Simple, transparent pricing
Start free — no credit card required. Upgrade when you want unlimited access.
Free
$0/month
Get started — no credit card required
- Unlimited SQL & Python practice problems
- Learning paths — read-only
- Quiz flashcards — all topics
- 1 graded quiz per day (10 questions)
- 3 AI mock interviews per month
- Basic progress tracking
Most Popular
Pro
$4.17/month
$49.99 billed annually — save 40%
- Unlimited SQL & Python practice
- Full learning paths with AI-graded quizzes
- Quiz flashcards — all topics + spaced review
- Unlimited graded quizzes across all topics
- Unlimited AI mock interviews with detailed feedback
- Full progress analytics
7-day free trial for new customers. Cancel anytime from your account settings.
Common questions
Can I cancel anytime?+
Yes — cancel with one click from your account settings. You keep Pro access until the end of the billing period. No cancellation fees, no awkward retention flows.
What payment methods do you accept?+
We accept all major credit and debit cards (Visa, Mastercard, Amex, Discover) via Stripe. Apple Pay and Google Pay are supported on compatible browsers.
Is there a refund policy?+
If you're not satisfied within the first 7 days of a paid subscription, email us and we'll issue a full refund — no questions asked.
What's included in the free plan?+
The free plan includes unlimited practice problems, learning articles, and 3 AI mock interviews per month. Paid plan unlocks unlimited mock interviews, AI hints, detailed analytics, and the full progress dashboard.
Can I switch between monthly and annual?+
Yes. You can upgrade from monthly to annual at any time from your settings — the unused portion of your current period is prorated. Downgrading takes effect at your next renewal date.
Do you offer student or team discounts?+
Reach out to us at support@datainterviewcoach.com. We're happy to work with students, bootcamps, and teams.