Save My Exams is a popular revision platform with past papers, mark schemes, and topic notes for a wide range of GCSE and A-Level qualifications.
Save My Exams is great for UK GCSE/A-Level past papers but its IAL Maths coverage is thin. Mathmap is built exclusively for Edexcel IAL — every module, every chapter, every topic — with a one-time payment that doesn't expire.
The first chapter of every module is completely free — no account, no payment. See for yourself.