MindExpedition

Splash Screen
Home Screen
Expedition Map Screen
Expedition Summary Screen
Daily Challenge Screen

MindExpedition is an AI-powered Flutter app that transforms learning into an engaging adventure. It lets users explore any topic as a dynamic mind map, diving deep into subtopics, timelines, key discoveries, and fascinating facts — all generated in real-time using Perplexity's Sonar Pro API.

Inspiration

We wanted to rethink how people explore and learn new topics. Instead of static textbooks or long videos, what if learning felt like a journey — visual, dynamic, and curiosity-driven? This led to the idea of MindExpedition, a tool that turns any topic into a real-time visual expedition using AI.

What it does

MindExpedition is a mobile app that turns any concept into a mind map with AI-generated subtopics. Users can tap into each node to explore:

A timeline of key historical or scientific milestones Major discoveries A surprising or fun fact

Everything is generated live using Perplexity AI's Sonar Pro model, making the journey different every time.

How we built it

Frontend: Built entirely in Flutter with a modern UI and animated mind map layout using CustomPainter and AnimationController.

AI Integration: Connected to Perplexity’s Sonar Pro API for generating subtopics and expedition summaries.

No backend was used in this version — everything runs from the app with real-time API responses.

We added smooth transitions, loading indicators, and dynamic parsing of AI output into timelines and structured content.

Challenges we ran into

Generating clean, structured outputs from the Sonar API and parsing them correctly.
Balancing speed and quality of results — we initially tested Sonar Deep Research, but it was slower, so we chose Sonar Pro for responsiveness.
Designing a scalable circular layout for dynamically fetched subtopics.
Handling loading states and animation sync without a backend.

Accomplishments that we're proud of

Delivering a seamless, scroll-free, tap-to-learn interface powered entirely by AI.
Creating an immersive visual experience using Flutter's animation system.
Building the entire concept without any backend while maintaining interactivity.
Dynamically generating timelines and structured insights from simple user input.

What we learned

How to structure prompts for Perplexity AI to return clean, parsable content.
The performance differences between Sonar models — and how to choose the right one for UX vs depth.
Handling real-time API integrations and animations in a Flutter app with no external state management.

What's next for MindExpedition

User Profiles & History: Let users save their expeditions and revisit them later. Personalized Exploration: Recommend new topics based on interests. Daily Challenges: Suggest trending or random topics with an “Accept Challenge” journey. Social Features: Let learners share or collaborate on expeditions. Laravel Backend: Introduce authentication, topic tracking, and future gamification.