Rakuo

By: 颖嬿邱 App

Every grammar has its place

Overview

Apple Apps Store

Version:

1.0.4

Last updated: 2026-08-10

Ranking

#2,055,410 ▼ 16,690

Overall

Features & Capabilities

Turn videos, subtitles, podcasts, novels, and words into language-learning resources you can study, save, and review.

Rakuo helps you learn languages in a natural way through the videos and books you love, combined with smart tools. Core features support cross-language learning across English, Chinese, Korean, and Japanese.

Watch the videos you love and analyze their subtitles, with deep insight into how conversations work based on those subtitles.

Watch English, Chinese, Korean, and Japanese videos and analyze the deeper conversation patterns within them, along with word definitions and sentence-level grammar parsing. Supports word-by-word and step-by-step analysis in English, Chinese, Korean, and Japanese, plus furigana annotations for Japanese books — so reading is no longer stressful.

• Grammar Analysis Tap any sentence to see a clear breakdown of its grammar points, structure, and meaning — every grammar point can be traced back to where it appears.

• Reading Mode Import English, Chinese, Korean, and Japanese books and read them with in-depth word definitions and sentence-level grammar parsing. Japanese books come with furigana readings.

• AI Learning Assistant Ask questions about English, Chinese, Japanese, and Korean grammar, vocabulary, and usage. Get in-depth grammar explanations.

• Vocabulary & Favorites Save the words, grammar points, and sentences you want to remember. Track when you first encountered them.

• Multi-language Support The interface supports English, Japanese, Korean, and Simplified Chinese.

Premium Membership Subscribe to unlock all premium benefits: 500 AI assistant messages per month 120 minutes of realtime voice conversations per month Unlimited video subtitles and Japanese read-aloud Unlimited favorites and follows Unlimited access to Rakuo Ultra/Pro offline models

Free users get full access to all core features with a daily allowance. Subscriptions renew automatically. You can manage or cancel them anytime in your App Store account settings. Terms of Use (EULA): https://rakuo.top/terms Privacy Policy: https://rakuo.top/privacy