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Lumen: AI Language Tutor

Lumen: AI Language Tutor

Speak English, Spanish & more

3 ratings
3 reviews
📚 Education
📊 Productivity
Free
In-App Purchases

Details

  • Released
  • Updated
  • July 31, 2026
  • September 1, 2026

Features

Developer

Daniel Araujo
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About

Engage in real-time spoken conversations with an AI tutor to improve language fluency. The app focuses on speaking practice, providing instant feedback and personalized lessons based on your learning goals and level. It offers a unique approach to mastering new languages through interactive dialogue.

✓Real-time spoken conversations
✓AI tutor listens and corrects
✓Personalized course based on goals
✓Adaptive level testing
✓Learn 7 languages
✓Vocabulary building
✓Conversation transcripts
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What's New in Lumen

1.2.2

September 1, 2026

Revisit any level you've finished — just tap your level badge. Plus smoother transitions and a clearer progress check.

Subscription plans

Lumen Monthly

Full access to your AI speaking tutor

$14.991 Month
3 Days trial
How to cancel Lumen subscription ⁉️

User reviews

Most RecentHighest RatedLowest Rated

Really Good App

I thought it was gonna be similar to other AI language apps, but this one has way more realistic and natural conversations. It has been a great way to practice my Japanese. I love how it corrects me and saves the corrections for review. It’s really helpful and made me realize some frequent mistakes I didn’t know was making. I totally recommend it!
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Luke.richsLuke.richs

Best Language App I’ve Tried Yet!

I’ve tried all of the mainstream language learning apps and this is my favorite by far! As someone who used to teach Portuguese as a second language, I’ve found that speaking is the fastest way to learn, but it’s hard to find someone to speak with. I love that Lumen is a stress-free tool I can talk to, without feeling embarrassed when I make mistakes! I recommend to anyone who doesn’t want to just learn how to read a language, but really speak a language!
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2002Bean2002Bean

Fantastic App!

I took French classes in high school and I wanted to keep learning but there aren’t a lot of opportunities to practice. This app has helped me so much! It met me right at my level and helped me to actually speak. Better than any other app I’ve tried!
Hannah450Hannah450

FAQ

How does Lumen teach languages?

Lumen focuses on spoken practice through real-time conversations with an AI tutor. It listens, provides corrections mid-conversation, and saves new vocabulary. The app builds personalized courses based on your stated learning goals and adapts to your proficiency level.

What languages can I learn with Lumen?

Lumen supports learning English, Spanish, Portuguese, French, German, Italian, and Japanese. The app itself is available in all seven languages, allowing you to learn in a language you already understand.

Does Lumen have ads?

No, Lumen is ad-free. As a subscription-based service with a free trial, it focuses on providing an uninterrupted learning experience without advertisements.

How much does Lumen cost?

Lumen offers a free trial followed by subscription plans. Options include a 1-month plan for $14.99 or a 6-month plan for $59.99, which averages to $9.99 per month.

Can I cancel my Lumen subscription?

Yes, you can cancel your Lumen subscription at any time. Cancellations must be made in your Apple ID settings at least 24 hours before the renewal date to avoid being charged for the next period.

What is the Lumen Level Test?

The Lumen Level Test is a timed, adaptive assessment that evaluates your listening and speaking abilities. It can accurately place you on the CEFR scale from A1 to C2, and your AI tutor will then tailor lessons to your specific level.

Is Lumen suitable for beginners?

Yes, Lumen is designed to be effective for beginners. Your AI tutor speaks at your level and can switch to your native language if you get lost, making it accessible from your very first lesson.

How often is Lumen updated?

Lumen was last updated on August 19, 2026, with version 1.1. This indicates a recent update, suggesting ongoing development and support for the application.