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Chunkbook: AI Phrasebook

Speak English Chinese Korean
Ryuya Kawano · Education
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App info

Developer
Ryuya Kawano
Category
Education, Utilities
Released
Sep 16, 2026
Version
1.0.3 (Sep 29, 2026)
Price
Free
Size
60.1 MB
Requires
iOS 15.0
Age rating
4+
Languages
English

In-app purchases

none
Current prices, App Store US.

About Chunkbook: AI Phrasebook

Chunkbook turns the phrases you could not say in conversation and the foreign sentences you come across into "your own AI phrasebook" and keeps them in review until you can say them. ■ Adding phrases is easy Paste, speak or write. AI analyzes the sentence in about 10 seconds and creates a natural example sentence and the phrases worth remembering. Sentences you write yourself are corrected on the spot and your original text is kept. ■ Review quiz right before you forget Anki-style spaced repetition (SM-2) sets the next due date for every card. A few minutes a day is enough. ■ Instant Speaking gets it out of your mouth See the meaning and say it out loud within the time limit. Phrases you could not say come back until you can. AI checks your speech and records what you said and what you could not say. ■ Listen and shadow Play the translation and the target language back to back.…
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