99cards

99cards offers a flashcard-based interview preparation system designed specifically for web developers. It helps users master web development concepts, ace technical interviews, and secure jobs by using scientifically proven learning methods like spaced repetition and active recall. The system provides targeted, bite-sized quizzes with instant feedback, enabling efficient and effective study tailored to individual knowledge gaps.

Who is it for?

Web developers preparing for technical interviews at entry to senior levels

Problem

Web developers often fail interviews due to ineffective study methods, overwhelming resources, and lack of a structured preparation system, leading to missed job opportunities and frustration.

Solution

99cards uses a flashcard system with spaced repetition and active recall to help users efficiently learn and retain key web development concepts, providing instant feedback and personalized progress tracking to prepare confidently for interviews.

What makes it unique

• Uses scientifically proven spaced repetition and active recall methods
• Targets specific knowledge gaps with granular subtopic selection
• Provides instant, detailed feedback for every quiz answer
• Includes comprehensive bonuses like HR and FAANG interview playbooks

• Flashcard Quizzes

  Interactive quizzes with instant feedback and explanations to reinforce learning.

  01
• Spaced Repetition Algorithm

  Intelligent scheduling of flashcards to optimize memory retention.

  02
• Progress Tracking

  Visual indicators and detailed reports to monitor learning progress.

  03
• Comprehensive Coverage

  Covers 24 web development categories including frontend, backend, databases, and performance optimization.

  04
• Bonus Interview Playbooks

  Includes HR, technical, behavioral, and FAANG interview guides as bonuses.

  05

Business model

SAAS

Audience

B2C

Platforms

web

Pricing model

one-time

Value proposition

A flashcard system that guarantees mastery of web development interview concepts and job success or your money back.

Analytics

DDatafast

JS library

Ccore-js

Metadata

OOpen Graph

Other

VercelPlausibleSentryClerkReact

UI framework

Radix UITailwind CSS4.1.13

UI library

Lucideshadcn/ui

Video player

WWistia

Web framework

Next.js