📚 Daily English App

An interactive mobile learning app to boost your English daily — inspired by LinkedIn’s “Today’s Puzzles”, but focused on reading, vocabulary, and grammar.

Built with React Native (Expo) and powered by AWS Serverless + OpenAI, it delivers fresh content and quizzes every day.

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✨ Key Features

• Daily AI-Generated Passage – Unique, varied difficulty using OpenAI.
• Auto-Generated Quizzes – Comprehension, vocabulary, and grammar checks.
• Multiple Login Options – Google or native signup (username, email, phone) via AWS Cognito.
• Progress Tracking – Results stored in AWS DynamoDB.
• Personalized Tips – Vocabulary & grammar suggestions after quizzes.
• Fully Serverless Backend – AWS Lambda + API Gateway for speed & scalability.

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🛠 Tech Stack

• Frontend – React Native (Expo), Styled Components
• Backend – AWS Lambda, API Gateway
• Database – AWS DynamoDB
• Auth – AWS Cognito (Google + native)
• AI – OpenAI API for passages & quizzes
• Infra – 100% serverless AWS

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🎯 Vision

Transform daily English learning into a quick, fun 5–10 min habit.
Whether for exams, work, or personal growth — this app makes progress consistent, interactive, and AI-powered.

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This is an Expo project created with create-expo-app.

Get started

1. Install dependencies

   npm install

2. Update aws-exports.js

   cp src/aws-exports.example.js src/aws-exports.js

3. Start the app

   npx expo start

In the output, you'll find options to open the app in a

• development build
• Android emulator
• iOS simulator
• Expo Go, a limited sandbox for trying out app development with Expo

You can start developing by editing the files inside the app directory. This project uses file-based routing.

Bare React Native

cd ios && pod install && cd ..
open ios/\*.xcworkspace # open in Xcode (not .xcodeproj)

In Xcode: select a Simulator (e.g., iPhone 15) → ▶ (Cmd+R)

or via CLI:

npx react-native run-ios

Get a fresh project

When you're ready, run:

npm run reset-project

This command will move the starter code to the app-example directory and create a blank app directory where you can start developing.

Learn more

To learn more about developing your project with Expo, look at the following resources:

• Expo documentation: Learn fundamentals, or go into advanced topics with our guides.
• Learn Expo tutorial: Follow a step-by-step tutorial where you'll create a project that runs on Android, iOS, and the web.

Join the community

Join our community of developers creating universal apps.

• Expo on GitHub: View our open source platform and contribute.
• Discord community: Chat with Expo users and ask questions.