Best Ring Size Apps

245+ iOS apps curated and reviewed

4.2 avg rating
20 free apps
Updated November 2026

Every iPhone needs a few good ring size apps. We benchmark 245+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.

Compare top Ring Size Apps (November 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Ring Sizer by Jason Withers ©Ring Sizer by Jason Withers ©Free4.4★ (7K)YesYesNov 2026
2Ring Sizer ToolRing Sizer ToolFree4.7★ (618)NoYesNov 2026
3Ring Size MeasurerRing Size MeasurerFree—NoNoMay 2026
4Ring Sizer - Size Measure AppRing Sizer - Size Measure AppFree4.2★ (2.4K)YesYesNov 2026
5Ring Sizer – Ring Size MeterRing Sizer – Ring Size MeterFree4.8★ (463)YesYesNov 2026
6RingDot - Ring SizerRingDot - Ring SizerFree4.1★ (18)NoNoOct 2026
7Ring Sizer: Measure Ring SizeRing Sizer: Measure Ring SizeFree4.5★ (11)NoNoNov 2026
8Ring Sizer - Ring Measure appRing Sizer - Ring Measure appFree4.7★ (88)YesYesNov 2026

Top Picks for Ring Size

4.4😞(7K 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 Tool#2

Ring Sizer Tool by Appcano LLC

Ring Size & Finger Measure
Strong Contender
🔧 Utilities
4.7😐(618 ratings)
FreeIn-App Purchases
Ring Sizer Tool screenshot 1
Ring Sizer Tool screenshot 2
Ring Sizer Tool screenshot 3

Accurately measure your finger size or compare existing rings to find the perfect fit. This tool simplifies ring sizing for confident online purchases and jewelry selection.

What We Love

  • 👍 Easy to use
  • ✅ Accurate sizing
  • 💰 Free to use
  • 📱 Works with newer iPhones
  • 💡 Better than paper methods
  • 🚀 Quick measurements
  • ✨ No ads
  • 🎉 Helps with difficult measurements

Room to Improve

  • ❌ Inaccurate finger sizing
  • ❌ Wildly wrong estimates
  • ❌ Doesn't work for some users

More Ring Size apps to explore

FAQ about Ring Size

What are the best ring size apps for iPhone?
Ring Sizer by Jason Withers © tops our ring size apps ranking as of November 2026, with a 4.4-star average from 7K App Store ratings, and it's free to download.
Yes — 20 of the top ring size apps we rank are free to download, including Ring Sizer by Jason Withers © and Ring Sizer Tool.
Ring Sizer by Jason Withers © shows ads and offers in-app purchases, according to its App Store listing as of November 2026.
We track 245+ ring size apps on the iOS App Store as of November 2026, ranked by rating, recency, and analysis of real user reviews.

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