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Master System Design
With Unlimited Practice

Learn from 3000+ expert-curated cards, practice real design problems, and get instant feedback on your solutions

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6 Months Pro

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1 Year Pro

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Continuous learning and retention. Full access to all features.

Free vs Pro

Free

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$0
Forever free
πŸ“–6 cards per day
🎯All design problems Easy category solutions only
⚑1 evaluation per problem
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Pro

UNLIMITED
$89$59/ 6 months
Early adopter pricing β€’ Limited time
♾️Unlimited learning cards
🎯Unlimited design practice problems
⚑Unlimited evaluation of solutions
πŸ“š3000+ expert-curated cards
🏒Company-specific tagging (FAANG+)
πŸ’¬Real-time feedback on designs
πŸ“šDepth Over Breadth

Master core concepts thoroughly, not surface-level overviews

βš–οΈTrade-offs Over Templates

When to use each pattern. Trade-offs, failure modes, edge cases

🧠Spaced Repetition

Cards return at optimal intervals. Build long-term memory

Why Engineers Choose System Overflow

πŸ“š Complete System Design
200+ Concepts
⏱️ Just 30 minutes daily. Fundamentals to advanced systems.
πŸ’° Best ROI in the Market
$99/year
vs $170-950/year competitors. Better retention, lower cost.
πŸš€ Real Career Impact
$80K-150K
Senior β†’ Staff level TC bump. One promotion pays 1000x over.

Engineers from Google, Meta, Amazon, Netflix, and Uber are already using System Overflow