If you’re learning Kotlin and wondering what to build next, you’re in the right place. In this blog, we’ve put together 50+ Kotlin project ideas that are perfect for beginners, intermediate learners, and even advanced coders. These ideas will help you move beyond just reading tutorials and actually start creating real, useful apps.
Working on projects is one of the best ways to learn any programming language. It helps you understand how things work, improves your problem-solving skills, and makes your coding journey fun and exciting. Plus, these projects can boost your resume or portfolio and maybe even turn into something big!
So whether you want to create a simple calculator or build a smart app with cool features, you’ll find the right idea here. Let’s get started and bring your Kotlin skills to life!
Why Choose Kotlin For Projects?
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Kotlin offers a modern approach to coding—it’s clean, expressive, and significantly reduces boilerplate code. One of its standout features is seamless interoperability with Java, making it easy to integrate into existing codebases or migrate older apps. This flexibility has led to widespread adoption in Android development and backend systems.
Thanks to Google’s official support for Kotlin on Android, it’s now one of the most in-demand languages in the job market. Thanks to frameworks like Ktor and Spring Boot, it’s also making waves in the world of cross-platform and server-side development.
By working on Kotlin project ideas, you’re not just learning syntax—you’re preparing yourself for real-world applications. From mobile apps to AI chatbots, Kotlin opens up endless possibilities.
How To Pick The Right Kotlin Project Based On Your Skill Level?
Before diving into a list of Kotlin project ideas, it’s essential to choose a project that aligns with your current skill level. If you’re a beginner, stick with small applications that teach you the basics of Kotlin—variables, loops, functions, and basic UI. Intermediate developers should explore object-oriented programming, file handling, and API integration. For advanced coders, building full-stack apps or apps with complex architecture will be the most beneficial.
Your project goal matters, too—are you building it to learn, showcase in your portfolio, or solve a real-world problem? Choose accordingly. Start with small Kotlin projects for beginners and gradually move to more advanced Kotlin projects.
50+ Innovative Kotlin Project Ideas
Kotlin Project Ideas For Beginners
Here are some beginner-friendly Kotlin project ideas that help you get comfortable with the language and basic UI development.
Calculator App
Learn logic implementation with simple arithmetic operations.
To-Do List Manager
Store and manage tasks using local storage.
Unit Converter
Convert values between units (length, weight, temperature).
BMI Calculator
Simple app to calculate Body Mass Index based on height and weight.
Currency Converter
Fetch exchange rates using an API and do real-time conversion.
Age Calculator
Input date of birth and calculate current age in years, months, and days.
Notes App
Save and edit text notes using SQLite.
Number Guessing Game
Random number generation and condition handling.
Digital Clock
Display the current time dynamically.
Weather Forecast App
Use OpenWeather API to display live weather updates.
These Kotlin projects for beginners will help you master UI components, Kotlin syntax, and user input handling.
Kotlin Project Ideas For Intermediate Learners
These intermediate Kotlin projects involve using APIs, databases, or external libraries to build more functional and appealing apps.
Expense Tracker App
Track income and expenses with graphical charts.
Chat Application using Firebase
Real-time chat with cloud-based backend.
Quiz App with Scoreboard
MCQ-style quiz with a timer and scores.
Habit Tracker
Log and monitor daily habits and routines.
Recipe Book App
Browse and add favorite recipes with categories.
Custom Calendar with Reminders
Set and receive notifications for events.
Music Player
Play local audio files with custom UI and controls.
Task Scheduler using Notifications
Schedule and get notified of upcoming tasks.
File Explorer
Easily view, access, and remove files from your device storage.
Fitness Tracker App
Log workouts, calories burned, and steps using device sensors.
These intermediate Kotlin projects will solidify your understanding of real-world app architecture and integration.
Advanced Kotlin Project Ideas
Ready to level up? These advanced Kotlin projects are ideal for developers looking to build portfolio-worthy, production-grade applications.
E-commerce Mobile App
Browse products, cart management, and checkout with a payment gateway.
Food Delivery App
Real-time order tracking and user authentication.
AI Chatbot using Dialogflow
Create a smart assistant with NLP integration.
Inventory Management System
Manage product stocks, categories, and vendors.
Real-Time Location Tracking
Use Google Maps API and location services.
Video Streaming App
Stream content from a server using ExoPlayer.
IoT Home Automation Controller
Control lights and fans via mobile and Bluetooth/WiFi.
Event Booking System
Book events, generate QR codes, and validate entries.
Social Media App
Post updates, follow users, like, and comment.
Kotlin-based Blog CMS
Backend and frontend content management system with user roles.
These advanced Kotlin projects challenge you to design scalable, modular, and secure applications.
Innovative & Unique Kotlin Project Ideas
Here’s where creativity meets functionality. These innovative Kotlin projects will help you stand out.
AR-based Interior Design App
Use AR to visualize furniture in rooms.
Voice-controlled To-Do App
Add and complete tasks using voice commands.
Expense Splitter for Roommates
Split bills and track who owes what.
Mental Health Tracker with Mood Analysis
Daily mood logs, motivational quotes, and trends.
Code Snippet Manager
Save and categorize frequently used code snippets.
Nearby Help Finder (Emergency App)
Locate and contact nearby helpers during emergencies.
College Connect App
Peer-to-peer student platform for sharing notes, discussions, and events.
Smart Grocery List App
Auto-suggestions based on buying history.
Personal Finance Dashboard
Visualize expenses, savings, and goals.
Pet Care Reminder App
Get reminders for feeding, grooming, and vet visits.
Plant Watering Scheduler
Schedule notifications for watering plants.
Goal-Oriented Journal App
Track daily achievements and milestones.
AI Study Assistant
Use AI to generate flashcards and quizzes from text.
Resume Builder
Create and export resumes in multiple formats.
Live Voting App
Real-time polls with result visualization.
Parking Spot Finder App
Locate nearby parking spaces.
Language Learning App
Flashcards, quizzes, and audio support.
Podcast Manager
Subscribe and manage podcasts.
Feedback & Survey App
Collect and analyze feedback or survey responses.
Loyalty Program Tracker
Track points, coupons, and rewards.
Bonus Ideas
- Augmented Reality Games using Kotlin
- Smart Home Lighting Control App
- Kotlin Web App using Ktor Framework
- Virtual Event Management Platform
Tools and Technologies To Use With Kotlin Projects
To bring your Kotlin project ideas to life, here are the essential tools:
IDEs: Android Studio, IntelliJ IDEA
Frameworks: Ktor (web), Spring Boot (backend)
Libraries: Retrofit (API), Room (Database), Firebase (Backend), Jetpack Compose (UI)
APIs & Databases: OpenWeather API, Google Maps, SQLite, Firestore
Choosing the right stack improves performance and boosts productivity.
Tips To Make Your Kotlin Projects Stand Out
Here are some ways to polish your Kotlin project ideas:
- Design with Jetpack Compose for sleek UI/UX.
- Use GitHub for version control and sharing.
- Follow clean architecture to structure your code.
- Write documentation and readme files for clarity.
- Share on platforms like LinkedIn, GitHub, or Dev. To.
The more polished and well-documented your projects are, the more they’ll shine in portfolios and interviews.
Final Words
Kotlin is not just a language—it’s a gateway to building real-world, modern applications. By working on these Kotlin project ideas, you’ll develop practical skills that go beyond textbooks. From basic calculators to AI-powered assistants, each project takes you a step closer to becoming a confident Kotlin developer.
Don’t wait for the “perfect moment”—pick an idea, start building, and keep iterating. And if you’ve already built something awesome, we’d love to hear about it! Share your experience or favorite project in the comments.
FAQs
Are Kotlin projects useful for getting a job?
Yes, showcasing Kotlin projects on your GitHub or resume demonstrates practical skills and makes you more employable.
Can Kotlin be used for backend development?
Absolutely! Kotlin works well with frameworks like Spring Boot and Ktor for backend applications.
