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Best Precise Ring Size Measurement Tool Apps

214+ iOS apps curated and reviewed

4.1 avg rating
19 free apps
Updated May 2026

Looking for free precise ring size measurement tool apps? 19 of our 214+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Top Picks for Precise Ring Size Measurement Tool

Ring Sizer - Size Measure App#1

Ring Sizer - Size Measure App by LightApps OU

Sizing Measurement Tool
Editor's Choice
🔧 Utilities
4.2😞(2.1K ratings)
FreeAdsIn-App Purchases
Ring Sizer - Size Measure App screenshot 1
Ring Sizer - Size Measure App screenshot 2
Ring Sizer - Size Measure App screenshot 3
Ring Sizer - Size Measure App screenshot 4
Ring Sizer - Size Measure App screenshot 5
Ring Sizer - Size Measure App screenshot 6

A convenient ring sizing app that accurately measures your finger for the perfect ring fit. Suitable for both casual users and professionals, with support for different measurement systems and compatibility with various devices including Apple Watch. Download now for precise measurements without the guesswork.

What We Love

  • ⭐️ Accurate measurements
  • 👍 Easy to use
  • 🚀 Convenient ring sizer
  • 🔍 Helpful for online purchases

Room to Improve

  • 🔒 Difficult to cancel subscription
  • 💰 Paid subscription required
  • 🐛 Inconsistent sizing results
Ring Sizer by Jason Withers ©#2

Ring Sizer by Jason Withers © by Uniqo Lab FZC

Strong Contender
🔧 Utilities
4.5😞(4.8K ratings)
FreeAds
Ring Sizer by Jason Withers © screenshot 1
Ring Sizer by Jason Withers © screenshot 2
Ring Sizer by Jason Withers © screenshot 3
Ring Sizer by Jason Withers © screenshot 4
Ring Sizer by Jason Withers © screenshot 5
Ring Sizer by Jason Withers © screenshot 6

Easily find your ring size across different countries with this handy utility. Choose units, measurement type, use visual guides, and share your size on social media. Perfect for hassle-free ring sizing!

What We Love

  • 👍 Easy to use
  • 🚀 Helpful tool
  • 💡 Useful for ring size measurement

Room to Improve

  • 🐛 Inaccurate measurements
  • 💸 Excessive ads
  • 🙄 Poor user experience due to ads
Ring Sizer – Ring Size Meter#3

Ring Sizer – Ring Size Meter by AppLiks Sp. z O.O.

Ring Sizing Measurement Tool
Worth Considering
🔧 Utilities
4.8😊(460 ratings)
FreeAdsIn-App Purchases
Ring Sizer – Ring Size Meter screenshot 1
Ring Sizer – Ring Size Meter screenshot 2
Ring Sizer – Ring Size Meter screenshot 3
Ring Sizer – Ring Size Meter screenshot 4

An easy-to-use ring sizing app that accurately measures ring sizes by comparing them to a white circle on your phone screen. Features include support for various measurement units and systems, saving measurement results, and a ruler for measuring jewelry items. Try it now to easily determine the size of your rings!

What We Love

  • 🚀 Accurate measurements
  • 👍 Intuitive interface
  • 🌍 Supports multiple measurement systems
  • 💾 Convenient storage of measurements

Room to Improve

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

More Precise Ring Size Measurement Tool apps to explore

4
Ring Sizer - Ring Measure app
Ring Sizer - Ring Measure app
Ring Sizer - Ring Measure app
Ring Size & Finger Measure
Free
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5
Ring Sizer: Measuring Tool App
Ring Sizer: Measuring Tool App
Ring Sizer: Measuring Tool App
Measure Your Size: Ruler, Tape
Free

This app helps you easily determine your ring size using a user-friendly measuring tool, ensuring a perfect fit for your ring purchase. Download the app to say goodbye to sizing uncertainties and find your ideal ring size with ease and accuracy.

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Ring Sizer Size Measure - Alps
Ring Sizer Size Measure - Alps
Ring Sizer Size Measure - Alps
Ring & Finger Size Measurement
Free
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7
Ring Sizer: Size & Measure App
Ring Sizer: Size & Measure App
Ring Sizer: Size & Measure App
Ring Size & Finger Measurement
Free
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8
The Ring Sizer | Converter
The Ring Sizer | Converter
The Ring Sizer | Converter
Size matter if shopping online
$1.99

This application helps you accurately measure your finger size and find the perfect ring size, making online ring shopping a breeze. With features like finger measurement, ring size conversion, and a comprehensive guide, you can confidently find the right fit for your precious rings.

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(6)
9
Ring Sizer Tool
Ring Sizer Tool
Ring Sizer Tool
Ring Size & Finger Measure
Free

This application helps you accurately determine your ring size with just a few simple steps, ensuring a perfect fit every time. Say goodbye to guessing and ensure your next ring purchase is just right!

🔧 Utilities
(556)
10
The Ring Size App™ by Hitched
The Ring Size App™ by Hitched
The Ring Size App™ by Hitched
by Radius Technologies
Free

Discover an effortless way to find your ring size with a free and user-friendly app. Say goodbye to traditional sizing methods - download now to get your ring size in minutes!

🌟 Lifestyle
(211)
11
Ring Sizer・Tape Measure・Metrix
Ring Sizer・Tape Measure・Metrix
Ring Sizer・Tape Measure・Metrix
Digital Measuring & AR Ruler
Free

The application allows users to transform their smartphones into a digital measuring tape, offering real-time measurements, imperial and metric unit support, and the ability to save and share measurements. It also features augmented reality (AR) technology to scan rooms and automatically calculate dimensions. Users can try the app and subscribe to a premium version to access its full set of features.

🔧 Utilities
(696)
12
Ring Sizer & Tape Measure App
Ring Sizer & Tape Measure App
Ring Sizer & Tape Measure App
Ring Size - Ruler Inches & mm
Free

This application helps users measure their ring sizes accurately by providing a virtual tool for trying on different ring sizes and styles. Find your perfect fit hassle-free with just a few taps!

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(75)
13
Jostens Ring Sizer
Jostens Ring Sizer
Jostens Ring Sizer
by Radius Technologies
Free

This ring size measuring app accurately determines your ring size in just a few clicks, providing precision down to 1/8 sizes for any finger and easy conversion to international sizing. Download the app to get your accurate ring size now.

🛍️ Shopping
(8)
14
Ring Sizer - Measure Ring Size
Ring Sizer - Measure Ring Size
Ring Sizer - Measure Ring Size
Accurate Ring Sizer Finger App
Free

This ring sizing app helps you accurately measure your ring size using your iPhone's camera, providing precise measurements and supporting various units and international standards. Download the app to easily determine your ring size, save it for future reference, and share it with others, making it perfect for personal use or for jewelers and retailers.

🔧 Utilities
(54)
15
Measuring Tape, Photo Ruler
Measuring Tape, Photo Ruler
Measuring Tape, Photo Ruler
Meter: measure length, height
Free

A powerful AR tape measure tool that uses augmented reality technology to measure real-world objects with your smartphone's camera. Features include measuring linear sizes, distances, angles, area, volume, and height accurately. Try our Premium subscription for ad-free experience and unlimited projects. [Call-to-action: Experience precise measurements with AR technology today!]

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(2.6K)
16
Ring Sizer - Ring Size Measure
Ring Sizer - Ring Size Measure
Ring Sizer - Ring Size Measure
Ring Sizing Finger Measurement
Free

Get a perfect fit every time with our ring sizer app, offering accurate measurements in metric and imperial units, with visual guides and support for global sizing standards. Download now and find your ideal ring size with ease.

🔧 Utilities
(162)
17
Ring Sizer.
Ring Sizer.
Ring Sizer.
Get Your Ring Size Instantly
Free

Discover your perfect ring size instantly with an intuitive app utilizing your smartphone's camera for accurate measurements. Say goodbye to resizing hassles and always choose the right size for your rings. Unlock premium features for a seamless experience. Privacy Policy:first link, Terms of Use:second link.

🔧 Utilities
(78)
18
Ring Sizer – Size Measurement
Ring Sizer – Size Measurement
Ring Sizer – Size Measurement
Sizing Tool & Measuring App
Free

A convenient sizing tool for determining the perfect ring size. Simply follow the instructions to accurately measure your finger size before making a purchase.

🔧 Utilities
(30)
19
Mėasuring Tape
Mėasuring Tape
Mėasuring Tape
Pocket Measuring Tool
Free

Turn your phone into a versatile toolkit with a comprehensive set of measuring instruments, allowing you to measure length, height, area, and create floor plans with ease. This handy application offers a range of tools, including a smart ruler, height measurement, area calculator, floor plan creator, screen ruler, and level tool, making it perfect for everyday tasks, home projects, and professional use.

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(29)
20
Ring Sizer - Size Finder App
Ring Sizer - Size Finder App
Ring Sizer - Size Finder App
by Bohdan Yurtsiv
Free

This innovative app simplifies finding the perfect ring size with accurate measurements, popular size standards, and a user-friendly measuring-by-tap feature, along with visual guides for precision. Download now to access premium features, including precise measurements and various measurement systems, with a subscription-based model.

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(6)

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