Ring Sizer – Measure Ring Size
Measure finger size accurately
Free · In‑App Purchases · Designed for iPad. Not verified for macOS.
Find your exact ring size in seconds using a simple, accurate, and mobile-friendly ring sizing tool.
Whether you are buying a ring online, planning a surprise proposal, or checking an existing ring size, this app helps you get precise measurements without guesswork, rulers, or store visits.
Why use Ring Sizer
Buying rings online can be difficult when you are unsure about the correct size. Even a small mistake can lead to discomfort, returns, or delays.
Ring Sizer removes that uncertainty by allowing you to measure ring size directly on your phone with clear, guided tools designed for accuracy and simplicity.
Key Features
Instant Ring Size Measurement
Measure ring size in seconds using a guided on-screen tool designed for accuracy and ease of use.
Finger Measurement Mode
Measure your finger directly and get a recommended ring size based on precise calculations.
International Size Support
Convert between major ring size systems including US, UK, EU, Japan, India, and millimeter-based diameter measurements.
Built-in Size Chart
Compare your results with a detailed ring size chart for better understanding and confirmation.
Save Measurements
Store multiple ring sizes for future reference, useful for shopping, gifting, or personal tracking.
Simple Interface
Designed for speed and clarity. Open the app, measure, and get results without unnecessary steps.
Offline Access
Works without internet connection after installation, allowing you to measure anytime.
How it works
Open the app
Place a ring on the screen or select finger measurement mode
Adjust the guide until it matches correctly
Receive your accurate ring size instantly
Save or reuse the result whenever needed
Perfect for
Engagement and wedding ring shopping
Online jewelry purchases
Surprise gifts where size matters
Resizing old or inherited rings
Jewelry professionals and resellers
Personal size tracking for future use
Supported sizing systems
United States
United Kingdom
European Union
Japan
India
Millimeter diameter system
Circumference measurement system
Accuracy and privacy
This app is designed with privacy and simplicity in mind. No account is required. No personal data is collected. All features work offline once installed.
Why this app is different
Traditional ring size charts and printable guides are often inconvenient and inaccurate. Ring Sizer provides a faster and more reliable mobile-first solution.
No printing required
No external tools needed
No guessing or estimation
Direct on-device measurement
Use case example
You find a ring online but are unsure of the size. Instead of guessing or risking a return, you open the app, measure in seconds, and confidently select the correct size.
Conclusion
Ring Sizer is a simple and accurate tool designed to help users measure ring size quickly and confidently. It removes uncertainty from jewelry shopping and ensures better decisions when choosing rings.
Download Ring Sizer to measure your ring size instantly and avoid sizing mistakes.
Subscription Details:
• Title: Savory All Access
• Length: 1 year
• Price: $24.99 per year and $3.99 per weekly (auto-renews)
• Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
• Privacy Policy: https://docs.google.com/document/d/1b2FQZ_HK2I_6ZBJhiaJw_Vii5aKW9D4dYjGfP9C8efU/edit?usp=sharing
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
The developer, Fenuku Kekeli, 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 Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Fenuku Kekeli
- Size
- 22.2 MB
- Category
- Utilities
- Compatibility
Requires iOS 18.6 or later.
- iPhone
Requires iOS 18.6 or later. - iPad
Requires iPadOS 18.6 or later. - Mac
Requires macOS 15.6 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 2.6 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- All Access for Lifetime $24.99
- All Access for a week $3.99
- Copyright
- © 2026 KEKELI