Loading RulCode...
Career Investment
The Best Investment You'll Make for Your Next Interview.
Master DSA with interactive visualizations, AI guidance, and structured practice, all designed to help you succeed in coding interviews.
Why it's worth it
An investment in your future
There's nothing more valuable than preparing yourself to secure a role at a top tier company.
High quality preparation is the ultimate multiplier for your career, a negligible cost against the return and growth it unlocks.
Join engineers cracking interviews at top tech companies like:
Offers don't lie
14 Days Trial
Cancel anytime
Secure Payment
New Problems added every week
Free Plan
$0
Forever free
Run, Submit, Solution
Includes visualization for free problems.
- Access to Free Problems
- Company Interview Questions
- Interactive DSA Visualizations
- Whiteboard
- Rulo AI Assistant
- Future Feature Updates
6 Month Subscription
$19.99/6 months
Billed every 6 months
Includes 14-day free trial
Cancel anytime before 14 days and you will not be charged.
- All Premium Problems
- Company Interview Questions
- Interactive DSA Visualizations
- Whiteboard
- Rulo AI Assistant
- Future Feature Updates
⭐ Most Popular
★★★★★ Trusted by 500+ Developers
Annual Plan
$29.99/year
Only $2.50/monthSave 25%
Includes 14-day free trial
Cancel anytime before 14 days and you will not be charged.
- All Premium Problems
- Company Interview Questions
- Interactive DSA Visualizations
- Whiteboard
- Rulo AI Assistant
- Future Feature Updates
- Email/Discord Priority Support
- Price Lock Guarantee
Cancel anytime
Secure payments
Instant access after payment
New problems added every week
🔥 Limited Time
10%OFF
Valid till July 31
FLASH10
- *Tip: Many users have reimbursed Premium as part of their company's flexible benefits or learning and training budget.
- *Prices will be increased as more content is being added to the website. Subscribe early to lock in this earlybird price.
- *Lifetime plan is a limited time offering and will be removed in future.
Jam-packed with features
Company related tag option
Filter and practice questions asked by top tech giants like Google, Meta, and Amazon.
Pro problems solutions
Unlock step-by-step multi-approach solutions with clear, detailed, and optimized explanations.
Road Map
Master algorithm patterns systematically with our curated collection of interview questions.
Database questions
Practice SQL and database design problems to ace your backend interviews.
Pattern matching
Learn to identify and apply the right algorithm patterns to solve unseen problems.
Rulo AI
Get personalized hints, edge case analysis, and code reviews from our built-in AI assistant.
Whiteboard
Sketch out your ideas and diagram algorithm approaches using our integrated whiteboard tool.
Visualization access
Don't just read code — watch it run. Get full interactive access to visualize algorithm execution flow.
Large question bank
220+ interview questions covering fundamental patterns and advanced algorithms.
In-browser playground
Integrated code runner with instant feedback — no local setup required.
Multi-language support
Practice in your language of choice: JavaScript, Python, Java, C++, and more.
Continuous updates
We constantly add new patterns and visualization improvements for our premium members.
Notes
Take and save personal notes on any problem to review later during your interview prep.