Ring Size Finder & Measure

Find your exact ring size in seconds — measure a ring you own or your finger, right on screen. No physical sizer needed.

Your exact ring size, right on your screen. No printed sizer, no guesswork.

RingFit turns your iPhone into a precision ring gauge. Calibrate once against a credit card and measure in real millimetres.

• Measure a ring you already own, or your finger directly • Credit-card calibration for true accuracy on any device • Your size in 18 countries — US, UK, EU, Japan, Türkiye and more • Save every size with a label and photo • Built-in size chart and on-screen ruler

Perfect for surprise engagement rings, wedding bands and gifts.

Support: https://app.notion.com/p/Support-This app-39a0cc7ee736801390a3d5f27c79163c Privacy Policy: https://app.notion.com/p/Privacy-Policy-This app-39a0cc7ee73680cd8021d70d6bc67786 Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/