# What's on the Test > Study app that reads a student's syllabus, calendar, and coursework, predicts the topics most likely on their next quiz or exam (ranked Very likely / Likely / Possible, with reasoning), then drills them with spaced-repetition flashcards, practice exams modeled on the class's real format, and a Socratic AI tutor that teaches rather than hands over answers. Key facts: product of XAVIOR Inc.; web app at https://app.whatsonthetest.com/ plus macOS and Windows desktop apps; open access — create an account or log in at https://app.whatsonthetest.com/ (an email newsletter for product updates is on the homepage); free to start; predictions come from the student's own real coursework, not generic question banks; the tutor never does graded work for the student. ## Docs - [Knowledge base](https://whatsonthetest.com/knowledge-base.md): Authoritative product reference — what it is, how prediction and practice work, platforms, access, academic-integrity stance, and FAQ. ## Optional - [Privacy policy](https://study.xavior.ai/privacy.html): How student data is handled. - [Terms of service](https://study.xavior.ai/terms.html): Terms, including academic-integrity commitments.