.