All guides
Written by the Tutix team. Every outside figure names its source.
- How much a private tutor costs What private tutors charge per hour in the US, UK, UAE and Singapore, what changes the price, and what a month costs, with every figure sourced and dated.
- Does AI tutoring work? What randomized studies of AI tutors found, what human tutoring research gives as a benchmark, what the studies could not show, and what to look for in a tutor.
- How to choose an AI tutor Nine questions that separate an AI tutor that teaches from one that only answers: planning, feedback, memory, syllabus, privacy, parent view, cost and mistakes.
- Is AI tutoring safe for teens? A parent's checklist for AI tutoring: age rules, what happens to your teen's data, what you can see, what to ask any provider, and what Tutix does.
- Using AI to study without cheating Eight habits that make AI a study partner, not a shortcut: try first, ask for hints, explain it back, quiz yourself and follow your school's rules.
- AP Calculus AB vs BC AP Calculus AB or BC? Compare the content unit by unit, the exam, the pace and the score data, and see who should take which, with sources.
- AP exam formats and unit weights The 2027 format, date, calculator rules and unit weights for AP Calculus, Precalculus, Statistics, Biology, Chemistry and Human Geography, plus scores.
- AP study plan by hours Hours of teaching for each AP course at five depths, how many weeks that takes at two, three or four classes a week, and how to plan backwards from exam day.
- IGCSE Core vs Extended What Core and Extended mean in Cambridge IGCSE, the grades each can reach in maths and the sciences, who each is for, and how much less Core teaches.
- IGCSE papers explained Paper 1 to Paper 6 in Cambridge IGCSE Mathematics, Additional Mathematics, Physics, Chemistry and Biology: time, marks, weighting, calculators and practicals.
- AP vs IB vs A Level vs IGCSE How AP, the IB Diploma, A Levels, IGCSE and GCSE differ: how you take them, how they are graded, when exams are sat and how colleges treat them.
- SAT vs ACT The digital SAT against the current ACT: questions, minutes, adaptive testing, scoring, calculator rules and optional sections, with the next test dates.
- AP pass rates by exam Share of students scoring 3 or higher, and 5, on every AP exam, 2021 to 2026, from College Board tables, and why a pass rate is not a difficulty ranking.
- How AP exams are scored How an AP score is made: machine-scored multiple choice, free response read by teachers and professors, a composite turned into 1 to 5, and what scores mean.
Questions people ask
Who writes the guides?
The Tutix team. Every figure from outside Tutix names its source and the date it was read, and a page says when it was last updated.
How current are the exam facts?
Each guide is written from the exam board's own published documents, and dates that pass, such as test dates, drop off the pages by themselves.
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