Master System Design With Unlimited Practice

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

Pricing Plans

6 Months Pro

• Regular Price: $89
• Sale Price: $59 (6 months)
• Savings: $30
• Description: Perfect for interview prep. Full access to all features.

1 Year Pro

• Regular Price: $149
• Sale Price: $99 (1 year)
• Savings: $50
• Description: Continuous learning and retention. Full access to all features.

Lifetime Pro

• Regular Price: $259
• Sale Price: $199 (one-time payment)
• Savings: $60
• Description: Pay once, access forever. All future updates included.

Free vs Pro

Free

• Limitations:
  • Price: $0 (Forever free)
  • Daily Limit: 6 cards per day
  • Design Problems: Easy category solutions only
  • Evaluations: 1 evaluation per problem

Pro

• Benefits:
  • Price: $89 (limited time offer, $59 for 6 months)
  • Unlimited learning cards
  • Unlimited design practice problems
  • Unlimited evaluation of solutions
  • 3000+ expert-curated cards
  • Company-specific tagging (FAANG+)
  • Real-time feedback on designs

Learning Approach

📚 Depth Over Breadth

Master core concepts thoroughly, not surface-level overviews.

⚖️ Trade-offs Over Templates

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

🧠 Deep Learning

Master concepts through detailed cards and practice.

Why Engineers Choose System Overflow

• Complete System Design: 200+ Concepts
• Time Commitment: Just 30 minutes daily. From fundamentals to advanced systems.
• Cost Efficiency: $99/year vs competitors' $170-950/year. Better retention, lower cost.
• Career Impact: Achieve a total compensation bump of $80K-150K from Senior to Staff level. One promotion pays 1000x over.

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