SQL — free
Free
No card, no trial.
- Full SQL interview problem bank in your browser
- Free SQL course (forty lessons, eight modules)
- Checked answers and concept progress when you create an account
Simple pricing.
SQL is free. Your first interview session is free. After that, $3 a session — or Unlimited at $9/month.
First session
Free
One product-sense mock per new account.
- Spoken or text interview on a real case
- Live interviewer pushback across stages
- Debrief tied to your transcript
Pay per session
$3
After your free session.
- Buy the next case when you want it
- Keep every debrief on your account
- No subscription required
Unlimited
$9/mo
Every case, cancel anytime.
- Unlimited product-sense sessions
- SQL remains free either way
- Cancel from account settings; access lasts through the billing period
Accounts use Google sign-in only — no passwords. Payments go through Stripe. More detail is on the FAQ and in the terms.