Quickly and easily find the perfect ring size with this ring and finger sizing app—offering the same precision as your jeweler, from the comfort of your home.
Whether you're a professional jeweler, a frequent shopper, or purchasing your first ring, "Ring Sizer: Risi" ensures the perfect fit for every special occasion—engagements, weddings, birthdays, holidays, or surprises! Measure fingers or rings with ease, whether it's for yourself, a friend, a family member, or anyone special, and convert sizes across international standards. "Ring Sizer: Risi" is the go-to tool for anyone buying a ring online, eliminating the fear of choosing the wrong size.
• Get the exact size of any ring: Measure the diameter or circumference in either metric (millimeters) or imperial (US inches) units, for yourself or someone else.
• Accurately measure finger size: Easily measure finger width, perfect for when you don't have a ring on hand.
• International size conversions: Seamlessly switch between popular global sizing systems (US/CA/MX, UK/AU/NZ, EU/ISO, JP/CN, and more) while maintaining accuracy.
• Save measurements: Keep ring and finger sizes saved for future reference and easy access.
• Share measurements: Share size info with jewelers or friends via text, email, or social media.
No more guessing! With "Ring Sizer: Risi", shop confidently and experience the joy of buying or giving a perfectly sized ring that will be cherished forever. Make special moments unforgettable with a ring that fits just right.
To unlock all features and functionality, you can make a one-time in-app purchase for lifetime access (no subscription). This purchase will be charged to your Apple account at the time of confirmation.
Privacy Policy: https://ringfitter.alpennec.com/privacy
Terms and Conditions: https://www.apple.com/legal/internet-services/itunes/dev/stdeula
Very accurate and saves time trying to figure out where that soft tape measure is. Totally recommend. Simple so that's worth keeping as part of your things inn your pocket or purse. Excellent job! I have a few other apps on long this longer if you're interested. Would love to collaborate if possible. Thanks again!GREAT DEVELOPER!
Developer Response
Thank you so much for the fantastic review! 🤩 I’m really glad to hear that Ring Sizer has saved you time and earned a spot among your everyday essentials. Keeping it simple and accurate has been a top goal, so it means a lot to know that’s working for you. Feel free to reach out with any ideas or suggestions! - Axel
Convenient and Easy to Use….
Pv1366
But accuracy will never be the same as a proper measurement. If you want a ring to be a surprise then secretly borrowing one of your loved one’s ring or using this app are the two best options. The app is super simple to use and makes measuring your ring size really convenient. I’m not entirely sure how accurate it is, but it’s definitely a helpful tool if you want an estimate without having to visit a jeweler. Overall, a great option to try!
Developer Response
Thanks for your thoughtful review! 😊 I’m glad you found the app convenient and easy to use—especially for those surprise ring moments! 💍 While a jeweler’s measurement is always the most precise, the app is designed to give a reliable estimate to help along the way. If you ever have any suggestions or need assistance, feel free to reach out! ✨ - Axel
Great app if you are in the jewelry business
Peleas22
Makes dealing with conversions from the standard US ring sizes to all international standards a breeze. I use this on a daily basis for my company, which is a jewelry B2B.
Developer Response
Thank you for your wonderful review! I'm so glad to hear that my app is making international ring size conversions easy for you, especially in your jewelry business! It’s great to know it’s a useful tool for your daily work. If you ever have any suggestions or need additional features, I’d love to hear from you. - Axel
Great apps
Zed from power rangers
This the app that works for me. Works perfectly for my device and love to do whole family ring size
Developer Response
Thank you so much for your kind words! 😊 We're glad the app works perfectly for you and your family. Helping you find the right ring size effortlessly is exactly what we aimed for! - Axel
Enjoying "Ring Sizer: Risi"? Please take a moment to rate the app and write a review on the App Store! This helps us a lot.
In this update:
• Various improvements
• General performance enhancements and bug fixes
As always, don't hesitate to reach out by email with feedback, issues, and suggestions.
Thanks!
Version 2026.4
The developer, Axel Le Pennec, 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 Linked to You
The following data may be collected but it is not linked to your identity:
Purchases
Location
Identifiers
Usage Data
Privacy practices may vary, for example, based on the features you use or your age. Learn More
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
