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Start free, upgrade when you're serious. The average data science salary is $150k+ — this pays for itself on day one.
Free
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$0
/forever
- 40 free problems
- In-browser code execution
- Basic progress tracking
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Pro
Full access to everything
$20
/month
- All problems (growing weekly)
- Full progress dashboard
- Company-specific sets
- New problems every week
- 10 AI mock interviews / month New
30 days of Pro free — no card required. 7-day money-back guarantee.
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Lifetime
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$99
$199
one-time
- Everything in Pro
- 10 AI mock interviews / month
- Every future problem & feature
- No renewals, no subscription
- 7-day money-back guarantee
Early-adopter launch price.
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$2,500
one-time
- Everything in Pro
- 8 private sessions
- Mock interviews
- Direct Slack access