This app uses AI to analyze Japanese text and create personalized flashcards for vocabulary and grammar. It features spaced repetition, native audio, and progress tracking for intermediate to advanced learners.
6.70
August 23, 2026
• iCloud sync keeps learning progress, review history, and key settings in sync across your Apple devices. • Tsugi now runs on Mac Catalyst. • Detailed JLPT stats show words seen immediately, with a darker ring for words mastered after three successful reviews.
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Tsugi employs an AI-powered n+1 sentence mining approach, identifying single unknown words within complex native Japanese sentences. It then uses a super-charged SRS algorithm to optimize vocabulary acquisition based on your personal forgetting curve.
Tsugi offers comprehensive progress analytics, allowing you to visualize your vocabulary growth, card retention curves, and daily study streaks with deep statistical insights. This helps you monitor your journey toward true literacy.
Tsugi offers Premium Weekly ($0.49/P7D), Premium Monthly ($0.99/P1M with a 7-day free trial), and Premium Annual ($4.99/P1Y) subscription plans. These unlock advanced features for enhanced learning.
No, Tsugi does not contain advertisements. The app is free to use with optional in-app purchases for premium subscription plans.
Tsugi is available on iPhone and iPad, making it accessible for users on Apple's mobile and tablet platforms.
The latest version of Tsugi is 6.30, last updated on July 16, 2026. This indicates a commitment to ongoing development and improvements.
Tsugi has an age rating of 4+, making it suitable for a wide range of users interested in learning Japanese.
The description mentions instant text analysis and local tokenization powered by privacy-first local processing, suggesting that core functionalities may be available offline. However, specific offline capabilities are not explicitly detailed.
