Ready to find your ring size?
Free to download. Works on any iPhone. No tools needed.
Need app support, have a sizing question, or want to share feedback? Email the Ring Sizer team and we'll get back to you as soon as possible.
App Support
For measurement help, app questions, or troubleshooting, contact us directly by email.
Email SupportResponse
Include your device model, iOS version, and a short description of what you need help with so we can answer faster.
Free to download. Works on any iPhone. No tools needed.