Worksheet marking doesn't scale. RedMarker fixes that. Point your phone at a pile of maths worksheets to quickly get marked results. Built for ages 4–10, designed for the people doing the actual marking — parents, tutors, and teachers. Smart Scan moves you through multi-page booklets swiftly. Progress views show accuracy over time so you know exactly where to focus next. Less red pen. More teaching. Free tier refreshes monthly. Buy credits if you need more — no subscription.