Ring Sizer: Finger Measure
Size App, Fit, Calculator
Only for iPhone
Free · In‑App Purchases · Designed for iPhone. Not verified for macOS.
iPhone
- Find your ring size from a finger or an existing ring
- Supports multiple international size systems (EU, US, UK and more)
- Quick and simple to use
- Helps reduce ordering the wrong ring size
- Measurement results are recommendations. Please verify final size before purchase
Subscription required: A paid auto-renewable subscription is required to access all features.
Terms of Use (EULA): https://ringsizer.wotaso.com/terms?locale=en-us
Ratings & Reviews
Improved UX
The developer, Wotaso GmbH, 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
- Identifiers
- Usage Data
- Diagnostics
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Wotaso GmbH
- Size
- 58.5 MB
- Category
- Utilities
- Compatibility
Requires iOS 15.1 or later.
- iPhone
Requires iOS 15.1 or later. - iPod touch
Requires iOS 15.1 or later. - Mac
Requires macOS 12.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- Ring Sizer Pro Lifetime $19.99
- Ring Sizer Pro Weekly $9.99
- Copyright
- © 2026 Wotaso GmbH