Study
System Design
How real systems are built: the primitives first, then the prompts that come up most, plus the AI and ML stack.
Practice, prepare, get hired.
All in one app.
System design, 352 coding problems, AI coding and theory interviews and a resume builder, with a streak that brings you back tomorrow.
352 problemsby pattern, by company
AI interviewscoding and theory
Free to startno card
Plans from ₹499 a month or ₹1,799 a year. See the plans.
Study what the rounds actually test.
Two libraries, one login: system design for the senior rounds, and coding practice for every round.
Practice
Coding Practice
Problems grouped by pattern and company. AI hints, and instant runtime feedback when you run your code.
Study
Visualiser
Watch an algorithm run on your own input, one step at a time, with the code line in step.
Rehearse the interview, not just the answer.
Three ways to sit the round before it counts.
Interview prep
Interview Prep
Company-tagged questions from Google, Microsoft, Amazon, Meta and more.
Interview · coding
Coding Interview
A real IDE, a role-based problem, and an interviewer watching you work.
Interview · theory
Theory Interview
A spoken interview on CS fundamentals. Answer out loud and get follow-up questions.
Five practice tracks. One progress.
DSA, SQL, aptitude, mock tests and OA practice, in one place.
DSA352 problems
SQL39 questions
Aptitude280 questions
Mock Testfull mock tests
OA37 timed papers
See the progress. Keep the habit.
Your record, your resume, and a streak to come back to every day.
Career
Progress
Your practice, study and interviews, tracked in one place.
Career
Resume Builder
Build your resume inside the app, next to the work you practised.
Daily streakwith a streak freeze
Starson your dashboard
Coinson your dashboard
Start free. Upgrade when you need more.
Free needs no card. Plans unlock more subjects and include AI credits for interviews, each with one fixed price.
Free
₹0available now, no card
- 206 problems, 5 a day
- Every visualizer
- Lesson 1 and the 7-day path
- The browser IDE
- 100 AI credits at signup, 100 more every month
- Your readiness score
Starter, Pro, Max
₹1,799a year and up, or from ₹499 a month, prepaid
- DSA, Aptitude & OA and SQL on Starter
- Company questions and system design on Pro
- Every new pass while your plan is active, on Max
- 600 to 3,000 AI credits a year
Want live classes and a mentor too? The online batch starts at ₹6,999, paid once. See the online batch
Questions about the app.
Still not sure? Start free, or a mentor answers on a free call.
Start freeIs the CodeStory app free?
Yes, to start. The free plan has 206 problems (5 a day), every visualizer, Lesson 1 and the 7-day path, and 100 AI credits at signup plus 100 every month, about 2 voice interviews. No card.
What do the paid plans add?
Starter (₹1,799 a year) adds DSA, Aptitude & OA and SQL. Pro (₹3,499 a year) adds company questions and system design. Max (₹5,999 a year) adds every new pass launched while your plan is active. Each includes AI credits, and each can be paid monthly, prepaid, from ₹499.
Are AI interviews unlimited?
No plan has unlimited AI. Each plan includes credits, and each interview has one fixed price: 49 credits for a voice interview, 29 for a coding round. Top-ups start at ₹99, and credits you buy never expire.
Do I need a card to start?
No. Sign up and start free.
Which companies are in Interview Prep?
Company-tagged questions from Google, Microsoft, Amazon, Meta and more.
Is the app the same as the batch?
No. The app is practice you run on your own. The online batch adds live classes, a 1:1 mentor and scored mock rounds, from ₹6,999.
Not sure where to start? A mentor calls you, free.
Tell us who you are. On the call we help you pick the right batch.
- 1We check your level, from never coded to ready for interviews.
- 2We suggest online or campus, and a batch timing that fits your day.
- 3You decide. No pressure, no payment on the call.