# Astrophy

> Astrophy is a free, ad-free astronomy education app for children ages 8-16, available on Android and web.

## About

Astrophy offers over 50 interactive astronomy lessons covering the solar system, constellations, galaxies, black holes, exoplanets, astrobiology, and space exploration history. Content is sourced from NASA, ESA, and ISRO. The app features three age-adapted learning paths (ages 8-10, 11-13, 14-16), daily space discoveries, a built-in AI chatbot called Cosmo, and a gamification system with XP, streaks, and 10 progression ranks from Space Cadet to Cosmos Master.

Astrophy is completely free with no ads, no in-app purchases, and no data collection. No account creation is required. The app supports 10 languages: English, Hindi, Spanish, French, German, Portuguese, Italian, Japanese, Korean, and Chinese.

## Key Facts

- Price: Free (no ads, no in-app purchases, no subscriptions)
- Target audience: Children ages 8-16
- Platforms: Android (Google Play), Web (app.astrophy.in)
- iOS: Coming soon
- Lessons: 50+ interactive lessons across 8+ courses
- Session length: 5-10 minutes per lesson
- Languages: 10
- Offline: Yes, courses are cached for offline learning
- Content sources: NASA, ESA, ISRO

## Pages

- Homepage: https://astrophy.in
- Web App: https://astrophy.in/app.html
- Google Play: https://play.google.com/store/apps/details?id=com.sg.astrophy
- Privacy Policy: https://astrophy.in/privacy-policy.html
- Terms: https://astrophy.in/terms-and-conditions.html

## Features

- Interactive Courses: Structured lessons on astronomy topics adapted to three age groups
- Quizzes & XP: Knowledge-check quizzes after every lesson with XP rewards
- Daily Discovery: A new astronomy fact every day sourced from space agencies
- Space News: Latest discoveries and missions from NASA, ESA, and ISRO
- Cosmo AI Chatbot: AI-powered chatbot that answers astronomy questions in kid-friendly language
- Offline Learning: Courses are cached for learning without internet
- 10-Rank Progression: Space Cadet, Stargazer, Sky Watcher, Rocket Rider, Orbit Keeper, Nebula Scout, Galaxy Guide, Nova Ace, Star Forger, Cosmos Master

## Learning Paths

- Ages 8-10 (Beginner Explorer): Fun, visual lessons with simple language about planets, the Moon, and stars
- Ages 11-13 (Intermediate Navigator): Deeper exploration of galaxies, nebulae, and space missions with challenging quizzes
- Ages 14-16 (Advanced Voyager): Real astrophysics concepts including black holes, exoplanets, dark matter, and astrobiology