Learn how mobile apps work with Kotlin, Jetpack Compose, Dart and Flutter side by side.

KotDart Pro brings concepts, visual explanations, code and practice into one learning space. Start with mobile app foundations, follow the curriculum, and revisit explanations as your understanding grows.

A STRUCTURED LEARNING JOURNEY
Explore 65 bundled lessons covering app foundations, mobile app anatomy, Kotlin and Dart, UI controls, layouts, state, data, architecture, accessibility and advanced engineering. Follow a prerequisite-based roadmap with clear learning goals.

VISUAL EXPLANATIONS THAT CONNECT TO CODE
Read a story or analogy, examine a compact visual model, then connect it to the technical explanation. Analogy limits distinguish the memorable story from actual framework behaviour. Explore diagrams, syntax-highlighted examples, common mistakes, deeper explanations and links to official documentation.

KOTLIN AND FLUTTER SIDE BY SIDE
Compare Kotlin and Jetpack Compose with Dart and Flutter. See how related ideas appear in each framework and where their approaches differ.

PRACTICE WHAT YOU LEARN
Use challenges, guided hints, solutions, quizzes and recall activities. Relevant code cards link to Kotlin Playground or DartPad so you can continue practising in your browser. Compatibility varies; Android-specific and full-project examples require an appropriate development environment.

YOUR READING SPACE
Choose themes, fonts, text sizes and preset or custom accent colours. Use supported reading views to focus on stories, code, comparisons or reference material. Bookmark lessons, track your progress locally and set optional study reminders.

OFFLINE LESSONS
No KotDart account is required. Lessons are bundled with the app. Ads, purchases, external documentation and online playgrounds need an internet connection.

OPTIONAL COFFEE BEANS
The app contains banner ads. You can choose to complete a rewarded ad for 1 Coffee Bean or buy one-time Coffee Bean packs through Google Play. Beans are digital collectibles with no cash value. Lessons do not require an ad or purchase. Packs are not subscriptions.

Progress, preferences and Coffee Beans stay on this device. Uninstalling or clearing app data removes the local collection; consumed Coffee Bean purchases cannot restore it.

KotDart Pro is an independent educational app by Gurjeet S. It is not an official product of Google or JetBrains and does not award an accredited qualification.

Support: support.kotdart.dev@gmail.com