This app was mentioned in 4 comments, with an average of 3.50 upvotes
when I was still a white belt I used Judo Reference
https://play.google.com/store/apps/details?id=net.rdyonline.judo&hl=en_US&gl=US
the ranks that it uses are UK based I think, but I just ignore that part.
I found a free app called judo reference and I've set it up to remind me about techniques to do in randori and their names before training.
There's actually a pretty nice mobile app that I've recommended before: https://play.google.com/store/apps/details?id=net.rdyonline.judo&hl=en
I really like this app: https://play.google.com/store/apps/details?id=net.rdyonline.judo&hl=en_GB