AI writes your code.
But who answers in the interview?

Learn your stack in depth with flashcards, technical tests and interview simulators, based on real interviews.


Not Claude Code copy-paste.

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The problem with AI

"I code with AI but I can't explain my code"

You use Copilot or Claude Code daily. But when someone asks why you made that technical choice, you go blank. Recruiters see it. They're testing fundamentals more than ever.

How we help:

Flashcards to anchor concepts

"I know the syntax but not the principles"

You can write React or Spring Boot code. But the virtual DOM, lifecycle, dependency injection? If you need to explain it to a tech lead, it gets fuzzy.

How we help:

Interview questions with detailed answers

"I'm scared of the day I actually get tested"

You keep postponing preparation because it's stressful. But every week without practice is a missed opportunity. Devs who train get the jobs.

How we help:

Simulators under real conditions

Train on your technology

Every stack has its key concepts and tricky questions. We cover them all.

iOS

iOS / Mobile

Native Apple development

"Struct or class in Swift?"

Swift, SwiftUI, UIKit, Core Data, concurrency
Angular

Angular / Frontend

Enterprise frontend framework

"How does change detection work?"

Components, RxJS, services, routing, testing
Spring Boot

Spring Boot / Backend

Modern Java backend

"What is dependency injection?"

Spring IoC, JPA, Security, REST, microservices
View all technologies

Everything to level up

Real interview questions

The actual questions asked in technical interviews. You know exactly what to expect.

Flashcards by tech

Key concepts of your stack, explained simply. Review and anchor your knowledge.

Progress tracking

See what you've mastered and what needs work. Your gaps become visible.

Technical tests

Validate your knowledge on each technology. Know where you stand before the interview.

10+ technologies

React, Node.js, Spring Boot, Angular, iOS, Android, DevOps. Pick your stack and train.

Interview simulators

Practice with a timer and conditions identical to a real technical interview.

The platform in numbers

20
Technologies

React, Node.js, Spring Boot, Angular, DevOps, iOS, Android and more.

12 800+
Interview questions

Real content from actual technical interviews.

5 900+
Flashcards

Key concepts to master for each technology.

Simple pricing. Everything included.

Full access to all technologies, all tools, no limits.

Discovery

Discover the platform

Free
Preview of each technology
Flashcard samples
Technical test samples
Simulator samples
Full content
All technologies
Progress tracking
Most popular

Annual

Same content, 36% cheaper

$6/month

Save $39 per year vs monthly

Billed $69/year

Everything in Monthly, plus:
36% off the monthly price
12 months of guaranteed access
Technical tests with instant feedback
Realistic interview simulations
Track your progress and earn medals

Monthly

No commitment, cancel anytime

$9/month
Unlimited access to all technologies
12,800+ questions from real interviews
5,900+ flashcards for effective revision
Technical tests with instant feedback
Realistic interview simulations
Track your progress and earn medals

Frequently asked questions