Ring Sizer: Ring Size Measure
Ring & Finger Size Measurement
About
Easily measure your ring size or your finger's circumference using your iPhone. Get accurate results in seconds with 2D and 3D measurement options. Supports global size standards for convenient shopping.
What's New in Ring Sizer
1.1.3
June 20, 2026
- Fix bugs
Subscription plans
Monthly Premium
Access All Premium Features for a month
In-App Purchases
$3.99
Weekly Premium
Full access to all features for a week
Developer apps
FAQ
How accurate is Ring Sizer?
Ring Sizer offers highly accurate measurements using your phone's camera in both 2D and 3D modes. Users can place an existing ring or their finger on the screen for precise readings.
Does Ring Sizer support international ring sizes?
Yes, Ring Sizer includes a worldwide size converter supporting all common standards such as USA, UK, France, Germany, Japan, and more, ensuring you can find the right fit globally.
Can Ring Sizer measure my finger directly if I don't have a ring?
Absolutely. Ring Sizer allows you to measure your finger directly using guided instructions, so you know your exact size even without an existing ring.
What are the subscription options for Ring Sizer?
Ring Sizer offers various subscription plans including Weekly Premium ($1.99/P7D), Monthly Premium ($2.99/P1M), and Yearly Premium ($19.99/P1Y). A 3-day free trial is available for the Weekly Trial option.
How do I cancel my Ring Sizer subscription?
Subscription payments are charged to your App Store account. You can cancel auto-renewal by turning it off or by canceling at least 24 hours before the end of the current subscription or trial period.
Is Ring Sizer suitable for all ages?
Ring Sizer has an age rating of 4+, making it suitable for a wide range of users. The app's simple interface is easy for most individuals to use.
Does Ring Sizer have ads?
Yes, Ring Sizer contains advertisements. Users can opt for premium subscription plans to remove ads and access additional features.
On which devices can I use Ring Sizer?
Ring Sizer is compatible with iPhones and iPods. It utilizes the device's camera for its measurement functionalities.