I’ve been learning Japanese on my own for 6 years, no teachers. In the beginning I used iknow.jp which worked very well for a little more than basic kanji and vocabulary. From there I moved to Japan and messed up my study of kanji. On second year living here I started with RTK and I wish I had done that earlier. Even though I procrastinated a lot, that book has been most successful with my retention.
Now that I’m learning Korean also as a beginner I googled sentence mining and downloaded Korean deck which after 2 months of using seems to work well and now I’m at the point where I will start study of basic grammar once a week to support the anki study
Delete the mobile apps. I scrolled reddit to infinity on my phone going through news that would make me depressed. I deleted the app and have been happy ever since. I come here twice a day for 10 minutes instead and my screen time reduced by 40minutes at least. I don’t feel gloomy all the time because of news too