Ring Sizer App: Size & Measure

About this app

Find your perfect ring size — accurately, instantly, and from anywhere. Ring Sizer is the easiest way to measure your ring size at home. Whether you're shopping for an engagement ring, wedding band, or a gift for someone special, get the exact size you need in just a few taps. No jeweler visit required. TWO WAYS TO MEASURE Measure Your Finger Place your finger on the screen and adjust the slider until it fits perfectly. The app guides you step by step for a precise reading every time. Match Any Ring Already have a ring? Place it on the screen and drag the circle to match the inner edge. Instantly see the exact size — perfect for surprise proposals or reordering a favorite piece. INSTANT RESULTS IN EVERY STANDARD Get your ring size displayed simultaneously in all major international sizing systems: - US & Canada - UK & Australia - European (EU) - Japanese (JP) - Millimeters, inches, and circumference No more confusing conversion charts. One measurement gives you every size you need, no matter where you shop. SAVE & ORGANIZE YOUR SIZES Keep all your measurements in one place. Save ring sizes with custom labels like "Engagement Ring" or "Wedding Band," and access them anytime. Perfect for couples shopping together, jewelers on the go, or anyone who buys rings regularly. SIZE CONVERSION Need to convert between sizing standards? The built-in converter lets you quickly switch between US, EU, UK, JP, and more — ideal when shopping from international jewelers or traveling abroad. SHARE WITH ANYONE Found your size? Share it directly with your partner, a jeweler, or paste it into any online checkout. No more texting "what's your ring size?" back and forth. DESIGNED FOR ACCURACY Ring Sizer uses your device's actual screen dimensions for precise on-screen measurements. The slider-based interface eliminates guesswork, giving you results you can trust for real purchases. PERFECT FOR - Engagement & wedding ring shopping - Buying rings as gifts or surprises - Online jewelry shopping from any country - Jewelers and jewelry professionals - Couples planning a proposal - Reordering or resizing existing rings FREE & PREMIUM Ring Sizer offers powerful features for every user. Free — always available: Instant size conversion between all major international standards (US, UK, EU, JP, and more) No account required Premium — unlock the full experience: Measure your ring size by placing your finger directly on the screen Match any existing ring using the on-screen circle method Save unlimited ring sizes with custom labels Share your sizes with anyone instantly Three ways to go Premium: Lifetime — One-time purchase, yours forever. Ideal if you just need your size once. Weekly — Short-term access when you only need it briefly. Yearly — Best value for jewelers, couples planning a wedding, or anyone who shops for rings regularly. All plans include full access to every Premium feature. Weekly and Yearly are auto-renewing subscriptions. Payment is charged to your Apple Account at confirmation of purchase. Subscriptions automatically renew unless canceled at least 24 hours before the end of the current period. Manage or turn off auto-renewal anytime in your Apple Account settings. Lifetime is a one-time purchase and does not renew. PRIVATE & SECURE Your measurements stay on your device. No account required, no data collected, no ads tracking your shopping habits. Just a simple, accurate tool that respects your privacy. Download Ring Sizer today and never guess your ring size again. Privacy: https://innowavesolution.com/privacy Terms: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

First impressions matter, so we gave onboarding a makeover. New look, clearer steps, and a setup that gets to know you — so the app feels like yours from the very first screen.

Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.

1. First observed Aug 17, 2026 · 11:01 PM Free