Expanion
Contains adsIn-app purchases
Everyone
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1+
Downloads
About this app
Expanion is an "expression companion"—an AI learning app that assists you with English expressions. When you search for an English expression or sentence you are curious about, the AI organizes the meaning, natural example sentences, and even a literal translation, and you can save it on the spot as your own study card.
Expanion is an "expression companion"—an AI learning app that helps you with English expressions. ■ How to Learn
- Search: Enter English expressions or sentences, and AI instantly generates the meaning, example sentences, and literal translations.
- Save: Add your favorite example sentences to flashcards with a single tap.
- Review: Scientifically Intervaldated Repetition (SM-2) algorithm replays the content just as you are about to forget, helping you retain it in long-term memory.
■ Key Features
- AI Example Sentence & Meaning Analysis — Learn with natural sentences where expressions are actually used.
- Intervald Repetition Review (SRS) — Adjust your daily review amount for consistent, stress-free practice.
- Pronunciation Shadowing — Listen to example sentences and repeat them to check your pronunciation score (via built-in voice recognition).
- Contextual Meaning Lookup — Long-press a word in an example sentence to instantly see its meaning within that context.
- Cloze — Cover parts of the example sentence to actively recall and review.
- Korean Translation/Literal Translation — Provides both a natural translation and a literal translation that reveals the structure.
- Import/Export Vocabulary Lists (CSV) — Load your own lists or back up.
- Offline Support — Once searched, content is saved so you can review without data.
■ Recommended for:
- Not just words For those who want to learn English through 'expressions' and 'sentences'
- For those who want to study English consistently for conversation, exams, or self-improvement
- For those who keep forgetting memorized expressions and need systematic review
■ Free & Premium
- You can start for free and search up to a certain number of times daily (includes ads)
- Upgrade to Premium to access all features, including unlimited searches, ad removal, unlimited cards, and archiving
- 15,000 KRW per month / 129,000 KRW per year; 7-day free trial provided upon sign-up
- Subscriptions are billed via Google Play and can be cancelled at any time on the store
Turn those English expressions you used to let slip away into lasting skills. Start with Expanion today.
Privacy Policy: https://optimalreader.com/expanion/legal/privacy.html
Terms of Use: https://optimalreader.com/expanion/legal/terms.html
Expanion is an "expression companion"—an AI learning app that helps you with English expressions. ■ How to Learn
- Search: Enter English expressions or sentences, and AI instantly generates the meaning, example sentences, and literal translations.
- Save: Add your favorite example sentences to flashcards with a single tap.
- Review: Scientifically Intervaldated Repetition (SM-2) algorithm replays the content just as you are about to forget, helping you retain it in long-term memory.
■ Key Features
- AI Example Sentence & Meaning Analysis — Learn with natural sentences where expressions are actually used.
- Intervald Repetition Review (SRS) — Adjust your daily review amount for consistent, stress-free practice.
- Pronunciation Shadowing — Listen to example sentences and repeat them to check your pronunciation score (via built-in voice recognition).
- Contextual Meaning Lookup — Long-press a word in an example sentence to instantly see its meaning within that context.
- Cloze — Cover parts of the example sentence to actively recall and review.
- Korean Translation/Literal Translation — Provides both a natural translation and a literal translation that reveals the structure.
- Import/Export Vocabulary Lists (CSV) — Load your own lists or back up.
- Offline Support — Once searched, content is saved so you can review without data.
■ Recommended for:
- Not just words For those who want to learn English through 'expressions' and 'sentences'
- For those who want to study English consistently for conversation, exams, or self-improvement
- For those who keep forgetting memorized expressions and need systematic review
■ Free & Premium
- You can start for free and search up to a certain number of times daily (includes ads)
- Upgrade to Premium to access all features, including unlimited searches, ad removal, unlimited cards, and archiving
- 15,000 KRW per month / 129,000 KRW per year; 7-day free trial provided upon sign-up
- Subscriptions are billed via Google Play and can be cancelled at any time on the store
Turn those English expressions you used to let slip away into lasting skills. Start with Expanion today.
Privacy Policy: https://optimalreader.com/expanion/legal/privacy.html
Terms of Use: https://optimalreader.com/expanion/legal/terms.html
An English learning app where AI explains English expressions with example sentences and meanings, and helps you remember them for a long time through spaced repeated review.
Updated on
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.
What’s new
카드마다 멈춰서 기다리는 말하기 연습. 한국어 뜻을 먼저 듣고, 준비되면 영어를 몇 번이든 따라 말하세요. 핵심 표현은 빈칸으로 가려져 입이 먼저 움직입니다. 이어폰 버튼만으로 화면 없이 조작할 수 있어요. 블루투스 이어폰 버튼 인식, 재설치 시 초기 설정 미표시, 한국어 음성 검색이 영어로 인식되던 문제를 수정했습니다.
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About the developer
(주)프랙솔
retip.pracsol@gmail.com
대한민국 16822 경기도 용인시
수지구 동천로135번길 21 1305동 1002호 (동천동,한빛마을래미안이스트팰리스3단지)
+82 10-9299-0088
