Have you checked out Nihongo?[0] I'm not a Japanese learner, but my friend Chris Vaselli built that app, and he recently added a feature that sounds like what

Have you checked out Nihongo?[0] I'm not a Japanese learner, but my friend Chris Vaselli built that app, and he recently added a feature that sounds like what you're describing.[1] [0] https://nihongo-app.com/ https://nihongo-app.com/ [1] https://twitter.com/Nihongo_App/status/1274760586115657728 https://twitter.com/Nihongo_App/status/1274760586115657728