Question 1

What is Paperstack?

Accepted Answer

Paperstack is a comprehensive study app built specifically for Cambridge (CAIE) students. It provides access to past papers, marking schemes, examiner reports, grade thresholds, and AI-powered study tools — all in one place.

Question 2

Which exam boards and levels are supported?

Accepted Answer

Paperstack supports Cambridge International (CAIE) for IGCSE, O-Level, and A-Level qualifications. We cover 150+ subjects with papers from 2000 onwards.

Question 3

Is Paperstack free to use?

Accepted Answer

Yes! Paperstack is free to download and use. You get full access to past papers, marking schemes, and grade thresholds. Some premium AI features may have usage limits, but the core study experience is completely free.

Question 4

How does AI grading work?

Accepted Answer

Simply take a photo of your written answers, and our AI will compare them against the official mark scheme. You'll receive a detailed breakdown of marks earned, areas of improvement, and examiner-style feedback — all in seconds.