SizeSync Japan

Japan Size Converter: Clothes

Only for iPhone

Free · In‑App Purchases · Designed for iPhone. Not verified for macOS.

iPhone

Shop in Japan with confidence! Instantly convert US, UK, and EU clothing & shoe sizes to Japanese standards. Perfect for tourists—find your fit in seconds! Shop in Japan with confidence! No more guessing your Japanese size. Are you planning a shopping trip to Japan? Don't let confusing size labels hold you back. SizeSync Japan is your essential travel companion that instantly converts international sizes (US, UK, EU) to Japanese standards. Whether you're looking for high-end fashion in Ginza or trendy streetwear in Shibuya, we’ve got you covered. Key Features: ・Instant Conversion: Convert US, UK, and EU sizes to Japanese sizes in a flash. ・For the Whole Family: Supports Men, Women, and Kids. ・Clothing & Shoes: Complete charts for both apparel and footwear. ・Clean & Simple UI: Designed for quick use while you're busy shopping in-store. ・Offline Ready: Works without an internet connection—perfect for tourists. Supported Categories: ・Mens/Womens: Tops, Bottoms, Dresses, Suits, and Shoes. ・Kids/Baby: Age-based and height-based conversions for the little ones. Don’t miss out on that perfect outfit or pair of shoes just because of a size label. Download SizeSync Japan today and make your shopping experience in Japan stress-free!

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The developer, ATSUSHI TANABE, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Used to Track You

    The following data may be used to track you across apps and websites owned by other companies:

    • Identifiers
    • Usage Data
    • Diagnostics

  • Data Linked to You

    The following data may be collected and linked to your identity:

    • Identifiers
    • Usage Data
    • Diagnostics

Privacy practices may vary, for example, based on the features you use or your age. Learn More

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Information

Seller
ATSUSHI TANABE
Size
5.4 MB
Category
Shopping
Compatibility
Requires iOS 26.2 or later.
  • iPhone
    Requires iOS 26.2 or later.
  • Mac
    Requires macOS 26.2 or later and a Mac with Apple M1 chip or later.
  • Apple Vision
    Requires visionOS 26.2 or later.
Languages
English
Age Rating
4+
In-App Purchases
Yes
Copyright
© 2026 ATSUSHI TANABE
  • Developer Website
  • Privacy Policy

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