Pricing

Start free. Upgrade when you need more.

No fixed syllabus, no quiz grind. Connect GitHub, open a PR, get feedback in hours. The free tier is real, not a demo.

Monthly Annual Save 28%
Starter
Learn the ropes
$0 forever
$0 forever
Get started free
  • 3 PR reviews per month
  • 1 active tech stack
  • Concept gap annotations inline on diff
  • Adaptive lesson queue (capped at 5)
  • Standard grading queue (no SLA)
  • No team dashboard
Most popular
Pro
Serious stack switching
$29 / month
$249 / year
Start 7-day free trial
  • Unlimited PR reviews
  • All 15 supported stacks
  • Feedback within 2 hours
  • Full concept map access
  • Lesson queue: unlimited depth
  • Dispute and review feedback
Team
Whole engineering org
$19 / seat / month
$19 / seat / month

5-seat minimum

Contact us
  • Everything in Pro, per seat
  • Team progress dashboard
  • Engineering manager view
  • Slack notifications on PR grade
  • Centralized billing and seat management
  • Priority support
Full comparison

Everything side by side

Feature Starter Pro Team
PR reviews per month 3 Unlimited Unlimited
Tech stacks 1 All 15 All 15
Grading turnaround Standard queue Within 2 hours Within 2 hours
Concept map Partial Full Full
Adaptive lesson queue depth 5 lessons Unlimited Unlimited
Dispute feedback
Team dashboard
Slack notifications
Priority support
FAQ

Billing and plan questions

No. The Starter plan is completely free with no card required. The Pro 7-day trial also does not require a card upfront. You are only asked for payment information when you decide to continue past the trial.
New PRs submitted past the monthly limit are received but not graded until the next billing cycle, or until you upgrade to Pro. You are notified in the dashboard and by email before the limit is reached.
Yes. Pro is billed monthly or annually. Monthly plans cancel at the end of the current period. Annual plans do not carry a cancellation fee. When you cancel, you revert to the Starter plan and keep access to your concept map history.
Annual billing is charged as a single payment of $249 at the start of your billing year. That is equivalent to $20.75 per month, saving you 28% compared to monthly billing at $29. Renewal is automatic unless you cancel before the renewal date.
Team is billed per active seat at $19 per seat per month, with a 5-seat minimum. Seats can be added or removed at any time. Billing adjusts pro-rata at the next monthly cycle. Annual Team billing is available on request.
Yes. Your concept map, PR history, and lesson progress are retained indefinitely regardless of plan. If you downgrade to Starter, your map is read-only until the monthly PR count allows new grading. Nothing is deleted.

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