Ring Sizer AI: Size Finder

No.1 PPI Calibrated Ring Sizer

Only for iPhone

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

iPhone

Market No.1 precise measurement. Get your ring size in seconds with AI and unique PPI calibration. Stop guessing. Get the perfect fit with Ring Sizer AI, the most accurate measurement tool on the App Store. Why we are No.1? Unlike other apps, we provide Industry-First PPI Calibration. By calibrating your screen with a physical object, we ensure 100% millimetric precision that matches the real world. Key Features: AI Smart Scan: No ring? No problem. Place your finger next to any common object (coin, card, or lighter) and let Gemini AI calculate your size instantly. Professional Ruler: Use our Liquid Glass ruler for rings you already own. Calibrated background grids provide absolute confidence. Master Converter: Completely FREE access to 50+ regional standards (US, UK, EU, JP, CN, HK, and ISO). Digital Jewelry Box: Save measurements for your loved ones in elegant Bento-style profiles. AI Stylist: Receive professional ring style recommendations based on your unique finger shape. Precision Guaranteed: 100% Calibrated Accuracy. Privacy First: Photos are processed in real-time and never stored. Trusted by 100,000+ users. Note: Manual measurement results require a subscription to unlock. Terms: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy: https://legal.rkvpxdr.com/privacy.html

Ratings & Reviews

  • 5.0
    out of 5
    2 Ratings

Bug fixes and performance improvements to make your experience even better.

Version 1.0.2

The developer, 嵩 张, 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

  • Data Linked to You

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

    • Identifiers
    • Usage Data

  • Data Not Linked to You

    The following data may be collected but it is not linked to your identity:

    • User Content
    • Body

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

Accessibility

The developer has not yet indicated which accessibility features this app supports. Learn More

Information

Seller
  • 嵩 张
Size
  • 38.4 MB
Category
  • Utilities
Compatibility
Requires iOS 14.0 or later.
  • iPhone
    Requires iOS 14.0 or later.
  • iPod touch
    Requires iOS 14.0 or later.
  • Mac
    Requires macOS 11.0 or later and a Mac with Apple M1 chip or later.
  • Apple Vision
    Requires visionOS 1.0 or later.
Languages
English and 7 more
  • English, French, German, Japanese, Korean, Portuguese, Simplified Chinese, Spanish
Age Rating
4+
In-App Purchases
Yes
Copyright
  • © 2026 Song Zhang
  • Developer Website
  • Privacy Policy

    • More by 嵩 张

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