About
Easily find your perfect ring size by scanning your hand with a credit card. This tool provides instant, precise measurements for a comfortable fit. It's designed for simplicity and accuracy, guiding you through the process.
What's New in Ring Sizer by Happy Health
2.5.1
January 7, 2026
Various bug fixes and improvements.
Developer apps
FAQ
How does Ring Sizer determine my ring size?
Ring Sizer uses your iPhone's camera to scan your hand with a standard credit card in the frame for scale. This allows the app to calculate your precise ring size instantly.
What devices does Ring Sizer support?
Ring Sizer is currently supported on iPhone devices.
Is Ring Sizer accurate for all ring types?
Ring Sizer is designed to provide accurate sizing for the Happy Ring. For any health-related concerns or medical advice, always consult with a healthcare professional.
What is the age rating for Ring Sizer?
Ring Sizer has an age rating of 17+, indicating it is intended for mature users.
How often is Ring Sizer updated?
The latest version of Ring Sizer is 2.5.1, and it was last updated on January 7, 2026. Updates ensure continued functionality and accuracy.
Can I use Ring Sizer offline?
The provided information does not specify offline functionality. However, scanning and processing typically require an active internet connection.
Does Ring Sizer have ads?
No, Ring Sizer does not contain advertisements, as indicated by the 'hasAds' flag being false.
What do users like about Ring Sizer?
Based on the single rating, users appreciate its ease of use and instant, precise sizing capabilities, contributing to its perfect 5.0-star rating.
