adrianhajdin

adrianhajdin / react-native-lingua

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React Native Duolingo clone with a real-time AI voice teacher. Built with Expo, Stream Voice Agents, Clerk auth, and NativeWind for a complete, interactive mobile learning experience.

jsmastery.com clerk getstream-io nativewind posthog react-native
21
9
89% credibility
Found May 17, 2026 at 21 stars -- GitGems finds repos before they trend. Get early access to the next one.
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AI Analysis
TypeScript
AI Summary

Lingua is a mobile language-learning app that teaches Spanish, French, Japanese, and German through interactive lessons and real-time voice conversations with an AI teacher. Users create an account, choose their target language, then learn through bite-sized activities and live spoken practice with an AI tutor who responds to them in real time. The app tracks daily goals, XP earned, and learning streaks to keep users motivated.

How It Works

1
📱 You hear about it

You discover a language learning app through a YouTube tutorial and decide to try it out on your phone.

2
🎉 You create your account

You sign up with your email or connect with Google, Apple, or Facebook — your choice.

3
🌍 You pick your language

From the onboarding screen, you choose which language you want to learn — Spanish, French, Japanese, or German.

4
🏠 Your learning dashboard appears

You land on your personal home screen showing your daily goal, streak, and today's learning plan.

5
You choose how to learn
📖
Study lessons

You complete fun activities, learn new words, and earn XP for each lesson you finish.

🎙️
Talk to your AI teacher

You hold a button to speak, and your AI tutor Luna, Claire, Yuki, or Max responds in real time — like having a private tutor in your pocket.

6
📊 You watch yourself grow

Your XP fills up, your streak climbs higher, and you see real progress in your language skills.

🎊 You're speaking another language!

Every day you practice, you're one step closer to fluency — and you have a patient AI teacher ready whenever you are.

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Star Growth

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AI-Generated Review

What is react-native-lingua?

A Duolingo-style language learning app built with React Native and Expo that includes a real-time AI voice teacher for conversational practice. Users pick a language (Spanish, French, Japanese, or German), work through structured lessons, and can hold actual voice conversations with an AI tutor that listens and responds. The app handles the full flow from onboarding through lesson completion, with Clerk handling sign-in and social authentication.

Why is it gaining traction?

The hook is the live voice conversation feature. Unlike most language apps that rely on multiple-choice quizzes, this one lets you hold a real spoken dialogue with an AI teacher who adapts to your responses. Stream's real-time audio infrastructure powers the voice interaction, while a Python agent handles the AI conversation logic. The "push and hold to speak" interface makes it feel like a phone call rather than a chatbot. For developers, it demonstrates how to wire together Expo, Clerk, Stream, and NativeWind into a cohesive mobile app with real-time features.

Who should use this?

React Native developers building apps with voice or video features will find the integration patterns useful. Developers evaluating Stream Voice Agents for AI tutoring use cases can reference this as a working example. The tutorial-heavy README makes it approachable for learners following along with the JavaScript Mastery YouTube channel. Early-stage startups prototyping language learning products can use it as a starting point, though the 21-star count signals it's still early.

Verdict

At 0.8999999761581421% credibility, this is a tutorial project with real functionality, not production-ready code. The voice teacher works, but test coverage and documentation depth reflect its learning-focused origin. If you're building a similar app, study the auth flows and Stream integration. If you need a production language app today, look elsewhere.

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