AcoustioNary

Learn English inside a guitar world.

Every example sentence in AcoustioNary is about guitars — practice, tone, recording, performing, buying, and guitar culture — so you build real English while staying close to something you love.

Features

• 1,500+ leveled vocabulary cards, from basic to advanced

• Fill-in-the-blank questions (vocabulary + grammar, prepositions, collocations)

• Reading passages with comprehension questions

• Listening & pronunciation (on-device text-to-speech; works offline)

• A review queue of what you miss, plus a re-practice session

• Per-level focus mode

• Japanese/English UI, Light/Night (warm dark) themes

• Free to use — watch a short rewarded video to unlock another 45 minutes of practice. One-tap "Remove ads forever" available as a one-time in-app purchase.

Terms & Privacy

By using the app you agree to the Terms of Use (EULA).

• Terms of Use / EULA: https://app-docs.tonebeyond.jp/AcoustioNary-terms.html

• Privacy Policy: https://app-docs.tonebeyond.jp/AcoustioNary-privacy-policy.html

■ Level guide

Entry, Beginner, Intermediate, Advanced, and Expression are AcoustioNary's own communication goals. They do not represent exam grades or scores.