Help centre
Short answers to the questions we get most.
Account
- Signing in and keeping progress
You can learn without an account. Sign in to keep your progress on every device.
- Two-factor sign-in and a lost phone
Turn it on in Profile, Settings. If you lose the phone, write to support from your account email.
- Changing your name and daily goal
Both live on your Profile page.
- Deleting your account
Profile, then Settings, then Your data. This cannot be undone.
Payments and refunds
- Getting a refund
Your first paid plan can be refunded in full within 7 days.
- My payment failed or money was taken
What to check, and what to send us if the plan did not turn on.
- Finding your invoice or receipt
Each paid payment has a page you can print.
Plans
- Which plan do I need
Starter is free. The paid plans add more courses, cloud runs and reviews.
- What happens when my plan ends
Plans do not renew by themselves, so nothing is charged again.
Running code
- Running code in a lesson
JavaScript and Python run in your browser. Judged problems run in the cloud on paid plans.
- I hit a run limit
Limits are per day and reset at midnight India time.
Certificates
- Earning and sharing a certificate
Interview-ready plans get verified certificates with a public link.
- My certificate shows Revoked
A certificate can be revoked if it was issued by mistake or broke the rules.
Privacy
- What we store about you
Your email, progress and payments, stored in Mumbai.
- Stopping emails
Streak emails are opt-in and every one has an unsubscribe link.
Troubleshooting
- A page or lesson will not load
Reload, check the status page, then tell us.
- My progress is missing
Usually you are signed out or on another browser.