Independence Day offer · 3 months free
Get interview-ready.
Free for 3 months.
This July 4th, start PatternMastery Pro free for 3 months — all 500 must-know problems
mapped to the 50 reusable patterns that actually show up, with a video walkthrough for each,
20 FAANG company paths, and an AI tutor. Add your card today and pay $0 now. After 3 months it
continues at $19.99/year — cancel anytime before then and you're never charged.
$0 today
then $19.99/year after your 3-month free trial
3 months free · cancel anytime
🔒
How billing works: $0 is charged today. We securely save your card with Stripe and only charge
$19.99 on in about 3 months when the free trial ends —
unless you cancel first. Cancel anytime in seconds, no questions asked. Secure Stripe checkout.
How the 3 months free works
No tricks. Full access from day one, and you're always in control.
1
Start today for $0
Add your card through secure Stripe checkout. Nothing is charged now.
2
Full access for 3 months
All 500 problems, videos, company paths, and the AI tutor — completely free.
3
Then $19.99/year
Keep going at $19.99/year, or cancel anytime before the trial ends and pay $0.
See a real walkthrough
The same teaching style as the free channel, now across all 500 problems.
Everything you get, free for 3 months
Built to make patterns stick, not to drown you in problems.
✓500 problems, organized by 50 patterns
No more random lists. Each problem teaches a reusable move you'll see again.
✓A video walkthrough for every problem
Clear, no-fluff explanations, the same energy as the free YouTube channel, at full scale.
✓20 FAANG company paths
Drill the exact problems weighted by what Google, Meta, Amazon, Stripe and more actually ask.
✓In-browser code runner with real grading
Write Python, run the tests, get graded against real cases, right on the page.
✓AI Tutor + Resume Builder
Get unstuck with hints that don't spoil the answer, and tailor your resume to the role.
✓Spaced practice + a pattern game
Daily queue, streaks, and a speed-round that trains you to spot the pattern before you read the prompt.
Why it works: the BASIC framework
Interviews aren't won by solving more, they're won by recognizing faster. We train recognition first.
B Breakdown
A Assess
S Structure
I Implement
C Check
Quick questions
Am I charged today?
No. You pay $0 today. We securely store your card through Stripe and only charge it when the 3-month free trial ends.
What happens after 3 months?
Your subscription continues at $19.99/year and auto-renews yearly. Cancel anytime before the trial ends to pay nothing, or later to stop future renewals.
Can I cancel?
Yes, anytime — from your account (Members → Manage subscription) or by emailing hello@patternmastery.com. Cancel during the trial and you're never charged.
Why do you need my card?
So your access continues seamlessly after the free 3 months, and to keep the trial fair. You're in full control and can cancel in seconds.
Do I get everything during the trial?
Yes — full Pro access: all 500 problems, video walkthroughs, 20 company paths, the AI tutor, and the resume builder.
Is checkout secure?
Yes. Payment is handled by Stripe on its own secure page, we never see your card details.
Start free this July 4th
3 months of PatternMastery Pro on us. $0 today, then $19.99/year. Cancel anytime.
$0 today·cancel anytime·Questions? hello@patternmastery.com