Ace Your System Design Interview
Practice with real-time AI feedback, interactive whiteboard, and Big Tech interview standards
Everything You Need to Succeed
Practice like you're in a real interview with AI-powered feedback and interactive tools
Real-time Voice Interaction
Talk naturally with AI interviewer just like a real interview. No typing required.
Interactive Whiteboard
Draw architecture diagrams live. Full tldraw integration for professional system design.
Instant Detailed Feedback
Get comprehensive evaluation immediately after interview with actionable insights.
Big Tech Standards
Evaluated using FAANG interview criteria across 4 key dimensions.
Progress Tracking
Track your improvement over time with detailed analytics and score trends.
20+ Real Scenarios
Practice actual interview questions from top tech companies.
Timeline Playback
Review your interview with clickable timestamps to see exactly where you can improve.
Structured Evaluation
Follow the 6-step system design framework used by top companies.
How It Works
Get interview-ready in 4 simple steps
Choose Your Scenario
Select from 20+ real system design questions from top tech companies
Discuss with AI
Talk through requirements and constraints with our AI interviewer
Design on Whiteboard
Draw your architecture diagram with our interactive whiteboard
Get Instant Feedback
Receive detailed evaluation across 4 dimensions with actionable advice
Simple, Transparent Pricing
Start free, upgrade when you're ready
Free
Perfect for getting started
- 3 interviews per month
- Basic feedback & scoring
- 30-day session history
- Community support
- All 20+ scenarios
Pro
For serious interview prep
- Unlimited interviews
- Advanced analytics & insights
- Unlimited session history
- Priority support
- Export detailed reports
- Progress tracking dashboard
Enterprise
For teams and organizations
- Everything in Pro
- Team accounts & management
- Custom scenarios
- API access
- Dedicated support
- SSO integration
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