Ace your exams with
AI-powered grading
Photograph your past paper answers. Get instant, mark-scheme-accurate feedback from Professor Shelly.
How it works

Step 1
Choose a past paper
Browse our library of GCSE and iGCSE past papers across all major exam boards.

Step 2
Photograph your answers
Snap a photo of your handwritten work — no scanning or typing required.

Step 3
Get AI feedback
Receive detailed marking with personalised tips from Professor Shelly in seconds.
Everything you need to succeed

Mark-scheme accurate
AI grades against official mark schemes and examiner reports.

Instant feedback
Get your results in seconds, not days.

Every subject
Biology, Chemistry, Physics, Maths, English and more.

Track your progress
See how your grades improve over time.
Built for GCSE & iGCSE students
Loved by students, parents & tutors

I went from a 5 to a 7 in Biology in two months. Professor Shelly explains exactly where I dropped marks — better than my teacher.
Arthur Hui
Student · Year 11, GCSE Biology & Chemistry · Hong Kong

I used to dread past papers because I never knew if my answers were right. Now I get feedback in seconds and actually enjoy practising.
Priya Menon
Student · Year 10, iGCSE Sciences · Dubai

My son uses it every evening before mocks. His confidence has completely changed — he actually asks to do past papers now.
Alvin Lim
Parent · Father of Year 11 student · Singapore

I set past papers as homework and my students upload their answers themselves. It saves me hours of marking every week.
Ms. T. Lau
Tutor · Private tutor, GCSE Maths & Sciences · London

The mark-scheme breakdowns are incredibly detailed. It caught mistakes in my exam technique that I didn't even know I was making.
James Whitfield
Student · Year 11, GCSE Triple Science · Manchester

Worth every penny. Both my daughters use it and their predicted grades have gone up. It's like having a tutor on call 24/7.
Amara Sow
Parent · Mother of Year 10 & Year 11 students · Birmingham

