01 - pricing

Practice more. Pay for what you use.

Start free, forever - upgrade only when the editor, the problems, or the practice history genuinely aren't enough. Cancel anytime.

Free

Perfect for exploring LLD concepts

Freeforever
  • Unlimited UML canvas & playground
  • 16 of 23 design pattern templates
  • 10 curated Easy problems
  • 15 code executions / day
  • Revision notes
Downgrade via cancel

Pro

For serious engineers leveling up

Popular
₹199/ month
  • Everything in Free
  • All Easy + 10 curated Medium problems
  • Full templates, hints & community
  • 25 code executions / day
  • 10 interview mode sessions / mo
  • Collaboration - up to 3 people

Ultimate

For teams and power users

₹399/ month
  • Everything in Pro
  • Full problem library - Easy, Medium & Hard
  • Unlimited interview sessions & collaboration
  • Version history + activity timeline
  • Full analytics & priority support
  • 50 code executions / day

02 - compare in detail

Every feature, side by side.

Feature
Free
Pro
Ultimate
UML Canvas
Unlimited
Unlimited
Unlimited
Playground
Unlimited
Unlimited
Unlimited
Draft Notation
Design Pattern Templates
16 templates
All 23
All 23
Export
PlantUML, Mermaid, Draft
Full access
Import
Practice Problems
10 Easy only
All Easy + 10 Medium
Easy + Medium + Hard
Hints
Community Discussion
Code Executions / day
15
25
50
Revision Notes
Bookmarks
Interview Mode
10 sessions/mo
Unlimited
Collaboration
Up to 3
Unlimited
Activity Timeline
Version History
Analytics
Basic
Full
Priority Support
Beta Features
Secure payments via Razorpay
Cancel anytime
Free tier stays free forever