Last updated: October 2026
Contact us
We read every message. The fastest way to get help depends on what you need.
🐞 A lab is wrong or broken
Open the lab and press the Report button. It reaches the team with the lab attached, and you get a reply in your notifications.
💳 Payments & plans
Find your payment id on your account page, then write to us. See the refund policy.
🔑 Can't sign in
Use Forgot password. A 6-digit code and a link are e-mailed to you.
Write to us
Signed-in students can reach us through the Report button inside any lab. Business and school enquiries: please contact the team through the channel you signed up with.
We usually reply within 1–2 working days.