IN THE FIELD GUIDE

99cards

99cards.dev

Prepare efficiently for web development technical interviews by mastering core concepts and difficult topics. Flashcard quizzes with instant feedback and clear explanations for every answer. Progress tracking across categories with color indicators for quiz results.

THE PRODUCT, BEYOND THE PITCH

Editorially reviewed · Sources checked Sep 30, 2026

Compare

A good fit for

Web developers preparing for technical interviews who want a structured, science-based learning system.
Developers seeking to efficiently identify and focus on their knowledge gaps for interview success.

Know the limitations

The system is focused on multiple-choice flashcard quizzes and may not cover all interview formats or soft skills.
Currently covers 24 categories mainly in web development technologies, which may limit use for other tech stacks.

What you can do

Prepare efficiently for web development technical interviews by mastering core concepts and difficult topics.
Accelerate learning and retention of web development technologies to improve job interview performance.

Features

Flashcard quizzes with instant feedback and clear explanations for every answer.
Progress tracking across categories with color indicators for quiz results.
Personalized quiz reviews with detailed explanations and feedback.
Covers 24 categories including HTML, CSS, JavaScript, React, Node.js, Python, databases, and performance optimization.

Integrations

Not confirmed yet.

Platforms & data export

Not confirmed yet.

THE COST FOR YOUR TEAM

Go beyond the starting price.

Published plan prices for your team size and usage. Results update as you type. Taxes, currency conversion and unlisted add-ons are excluded, and anything the source did not state is called out rather than guessed.

PeopleBillingCurrencyPrices are shown as published. No exchange rates are applied.Monthly usage per toolApplies to each tool’s own unit. Leave at 0 for subscription cost only.

Known monthly subtotal

$0.00/month

1 of 1 tools could not be priced with these inputs, so this is not the full cost.

Plan costs based on your requirements
Tool / plan	Monthly	Per year	What this assumes
99cards	No pricing recorded yet. Check the official site, or ask the owner to add it.

A practical workflow

Use short, focused quizzes daily to actively recall information and build strong memory connections.
Receive instant, actionable feedback on quiz answers to understand mistakes and improve.
Track progress visually with color indicators and personalized feedback to optimize study focus.

Based on the sources below. Editorial review does not imply hands-on product testing.

Alternatives to explore

Filter alternatives →

Candidates based on category and primary feature. Check feature and pricing differences before switching.

flashcards

✓ Reviewed

Flashcards World is a free spaced-repetition flashcard app available on web, iOS, and Android that helps users learn faster by scheduling reviews just before forgetting. It supports offline study, syncs progress across devices, and offers over 100,000 ready-made flashcard sets along with the ability to create and import custom decks.

Education & learning

Plan a switch from 99cards →

What changed

No changes recorded yet

Changes to the facts recorded here, not a live scan of every vendor update. Save this tool to follow updates in your account.

No changes recorded yet.

Comments

No comments yet. Be the first to say what 99cards costs you.

Sources & research

The Ultimate Web Dev's Interview Preparation System ↗

How we research, calculate costs, and distinguish sponsorship