Study Buddy

Ayush Dinda — Sun, 04 Oct 2026 07:21:02 +0000

Hacktoberfest Weekend Challenge: Build for a Friend

This is a submission for the Hacktoberfest Weekend Challenge: Build for a Friend

What I Built

StudyBuddy — Pomodoro, Flashcards & Quiz Arena

I built StudyBuddy, an all-in-one study companion designed to make studying more focused, organized, and interactive.

The idea behind StudyBuddy is simple: students often switch between different apps for focus sessions, revision, and self-testing. StudyBuddy brings these essential study tools together in one lightweight browser application.

What it does

Pomodoro Timer
- Focus, short-break, and long-break modes
- Customizable session durations
- Start, pause, reset, and skip controls
- Visual progress indicator
- Daily focus-session tracking
- Optional sound notifications
Interactive Flashcards
- Create custom decks
- Add, edit, and delete flashcards
- 3D card-flip interaction
- Previous/next navigation
- Shuffle cards
- Mark cards as "Still Learning" or "Got It"
- Track mastery of cards
Quiz Arena
- Generate quizzes from flashcard decks
- Create custom multiple-choice questions
- Choose the number of questions
- Optional per-question timer
- Randomized questions and answer choices
- Instant feedback and explanations
- Score and percentage results
- Retry quizzes

The application stores study data directly in the browser using LocalStorage, so there is no account or backend required for the current version.

Who I Built It For

I built StudyBuddy for students and friends who want a simple way to stay consistent with studying without having to manage several separate tools.

The goal was to make revision feel less like a collection of disconnected tasks and more like one simple study workflow:

Focus → Revise → Test → Improve

Demo

Live Demo

Add your deployed StudyBuddy URL here after deployment.

https://github.com/AyushDinda/studybuddy-hacktober26

Code

The complete source code is available on GitHub:

Repository:

https://github.com/AyushDinda/studybuddy-hacktober26

The project is a client-side web application built with HTML, CSS, and JavaScript.

How I Built It

StudyBuddy was developed with the help of Antigravity and Gemini Flash 8, which I used as an AI-powered development and problem-solving companion during the project.

Technology Stack

HTML5 — application structure and semantic UI
CSS3 — responsive design, animations, styling, and 3D flashcard effects
JavaScript — application logic and interactive functionality
LocalStorage API — persistent browser-side study data
Web Audio API — Pomodoro sounds and interaction feedback
Antigravity + Gemini Flash 8 — AI-assisted development, debugging, implementation guidance, and feature refinement

Main Application Components

Pomodoro Timer

The Pomodoro system manages focus sessions and breaks through a dedicated timer implementation.

It supports:

Focus sessions
Short breaks
Long breaks
Custom durations
Automatic session transitions
Daily focus statistics
Browser title countdown
Sound notifications

Flashcard Engine

The flashcard system manages decks and cards entirely in the browser.

Users can create decks, add cards, edit cards, delete cards, shuffle cards, flip cards, and track whether they have mastered individual cards.

Quiz Arena

The quiz system can generate questions from an existing flashcard deck or allow users to build their own question bank.

When a quiz is generated from a flashcard deck, the application uses the stored flashcard content to construct multiple-choice questions and answer choices.

It also supports:

Question randomization
Answer randomization
Question timers
Instant feedback
Explanations
Score calculation
Quiz results
Retry functionality

Local Persistence

Study data is saved using browser LocalStorage, including:

Pomodoro settings
Focus statistics
Flashcard decks
Active deck
Custom quiz questions
Sound preferences

This allows the user to close or refresh the browser without immediately losing their study data.

AI-Assisted Development

A major part of the development workflow was using Antigravity with Gemini Flash 8 as an AI development companion.

Gemini Flash 8 helped with:

Breaking the project into manageable features
Reasoning about JavaScript implementation
Debugging and troubleshooting
Refining UI interactions
Improving application logic
Iterating on features
Reviewing implementation approaches
Helping turn the initial idea into a working browser application

The AI was used as a development collaborator rather than as a replacement for the application's own functionality.

The final StudyBuddy application is intentionally lightweight and client-side. It does not require a cloud AI API for its core Pomodoro, flashcard, or quiz functionality.

Why Does Open Innovation Matter?

Open innovation makes it easier for individual developers and small teams to turn ideas into working software.

For a project like StudyBuddy, AI-assisted development helped reduce the time required to move from an idea to a functional prototype. Instead of spending all of the development time searching through documentation or getting stuck on individual implementation problems, I could use an AI development companion to explore approaches, debug issues, and iterate quickly.

The combination of open web technologies and AI-assisted development also keeps the project accessible.

StudyBuddy does not depend on a complex backend infrastructure. Anyone can inspect the source code, understand how the application works, modify it, and build their own version.

That is the part of open innovation that I value most:

Ideas become easier to experiment with, improve, share, and build upon.

My Agent Session

Optional: Add your saved Antigravity/DevRelay agent session here if available.

Example:

[View my agent session](YOUR_AGENT_SESSION_URL)

Prize Categories

Build for a Friend

StudyBuddy is being submitted for the Build for a Friend category.

The project was created around a practical student problem: staying focused while studying, organizing revision material, and testing knowledge without constantly switching between different tools.

Project Highlights

Lightweight client-side application
No login required
No backend required
Persistent browser storage
Responsive interface
Interactive 3D flashcards
Custom flashcard decks
Flashcard-based quiz generation
Timed quizzes
Instant quiz feedback
Pomodoro productivity tracking
Web Audio feedback
AI-assisted development with Antigravity + Gemini Flash 8

Built With

HTML5 • CSS3 • JavaScript • LocalStorage API • Web Audio API • Antigravity • Gemini Flash 8

Thanks for checking out StudyBuddy! 🚀

DEV Community: Ayush Dinda