AIで英語 - AIコーチとつくる、実戦の英語力

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About this app

Before creating the English app, I fed research papers into AI.

One thing became clear: the reason Japanese people can't speak English isn't due to a lack of effort, but rather a problem with the order of learning. If it's just a matter of the order of methods, it can be corrected.

■ Why I Created It

There are tons of English learning apps and English conversation apps out there. But I couldn't find any that explained "why" you should do things in that order.

So, before creating it, I had AI research on second language acquisition (SLA). The reasons why Japanese people can't speak English were broadly categorized into three points:

1. Sound processing can't keep up (it's not because of poor hearing)
2. Insufficient practice in speaking (there weren't opportunities in school)
3. Knowledge isn't in a "usable form" (you can explain it, but you can't use it spontaneously)

Obtaining the cause allows you to determine the order. This app identifies your weaknesses in a 5-minute diagnosis, and the AI ​​then creates a practice sequence for you.

■ First, the 5-minute diagnosis

The first thing you do isn't studying, but confirming your current level. This assessment diagnoses your five language skills according to the CEFR (Common European Framework of Reference for Languages).

Is it a problem with hearing? Is it difficulty recalling words? Do you know the words but can't speak them? Different causes require different approaches.

You can take the assessment as many times as you like with the free plan.

■ What you can do:

・CEFR 5-skill assessment… 5 minutes. Identify your weaknesses and create a learning plan.

・Shadowing… AI scores your pronunciation phoneme by phoneme. See which sounds you mispronounced.

・Dictation… See the parts you missed in listening in written form.

・AI role-playing English conversation… Meetings, business trips, casual conversations. Since your speaking partner is an AI, it's okay to stumble over your words.
- AI correction of English diary entries… It corrects the English you've written and explains why it was corrected.
- Vocabulary list… It uses spaced repetition, so words appear just before you forget them.
- Grammar drills… Practice to transform your knowledge into a "usable form."

■ You can practice without anyone seeing you.

The biggest hurdle in English conversation might be having someone see your mistakes.

Since your practice partner in this app is only an AI, you can repeat yourself as many times as you need. Make all your mistakes here and focus on speaking in real conversations.

■ For people like this:

- Can't keep up with English in meetings and conferences.
- Have a TOEIC score, but can't speak.
- Want to relearn English on your own, but don't know where to start.
- Want to practice business English without attending classes.
- Don't have the time or money to attend an English conversation school.

■ Why it's only 980 yen per month

The research was done by an AI, the creation was done by an AI, and the teaching is done by an AI. We passed on the savings from not hiring instructors to the price.

■ Pricing

All features are free for 14 days. No credit card registration is required.

The diagnostic test remains available indefinitely with the free plan.

After that, it's 980 yen per month.

――――――
*The design of this app's English learning method is based on insights from second language acquisition research. Individual results may vary.
Before creating the English app, we fed research papers into AI. We present only the learning methods supported by research findings, in your preferred order. Start with a free 5-minute assessment.
Updated on
Sep 7, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • No data shared with third parties
    Learn more about how developers declare sharing
  • This app may collect these data types
    Personal info, Financial info and 6 others
  • Data is encrypted in transit
  • You can request that data be deleted

What’s new

・アプリからそのまま Google Play の評価・レビューを送れるようになりました。学習が一区切りついたタイミングでのみお伺いします。
・細かな改善と不具合の修正を行いました。
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App support

About the developer
NUEVA HOLDING INC.
support@nueva.co.jp
227, DAIKOKUCHO, HIGASHIIRU, ABURANOKOJI, SHICHIJODOORI, SHIMOGY DAI-2 KYOTO BLDG. 402 KYOTO, 京都府 600-8223 Japan
+81 90-5480-7432