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
- This app hasn’t received enough ratings or reviews to display an overview.
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 Weekly $4.99
- Ring Sizer Pro Lifetime $9.99
- Copyright
- © 2026 Wotaso GmbH