Ring Sizer: Accurate & Fast
Finger Measure for Jewelry
Only for iPhone
Free · In‑App Purchases
iPhone
Find your ring size in under a minute. Place a ring on your screen, follow the guide, and get a precise measurement in US, UK, and EU sizes.
The simplest way to find your ring size - no paper, no string, no jeweler required.
Place your ring on the screen, adjust the circle, and get your exact size in seconds. One tool, every size standard, zero subscriptions.
WORKS TWO WAYS
- Place an existing ring on screen to match the size instantly
- Measure your finger directly using the on-screen guide
EVERY SIZE STANDARD INCLUDED
- US / Canada
- UK / Australia
- Europe / ISO
- Japan / China
- Millimeters & inches
BUILT FOR THE MOMENT
- Engagement ring shopping
- Wedding band ordering
- Jewelry gifts - measure while they sleep
- Online ring purchases with no size guide
WHY RING SIZER
- No subscription - $4.99 once, yours forever
- Save your measurements for every finger
- Lightweight - under 5MB
- Clean, accurate, no bloat
HOW IT WORKS
1. Place your ring on the circle on screen
2. Drag the slider until the circle matches your ring
3. Read your size in any international standard
4. Save it - never measure again
Whether you're buying an engagement ring or ordering jewelry online, get the size right the first time.
No subscriptions. No nonsense. $4.99.
https://www.apple.com/legal/internet-services/itunes/dev/stdfla/
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
- performance improvement
- Onboarding Experience
The developer, Cloud Motion Lab LLC, 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:
- Identifiers
- Usage Data
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Cloud Motion Lab LLC
- Size
- 24.6 MB
- Category
- Utilities
- Compatibility
Requires iOS 17.0 or later.
- iPhone
Requires iOS 17.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Contains
Advertising
- In-App Purchases
Yes
- RingSizerPremium $4.99
- Lifetime Pro - Special Offer $9.99
- Lifetime $14.99
- Copyright
- © 2026 Cloud Motion Lab LLC