LexFlow

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Everyone
10+
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Content rating
Everyone
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About this app

LexFlow — Just input. Learn the English that native speakers actually use.

From movies, books, YouTube, podcasts… Simply input any English words or phrases you're curious about. AI automatically generates definitions, example sentences, formality levels, similar expressions, and cultural nuances from a native speaker's perspective. You'll grow your own personalized vocabulary list, surpassing even a dictionary in terms of information.


LexFlow — Just input. Learn the English that native speakers actually use.


From movies, books, YouTube, podcasts… Just input any English words or phrases you're curious about. AI automatically generates definitions, example sentences, formality levels, similar expressions, and cultural nuances from a native speaker's point of view. [AI-Generated Information]
- English definition, example sentences, Japanese translation, phonetic transcription
- Formality (casual/formal), frequency of use
- Comparison of similar expressions (including nuances)
- Cultural notes from a native speaker's perspective
- Practical conversation examples (with Japanese translations)

[Other Features]
- Spaced Repetition (SRS) — Review at the optimal timing based on the forgetting curve
- Pronunciation Playback — Read aloud words and example sentences with one tap
- Milestone Badges — Visualize your learning progress
- Learning Statistics — Track consecutive learning days and retention progress
- Tag management, dark mode, and English-Japanese bilingual support

[Recommended for those who:]
- Want to memorize expressions encountered in foreign films, TV shows, and books
- Want to move beyond simply "looking up words"
- Want to create their own high-quality vocabulary list effortlessly

Just input the words. Let the AI ​​handle the rest.
Updated on
May 17, 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, App info and performance, and Device or other IDs
Data is encrypted in transit
You can request that data be deleted

What’s new

Android 版初回リリース
Content rating
Everyone
In-App Purchases
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App support

Phone number
+18058245589
About the developer
森寛太
mrknt0088@gmail.com
2-19-22 名古屋市西区菊井, 愛知県 4510044 Japan

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