AP Notes is a Sri Lankan student-built learning platform for Advanced Level students, centered on sharing and discovering study resources created by the student community. It covers Physics, Chemistry, Biology and Combined Mathematics, with materials available in English, Sinhala and Tamil. Students can browse full notes as PDFs, written posts and image sets, organized by subject, lesson and unit, or contribute notes of their own.

The platform also offers past papers with marking schemes that can be explored by year, subject and medium, alongside quick notes featuring short, story-style study tips. LearniX AI provides search and concise overviews of individual notes, helping students find relevant content and review key ideas. Community features let users follow classmates, react to notes, save resources to a personal library and build a profile.

AP Notes presents its resources as a way for students to learn from one another and study together. The site also provides access to community Telegram channels and groups, a support bot, and information about its terms and privacy policy