Screen Ring Sizer
Utilities
Free · Designed for iPad. Not verified for macOS.
Ring Sizer: Find Your Perfect Fit
Never guess your ring size again. Ring Sizer turns your phone into a simple, accurate sizing tool — no trip to the jeweler required.
Two ways to measure:
Measure your finger directly using your phone screen
Already have a ring you love? Lay it on the screen and size it in seconds
Why Ring Sizer:
Completely free, no in-app purchases, no subscriptions
- 100% private, everything happens on your device, nothing is ever uploaded or stored in the cloud
- No account or sign-up required
- Instant results in US, UK, and EU sizing standards
- Simple, clean interface anyone can use
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
Updated instructions and user interface to provide more guidance on how to use the app!
The developer, Luc Rieffel, 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 Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Luc Rieffel
- Size
- 791.6 KB
- Category
- Utilities
- Compatibility
Requires iOS 26.5 or later.
- iPhone
Requires iOS 26.5 or later. - iPad
Requires iPadOS 26.5 or later. - Mac
Requires macOS 26.5 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 26.5 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Copyright
- © 2026 Luc Rieffel