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Ring Sizer – Ring Size Meter

Ring Sizer – Ring Size Meter

Ring Sizing Measurement Tool

456 ratings
54 reviews
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🔧 Utilities
🌟 Lifestyle
$0.99 Free
In-App PurchasesWith Ads
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Details

  • Released
  • Updated
  • April 1, 2023
  • May 15, 2026

Features

Developer

AppLiks Sp. z O.O.
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About

Easily measure jewelry ring sizes using your phone's screen. Simply place your ring on the screen and adjust the slider to match its inner edge. The app provides accurate sizing in multiple international measurement systems.

✓Measure ring size by diameter or circumference
✓Support for metric and imperial units
✓Multiple international sizing systems
✓Save measurement results
✓Integrated ruler for other measurements
Show original description

What users say

Summarized from real user reviews of Ring Sizer. Based on 456 reviews and a 4.8/5 average, it highlights the 7 positives and 3 negatives reviewers mention most about this Utilities app.

Positive things

  • 🚀Accurate measurements
  • 👍Intuitive interface
  • 🌍Supports multiple measurement systems
  • 💾Convenient storage of measurements
  • 🌍Worldwide compatibility
  • 🔍Precise ring identification
  • 🛒Helpful for online shopping

Negative things

  • 🐛Inaccurate measurements
  • 💰Deceptive trial/pricing
  • 🔢Limited size range
See all reviews

What's New in Ring Sizer

2.0.7

May 15, 2026

We’ve cleaned things up and made the app a bit smoother, so you can enjoy a better experience every time you use it.

Subscription plans

Weekly Access

Full access to all features

$1.997 Days
How to cancel Ring Sizer subscription ⁉️

Events

Read more about Perfect Ring for Love
Event EndedSpecial Event

Perfect Ring for Love

Find the right Ring Size for your Valentine

Jan 17, 2026 — Feb 15, 2026

Read More

Read more about New 3D & Finger Ring Sizer
Event EndedMajor Update

New 3D & Finger Ring Sizer

Measure ring size with 3D mode or finger scanning!

Mar 16, 2025 — Apr 16, 2025

Read More

Read more about The Ring Size Finder App
Event EndedMajor Update

The Ring Size Finder App

Now You Can Easily Manage Your Ring Size Data

Apr 2, 2024 — May 3, 2024

Read More

See All

User reviews

Most RecentHighest RatedLowest Rated

😡😡

Me cobra casi diario, la elimine el
Mismo día que la descargue y aún así me cobra, no 1 vez al mes, diario me estan cobrando, ladrones
Sol0295Sol0295

Great app

I wanted to surprise my girlfriend with an engagement ring and had no idea how to get her size secretly. I used this app to measure one of her rings, and the one I bought fit perfectly.
David_16.4David_16.4

Response from developer

Thank you for your review. We're really glad the app helped you measure the ring size accurately and even more so that the surprise worked out. If you ever have suggestions to make the app even more helpful, feel free to let us know

Spot on

When I first began using this app, I double-checked the measurements at a jeweler, and they were spot on. It's a simple, brilliant tool that does exactly what it promises with clear instructions.
Wo!lff🙇🏼Wo!lff🙇🏼

Response from developer

Thank you for your review. We're glad to hear the measurements matched the jeweler’s and that the app felt clear and reliable to use. If you ever have ideas for improvements or additional features, we’d be happy to hear them.

It’s good

I wanted to surprise my girlfriend with an engagement ring and had no idea how to get her size secretly. I used this app to measure one of her rings, and the one I bought fit perfectly.
Bel_Ard164Bel_Ard164

Response from developer

Thank you for sharing your experience. We're happy to hear the app helped you find the right size and that your surprise worked out perfectly. If you have any suggestions to make the app even better, feel free to let us know.

Multiple systems

As someone who buys vintage rings from online markets all over the world, the different measurement systems that come with the app are extremely helpful. Say goodbye to those confusing charts or even guessing.
Marck.ke🧐Marck.ke🧐

Response from developer

Thank you for your review. We're glad the multiple sizing systems are making things easier for you, especially when buying vintage rings from different regions. If you ever have ideas for additional features or improvements, we’d love to hear them.

See 49 more reviews

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User experience

🐞

Reported Bugs

2 issues

Incorrect size conversions

Bug

Inconsistent performance

Bug
✨

Requested Features

2 requests

Dark mode option

Feature

Additional measurement methods

Feature

FAQ

What does the Ring Sizer app do?

The Ring Sizer app is a tool designed to help you accurately measure the size of jewelry rings using your smartphone's screen. You place the ring on the screen and use a slider to match its inner edge, allowing the app to determine the size.

How do I measure my ring size with this app?

To measure your ring size, place the ring on the white circle displayed on your phone's screen. Adjust the slider until the circle's edge perfectly aligns with the inner edge of your ring. The app will then display the ring's size.

What measurement systems does the app support?

The app supports a variety of popular international measurement systems, including US/CA, AU/GB, EU/ISO, JP/CN, and RU. It also supports both metric and imperial units for your convenience.

Is this app free to use?

The app is free to download and use, but it does offer in-app purchases. This means some features or an ad-free experience may be available for purchase.

Can I use this app to measure things other than rings?

Yes, the app includes a ruler feature that allows you to measure other jewelry and various items, making it a versatile measurement tool beyond just ring sizing.