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Best Ring Size Chart Apps

240+ iOS apps curated and reviewed

3.9 avg rating
19 free apps
Updated October 2026

Ring Sizer is the household name in ring size chart, but it's far from the only option. We track 240+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top Ring Size Chart Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Ring Sizer - Size Measure AppRing Sizer - Size Measure AppFree4.2★ (2.4K)YesYesOct 2026
2Ring Sizer by Jason Withers ©Ring Sizer by Jason Withers ©Free4.5★ (6.9K)YesYesOct 2026
3Ring Sizer: Ring Size MeasureRing Sizer: Ring Size MeasureFree5.0★ (1)YesYesJun 2026
4Ring Sizer – Ring Size MeterRing Sizer – Ring Size MeterFree4.8★ (464)YesYesOct 2026
5RingSizer – Ring Size ToolRingSizer – Ring Size ToolFree—YesYesSep 2026
6Ring Sizer : Finger SizeRing Sizer : Finger SizeFree—YesYesOct 2026
7Ring Sizer & Finger MeasureRing Sizer & Finger MeasureFree1.0★ (1)NoYesOct 2026
8SizeSnap: Ring Sizer & ShoesSizeSnap: Ring Sizer & ShoesFree was $1.99—NoNoOct 2026

Top Picks for Ring Size Chart

Ring Sizer - Size Measure App#1

Ring Sizer - Size Measure App by LightApps OU

Sizing Measurement Tool
Editor's Choice
🔧 Utilities
4.2😞(2.4K 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

This application helps you accurately measure ring and finger sizes without the need for physical tools. It offers a user-friendly interface and supports various measurement systems for precise results, making online jewelry shopping easier.

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
  • 🤯 Confusing/misleading free trial
  • 🚫 Doesn't work as advertised
Ring Sizer by Jason Withers ©#2

Ring Sizer by Jason Withers © by Uniqo Lab.

Strong Contender
🔧 Utilities
4.5😞(6.9K ratings)
FreeAdsIn-App Purchases
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 determine your ring size across multiple countries using metric or imperial units. Features visual guides and supports various international sizing standards. Share your size and explore a jewelry catalog.

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
  • 🤯 Completely unusable due to ads
Ring Sizer: Ring Size Measure#3

Ring Sizer: Ring Size Measure by VAN LY PHUC

Ring & Finger Size Measurement
Worth Considering
🌟 Lifestyle
5.0(1 ratings)
FreeAdsIn-App Purchases
Ring Sizer: Ring Size Measure screenshot 1
Ring Sizer: Ring Size Measure screenshot 2
Ring Sizer: Ring Size Measure screenshot 3
Ring Sizer: Ring Size Measure screenshot 4
Ring Sizer: Ring Size Measure screenshot 5

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.

More Ring Size Chart apps to explore

FAQ about Ring Size Chart

What are the best ring size chart apps for iPhone?
Ring Sizer - Size Measure App tops our ring size chart apps ranking as of October 2026, with a 4.2-star average from 2.4K App Store ratings, and it's free to download.
Yes — 19 of the top ring size chart apps we rank are free to download, including Ring Sizer - Size Measure App and Ring Sizer by Jason Withers ©.
Ring Sizer - Size Measure App shows ads and offers in-app purchases, according to its App Store listing as of October 2026.
We track 240+ ring size chart apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.