Jumpei Adachi

Latest Release

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  Life-Size Ruler

  Smartphone as a Ruler

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iPad & iPhone

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  Life-Size Ruler

  Smartphone as a Ruler

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  Staff Notebooks

  Handwritten Music Notebooks

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  Plane Notes

  Infinite handwritten notebook

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  Furigana Extension

  Display furigana on webpages

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  Piano Chord Memorization

  Memorize piano chord

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  Soroban Training

  Education

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  Rhythm Learning

  Rhythm Sight-Reading Practice

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Mac

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  Furigana Extension

  Display furigana on webpages

  View