About ConceptOrbit

Last updated 4 October 2026

ConceptOrbit is an online learning platform for Cambridge IGCSE Physics (0625), Mathematics (0580) and Computer Science (0478), with free lessons written to the syllabus, simulations, past papers marked against the mark scheme, and an AI Tutor.

It opens soon. The team is finishing the last lessons and simulations now, and the front page has working pieces of it: three simulations, three tools and an interactive past-paper question for each course.

What’s in it

337 lessons and 149 simulations across three courses, with almost 13,000 practice questions.

• Cambridge IGCSE Physics (0625): 114 lessons and 69 simulations, covering Core and Extended.
• Cambridge IGCSE Mathematics (0580): 110 lessons and 29 simulations, covering Core and Extended.
• Cambridge IGCSE Computer Science (0478): 113 lessons and 51 simulations, for its single-tier syllabus.

More subjects and qualifications will follow after launch: more IGCSE subjects, O Level, AS & A Level, and other exam boards such as Pearson Edexcel.

How a topic goes

1. Learn it. A short lesson in plain English, written to the syllabus. Free for everyone.
2. Experiment. Predict first, then change the variable in a simulation and see if you were right.
3. Practise it. Marked questions, and interactive past papers marked against their mark schemes.
4. Know it’s secure. Your mastery updates from marked work, so your revision goes where it’s needed.

What we promise

• Every lesson stays free to read, with its practice questions.
• Mastery comes from marked work only. Reading a lesson or opening a simulation doesn’t count, and a topic with nothing marked yet says “Not assessed”, never 0%.
• Teachers see their students’ marked work and progress by topic, never their AI Tutor conversations.
• Teachers decide who marks each assessment: themselves, AI with their approval, or AI on its own.
• We don’t sell your information, and we don’t use it for advertising.

Who it’s for

• Students revising for Cambridge IGCSE Physics, Mathematics or Computer Science. O Level students will find most topics overlap.
• Teachers, who can run a class for $30 a month for 20 students: open simulations and past papers topic by topic, set work, and see who needs help. See what a class gets.

Cambridge

Cambridge IGCSE is a trademark of Cambridge University Press & Assessment, and Edexcel is a trademark of Pearson. ConceptOrbit is independent and not affiliated with either. The past-paper questions on this site are original exam-style questions, written in the format of Cambridge IGCSE papers.

Get in touch

Write to contact@conceptorbit.com.

Join the waiting list. The first 50 people to confirm their email get 50% off, and the next 50 get 25% off. Discounts are announced when ConceptOrbit opens.