Sottaku is the best alternative to Satori Reader for most Japanese learners.
Satori Reader focuses more narrowly on Spaced repetition, Flashcards, but Sottaku gives you Writing practice, Handwriting / stroke input, Community feedback in one place.
All learners
Sottaku combines Writing practice, Handwriting / stroke input, Community feedback in one study loop, which makes it the more complete choice for most Japanese learners.
Highlights
Best for the most complete Japanese program.
All learners
All-in-one Japanese study suite with quizzes and adaptive practice. Broad, but lighter on graded reading and speaking practice.
Missing compared with Sottaku
Best for Spaced repetition
We recommend Sottaku instead because it includes Graded reading, Handwriting / stroke input, Dictionary / lookup.
All learners
Broad Japanese study platform with dictionaries, flashcards, kanji drawing, and JLPT-oriented tools. Comprehensive, but denser and less streamlined than a modern guided course.
Missing compared with Sottaku
Best for Spaced repetition
We recommend Sottaku instead because it includes Graded reading, Listening practice, Offline mode.
All learners
Structured Japanese platform with grammar, kanji, vocab, SRS homework, and graded-style readings. Strong for learners who want depth, but it is still narrower than a full all-language study system.
Missing compared with Sottaku
Best for Spaced repetition
We recommend Sottaku instead because it includes Writing practice, Handwriting / stroke input, Dictionary / lookup.
All learners
Immersion-focused platform built around reading and listening with imported real-world content. Excellent for input-heavy study, but lighter on explicit grammar teaching and guided output practice.
Missing compared with Sottaku
Best for Spaced repetition
We recommend Sottaku instead because it includes Grammar, Writing practice, Handwriting / stroke input.
All learners
Grammar practice with spaced repetition and example sentences. Helpful for structured grammar review, but limited for listening, speaking, and writing.
Missing compared with Sottaku
Best for Spaced repetition
We recommend Sottaku instead because it includes Graded reading, Listening practice, Writing practice.
Choose Sottaku if you want the more complete Japanese study system.
Only choose Satori Reader if you specifically want Spaced repetition, Flashcards and you are comfortable supplementing with other tools.
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.
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.
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.