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Interview prep, one company at a time
Prep for one company's interview loop, not the whole internet.
Coding, SQL, system design, ML system design and object-oriented design questions, organized by company. Save notes and drafts, track progress, and follow a study plan built around the company you're interviewing with.
No credit card. Full access for 14 days, then free questions stay free.
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Companies in the beta
Why Round
Organized by company
Start from the company you're interviewing with. See all of its questions in one place, whether coding, SQL, system design, ML system design or object-oriented design.
A workflow, not just a list
Make a company your target and queue its questions in a study plan. Save notes, drafts and questions as you go, and see your progress on every company page.
Honest numbers
We only show counts we've measured. We don't guess how often a question comes up or claim a company asked it.
Question types
Every company gets its own page: the question types it covers, your progress and the next question to open.
- Coding
- SQL
- System design
- ML design
- Object-oriented design
Companies in the beta
A free account opens 5 questions per company.
Questions
How does the free trial work?
Confirm your email and you get 14 days of full access. No card needed. When the trial ends, your account moves to the free plan automatically, and you won't be charged. Each email address can start one trial.
What's free after the trial?
5 questions per company. Your notes and study plan stay with your account. Notes on questions outside the free plan stay readable, but you can't edit them.
Do I need a credit card?
No. You don't need a card to sign up or to start the trial.
Which companies are covered?
During the beta: Amazon, Anthropic, Google, Meta, Microsoft and OpenAI.
Good to know
Round is a practice space, not a judge. Python and JavaScript run in your browser against the question’s examples, and its extra tests where it has them. Round doesn’t grade your code, and completion is still self-reported. Reference solutions, where available, are provided for study.
See what each plan includesChoose your target company and open its first question.
No credit card. Full access for 14 days, then free questions stay free.