✓ Free — 5 checks per day
Write your maths.
Take a picture.
Check if it's right.
Take a photo of your hand-written working. Check reads it, verifies every step, and tells you if it's right. If it's not Check helps you get it right.
📸
Snap
Take a photo of your hand-written maths with your phone camera.
🔍
Read
Claude Vision reads your working — every step — and converts it to maths notation.
✓
Check
AI verifies your logic step-by-step and pinpoints any errors with a helpful hint.
Free tier: 5 checks/day. Need more? Buy credit packs. Universities can contact us for institutional access.