I can speak for the experience with A-level Maths and Psychology. The AI marking forces me to perfect my technique, ensuring I get almost full marks in real exams (I have achieved only A*s in psychology since using it). They keep adding new features - new ways to tailor my experience to my strengths and weaknesses (a literal feature), and new ways to match exam difficulty. In maths, I have struggled to find accessible questions that mimic real exam papers. However, I have been freely completing maths "target" papers on SaveMyExams, where I can filter exactly what type of questions I want of exam-like difficulty. Everyone does the standard past papers, but I can get the upper hand with these expert-created questions.
There are the big, expensive sites out there for revision; nothing, in my experience, matches the value for money of SaveMyExams.
To add, I feel like the personalisation in SME to this degree speaks to the advancements of technology in academics.
To all future students, help yourself.
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