Best 4 JavaScript Interview Preparation Tools Tools in 2026

First 10 uses are on us — no card required.

Basic plan for individual users.

Advanced plan with more features.

Pro plan billed quarterly.

Get started with basic interview assistance. No credit card required. Includes 3 test tokens, 60 seconds of audio mode, and basic email support.

Designed for occasional interview preparation. Ideal if you have 1-2 interviews / month. Includes 600 tokens / year, 1.3 hours of conversation / year, setup assistance, email support, annual tokens refill, and annual audio seconds refill.

For active job seekers who need a higher number of solved questions per month. Ideal if you have 3-10 interviews / month. Includes 1.9K tokens / year, 8 hours of conversation / year, setup assistance, priority support, annual tokens refill, annual audio seconds refill, and higher limits.

Tailored for serious candidates with frequent interviews, offering the maximum number of solved questions. Ideal if you have 11-20 interviews / month. Includes 6K tokens / year, 24 hours of conversation / year, setup assistance, priority support, annual tokens refill, annual audio seconds refill, highest limits, and fastest AI responses.

Access to all course tracks and educational content. Complete coverage from fundamentals to advanced topics. Tailored specifically for JS/TS engineers. Detailed explanations with practical tips and 'gotchas'.

Everything monthly subscription contains. Save 20% compared to the monthly subscription. Faster response times for support queries. Access to a private Discord server to interact with peers and get support.

Everything yearly subscription contains. Lifetime access to the entire curriculum with a single payment. Free access to all future updates and new content. Opportunity to contribute to course content and direction.