Your English partner living on the moon

Tonight, your English stops getting stuck.

Just speak. LUNA listens to your words, remembers them, and answers back. The more you talk, the closer you become.

— I remember every English word you've said to me.

Just talk

No buttons to think about. No sentences to plan. Just speak.

She remembers

Topics you shared, favorites, even your speaking habits — she keeps them all.

3 days, fully free

Try everything from day one. No surprises, no friction.

Chatting with LUNA

Inside the app

Fun keeps you going — that's how your English grows.

Conversations you want to start, memory that holds onto everything you said. The longer you stay, the more your English grows.

Never run out of things to say.
Speak

Never run out of things to say.

No more "what should I talk about?" — LUNA brings up the topic, so you can start the moment you sit down.

  • LUNA opens up the topics for you
  • Adapts to your mood and your day
  • Start whenever the mood strikes
When the words don't come, they appear.
Never stuck

When the words don't come, they appear.

"How do I say this?" — the right phrase shows up right there. Say it out loud, and the conversation keeps going.

  • Hints appear the moment you get stuck
  • Lost? Switch to your own language anytime
  • Read it out and you're back in flow
Grammar and pronunciation, polished.
Feedback

Grammar and pronunciation, polished.

Look back on what you said: errors highlighted, smoother phrasing suggested, even pronunciation tips — LUNA guides you gently.

  • Mistakes get highlighted on the spot
  • Smoother, more natural phrasing
  • Pronunciation tips, attentively offered

Why LUNA

It feels good to continue, so suddenly you're speaking.

Every moment that makes you want to speak English is by design.

LUNA compatibility match screen

Real-time voice chat

Replies come back in milliseconds. Your mouth moves before your brain catches up.

A partner that remembers

Topics, preferences, tone — LUNA holds all of it between sessions.

Starts from a personality match

An MBTI-style match at the start tunes how LUNA speaks with you.

Pricing

Easy to start, easy to keep going.

Free for 3 days, everything unlocked. Choose monthly or yearly when you fall for it.

3 days free

From the day you create your account, every feature is free for 3 days. Take your time before deciding.

Pay securely on this page with a credit card. Cancel anytime.

Recommended

Yearly

  • Real-time AI English conversation
  • Memory that knows you
  • Your moon address grows
¥1,290¥1,025/mo
~¥34/day

Auto-renews yearly (¥12,300) until cancelled

Monthly

  • Real-time AI English conversation
  • Memory that knows you
  • Your moon address grows
¥1,290/mo
~¥43/day

Auto-renews monthly until cancelled

※サブスクリプションはいつでも解約可能です。解約後も次回更新日まではご利用いただけます。
※無料トライアル期間中に解約された場合、料金は発生しません。

Creators club

LUNA CREATOR CLUB

Meet the creators enjoying English with LUNA.

KOTA

元アメリカ社畜

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育也 / 英語キャリアコーチング

🌱英語で人生のモチベーション上げる人🌱

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英語パパゆうと

マネするだけでネイティブ英語発音

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mahina|海外に行きたい18歳

留学なしでペラペラ目指す18歳

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Yui 最短で話せる英語勉強📚

英語コーチ

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べんかなこ | 英語0からの国際結婚

英語力ゼロで国際結婚

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Allium

海外大学生 バンクーバー生まれのほぼ日本育ちのハーフ🇨🇦🇯🇵

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CHIHO

休学留学生

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ユイ¦深夜1時からの英語勉強vlog

日本を出ずにTOEIC満点めざす女子大生🍒

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coco

pure🇯🇵生まれ&育ちのEng speaker 📚👩‍🎓

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旅する英語コーチ Shizuka

英語コーチ/元CA

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ちひろコーチ

\駐在ママのお助け日常英会話/⁡

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FAQ

Frequently asked questions

Everything you'd want to know before starting.

Can I use it if my English is weak?+

Of course. LUNA adapts to your level, so beginners feel safe from day one. Hints appear when you get stuck.

Do I have to use it every day?+

Not at all. Even short repeated conversations help LUNA remember you, and speaking gets easier over time.

I'm nervous about making mistakes.+

You're safe. LUNA never rushes you toward a 'correct' answer. She receives whatever you can say.

When does the free trial begin?+

Every feature is free for 3 days starting the day your account is created. You'll start the trial inside the app on first launch.

How do I cancel?+

For web subscribers, cancel from your subscription management page. For in-app purchases (App Store / Google Play), cancel from your device's subscription settings. Nothing is charged during the free trial.

How is this different from ChatGPT or other AI English apps?+

LUNA remembers your conversations, so the relationship deepens the longer you stay. Continuity is part of the world — your moon address grows as you go.

Download

I'll be here tonight.

Open LUNA on the App Store or Google Play and start speaking. The first 3 days are completely free.

Download on the App StoreGet it on Google Play
Get started now
LUNA | Your English partner living on the moon