1. Home
  2. Topics
  3. Ring Size Free

Best Ring Size Free Apps

248+ iOS apps curated and reviewed

3.9 avg rating
20 free apps
Updated September 2026

RingDot is the household name in ring size free, but it's far from the only option. We track 248+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top Ring Size Free Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1RingDot - Ring SizerRingDot - Ring SizerFree—NoNoJul 2026
2Ring Sizer ToolRing Sizer ToolFree4.7★ (604)NoYesSep 2026
3Ring Sizer by Jason Withers ©Ring Sizer by Jason Withers ©Free4.5★ (6.7K)YesYesSep 2026
4Ring Sizer - Size Measure AppRing Sizer - Size Measure AppFree4.2★ (2.4K)YesYesSep 2026
5Ring Sizer – Ring Size MeterRing Sizer – Ring Size MeterFree was $0.994.8★ (456)YesYesSep 2026
6Ring Sizer - Measure Ring SizeRing Sizer - Measure Ring SizeFree4.5★ (79)NoYesSep 2026
7Ring Size MeasurerRing Size MeasurerFree—NoNoMay 2026
8Ring Sizer for JapanRing Sizer for JapanFree—YesYesMay 2026

Top Picks for Ring Size Free

Ring Sizer Tool#2

Ring Sizer Tool by Appcano LLC

Ring Size & Finger Measure
Strong Contender
🔧 Utilities
4.7😐(604 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
Ring Sizer by Jason Withers ©#3

Ring Sizer by Jason Withers © by Uniqo Lab.

Worth Considering
🔧 Utilities
4.5😞(6.7K 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

More Ring Size Free apps to explore

FAQ about Ring Size Free

Does RingDot - Ring Sizer have ads or in-app purchases?
RingDot - Ring Sizer has no ads and has no in-app purchases, according to its App Store listing as of September 2026.
We track 248+ ring size free apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
RingDot allows you to place your ring directly on your smartphone screen. You then adjust a digital dot to perfectly match the inner diameter of your ring to determine your size.
RingDot is available for iPhone and iPod devices, ensuring a wide range of users can access its features.