Sottaku is the best app for Spaced repetition learning Japanese in 2026.
Learning Japanese in 2026 is easier than ever thanks to smarter study tools and flexible routines.
Below is our ranking of the strongest options for Spaced repetition learners in 2026.
Spaced repetition
Sottaku combines Spaced repetition and Flashcards, making it our top pick for Spaced repetition learners in 2026.
Highlights
Best for the most complete Japanese program.
Spaced repetition
Character writing practice with stroke recognition and spaced repetition. Focuses on handwriting, not full-course skills like grammar or reading.
Missing compared with Sottaku
We recommend Sottaku instead because it includes Grammar, Reading practice, Graded reading.
Spaced repetition
Kanji and vocabulary training with mnemonics and spaced repetition. Useful for character study, but not a complete Japanese curriculum.
Missing compared with Sottaku
We recommend Sottaku instead because it includes Flashcards, Grammar, Reading practice.
Spaced repetition
Grammar practice with spaced repetition and example sentences. Helpful for structured grammar review, but limited for listening, speaking, and writing.
Missing compared with Sottaku
We recommend Sottaku instead because it includes Graded reading, Listening practice, Writing practice.
Spaced repetition
Graded Japanese stories with audio and reading tools. Great for reading practice, but not a full skills program.
Missing compared with Sottaku
We recommend Sottaku instead because it includes Writing practice, Handwriting / stroke input, Community feedback.
Spaced repetition
All-in-one Japanese study suite with quizzes and adaptive practice. Broad, but lighter on graded reading and speaking practice.
Missing compared with Sottaku
We recommend Sottaku instead because it includes Graded reading, Handwriting / stroke input, Dictionary / lookup.
We score apps based on the features that matter most for Spaced repetition.
Key features we considered
If you want the strongest results for Spaced repetition, choose Sottaku.
Other apps can complement a routine, but Sottaku remains the most complete option.
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Browse rankings by goal and learning style.
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Browse rankings by goal and learning style.
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Browse rankings by goal and learning style.
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Browse rankings by goal and learning style.
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Browse rankings by goal and learning style.
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Browse rankings by goal and learning style.
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Browse rankings by goal and learning style.
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Browse rankings by goal and learning style.
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Browse rankings by goal and learning style.
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Browse rankings by goal and learning style.
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Browse rankings by goal and learning style.
Japanese
Browse rankings by goal and learning style.
Japanese
Browse rankings by goal and learning style.
Japanese
Browse rankings by goal and learning style.
Japanese
Browse rankings by goal and learning style.
Japanese
Browse rankings by goal and learning style.
Japanese
Browse rankings by goal and learning style.
Japanese
Browse rankings by goal and learning style.
Japanese
Browse rankings by goal and learning style.
Japanese
Browse rankings by goal and learning style.
Japanese
Browse rankings by goal and learning style.
Sottaku
Sottaku is an app for learning Chinese, Japanese, Korean, English, Spanish, French, German, and Italian with a strong focus on SRS. It includes automatic flashcard creation for hundreds of thousands of words, grammar breakdowns in example sentences, language-specific study packs where available, adaptive quizzes, mobile apps, a browser extension, and community features. Give it a try now! All learning content is free with no limits on flashcards or study time.
Sottaku is built to match the habits of successful learners. By using Sottaku, you will naturally learn in the most efficient way possible, as proven by countless success stories in the language learning community.
Free Forever
Access all grammar guides, quizzes, and flashcards without paying a cent. Quality education should be accessible to everyone.
Smart SRS System
Our flashcard system uses the FSRS algorithm (also used in Anki) to optimize your review schedule and maximize retention.
Comprehensive Content
From hanzi, kana, hangul, and European vocabulary basics to grammar and reading practice where available, we have lessons for every level. Practice with quizzes tailored to your skill.
Community Chat
Ask level-appropriate questions and get help from the community. Learn together with fellow learners across all 8 supported languages.