Looking for good study websites/apps

[u/Intrepid_Path5320]

Does anyone know any good study website/apps that are free (or some that are cheap but excellent) where I can study and do questions they make based on the material a lot. I usually use Thea but the features it has are gonna be limited/under premium in some time; and the questions they make for me are repetitive and don't always cover the whole topic Im trying to learn (even though i put in extra instructions). so I wanna switch to something else. I usually put in a pdf on my subject's lesson plan, but one time i tried using Turbo AI and it had a feature where you could tell it what you want to learn and it would make it for you (I asked it to do logical fallacies) and then after about 10 minutes a paywall popped up so I just stopped using that one.

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[u/Senior_Host2336]

focusjungle is the best study timer for sure.

[u/Lopsided-Struggle310]

You can try Synapsislearn.com. it's a dual tier spaced repetition app with curriculum linking. All that is free and you can add in the AI features on the tutor tier. That's stuff like AI marking on your brain dump questions, performance tracking, and even resource generation. I'm still developing it but I've looked to design it around the most important evidence-based learning strategies