Your entiremock prep.One OS.
From brainstorming project ideas to cracking your Razorpay interview, PrepOS is the guided system that takes you all the way.
No credit card · Works for tier 1, 2 & 3 colleges
Everything you need
Not a note-taking app.
A prep operating system.
Every feature is built around one goal — getting you interview-ready, faster, with less stress.
AI mock interview engine
Full AI-powered interview — role-specific questions, live hints, and a scored performance report. DSA, system design, or HR.
Flagship featureSmart interview tracker
Log every company and date. The AI auto-generates a personalised prep plan 7 days before your interview.
AI-powered remindersBrainstorm board
Dump your raw ideas. The AI expands any idea into a full proposal with tech stack, timeline, and resume impact score.
AI idea expansionPrep roadmap generator
Tell the AI your target role and timeline. Get a week-by-week plan. Track progress, watch your readiness score climb.
Personalised to youBuilt for India
Prep that actually understands your reality.
Not every student is from IIT. PrepOS understands the tier 2/3 college student targeting Razorpay, not Google — and calibrates everything from prep intensity to company patterns accordingly.
Step by step
How PrepOS works
Set your target
Choose your role, tier, and timeline. PrepOS calibrates everything to your goal.
Log your companies
Add every company you're targeting. Reminders, prep plans, status — handled.
Practice daily
Take AI mock interviews. Work through your roadmap. Watch your readiness climb.
Walk in ready
Show up with a prep plan, a score history, and zero surprises.
Stop winging it.
Start PrepOS today.
Free for all college students. No credit card required.