Pianote

Pianote might be what you're looking for. Check them on youtube for a taste of their approach

If you're not set on the auto-grading apps, but would be interested in a video course, I'd suggest Pianote. They've got a ton of content, including their method that you can follow to learn, but one of the biggest strengths they have is that you can get feedback -- you can email your Musora mentor with questions, and you can submit recordings of yourself playing to get feedback from one of their teachers.

If you want good ACTUAL tutorials (ie, videos that include explanations on how to do things, not just show you notes to press), then in addition to the two channels I mentioned in my last post, I'd suggest Pianote, Jazer Lee, and PianoTV as three good ones.

I personally love Pianote. I have used them for a couple years now.

If I were to ever have a subscription app in think that is probably the one I would go for first.

Pianote gets good grades from me... I think Pianote has excellent teachers, and they are available for questions, although the replies are not immediate, but IMHO, timely.

Or Pianote or other site if $ is an issue.

I've been learning piano for about 8 months now using Pianote, and it's an extremely comprehensive piano course that I highly recommend. They go into theory, they teach you fingering, they teach you common techniques and methods, they walk you up through various stages of piano comprehension.

Parent context: Don't you miss the technique part when you have online lessons? No teacher that can correct your technique physically? Reply: I guess that can be a problem. As a teen I had actual keyboard lessons at a music school so this was addressed. Mind you you can upload a video of your playing in Pianote and ask to be reviewed by a teacher.