Comparison

Ring Sizer vs Ring Sizer

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Ring Sizer

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.

Highlights
  • 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
Features
Read full description

Ring Sizer is an easy-to-use app for measuring the size of jewelry rings. To determine the size of the ring, place it on the white circle on the phone screen and match the edge of the circle with the inner edge of your ring using the slider. The app will show the size of the ring in different measurement systems. Key features: • ring size determination by measuring its diameter or circumference; • support of metric/imperial measurement units; • support of popular measurement systems (US/CA, AU/GB, EU/ISO, JP/CN, RU); • save measurement results; • a ruler for measuring jewelry and other items. Privacy Policy: https://appliks.com/privacy-policy ​​Terms of Use: https://appliks.com/terms-of-use

About

Ring Sizer

Measure your finger or an existing ring accurately on your iPhone. Get your ring size in multiple international systems, including diameter and circumference. No printing or extra tools needed.

Highlights
  • Measure existing rings on screen
  • Measure finger without a ring
  • US, UK, EU, and JP sizing
  • View diameter and circumference
  • No printing or extra tools required
  • Quick and simple measurement
Features
Read full description

Find your ring size right on your iPhone. Measure an existing ring on screen or measure your finger without a ring, then get your diameter, circumference, and ring size in US, UK, EU, and JP sizing systems. No printing, paper size charts, account, or extra tools required. Whether you're buying a ring, choosing a gift, or helping a customer find the right size, you can get the measurements you need in seconds. IDEAL FOR • Finding your ring size before buying jewelry online • Measuring an existing ring that already fits • Measuring your finger when you don't have a ring • Choosing a ring size for a gift, engagement, or wedding • Helping customers compare ring sizes across different sizing systems KEY FEATURES ◆ MEASURE AN EXISTING RING Place a ring on your iPhone screen and adjust the on-screen guide to match its inner edge. Get its diameter, circumference, and corresponding ring size. ◆ NO RING? MEASURE YOUR FINGER Don't have a ring to measure? Use the finger measurement flow to find your size without an existing ring or a printed size chart. ◆ US, UK, EU & JP RING SIZES See your result in US, UK, EU, and JP sizing systems, making it easier to shop from jewelers and stores that use different size standards. ◆ DIAMETER & CIRCUMFERENCE Get more than a ring size. View the measured diameter and circumference to help compare sizes and check jewelry measurements. ◆ NO PRINTING OR EXTRA TOOLS Measure with your iPhone without printing a ring sizer or using a ruler, measuring tape, or other equipment. ◆ QUICK & SIMPLE Open the app, choose how you want to measure, and get your result in seconds. No account or lengthy setup required. FREQUENTLY ASKED QUESTIONS How can I find my ring size with my iPhone? You can measure an existing ring directly on your iPhone screen or use the finger measurement flow if you don't have a ring. Can I measure a ring I already own? Yes. Place a ring that fits you on the screen and adjust the guide to its inner edge to determine its measurements and size. How can I find my ring size without a ring? Use the finger measurement flow. It lets you estimate your ring size without an existing ring or a printed ring sizer. Which ring size systems are supported? The app shows ring sizes in US, UK, EU, and JP systems, along with diameter and circumference. Can I use it when buying a ring as a gift? Yes. If you have access to a ring that fits the person, you can measure it on your iPhone and use the result when comparing ring sizes. Is this useful for jewelers and jewelry sellers? Yes. Jewelers and sellers can use it as a quick way to measure rings and compare sizes across US, UK, EU, and JP sizing systems. SUBSCRIPTION INFORMATION Payment will be charged to your iTunes Account at confirmation of purchase. Your subscription automatically renews unless auto-renewal is turned off at least 24 hours before the end of the current period. The renewal cost depends on the selected subscription plan. Your account will be charged for renewal within 24 hours before the end of the current period. You can manage or cancel your subscription in your App Store account settings after purchase. Any unused portion of a free trial period, if offered, will be forfeited when you purchase a subscription. Support Address: support@getringsize.app Privacy Policy: https://getringsize.app/pp Terms of Use: https://getringsize.app/tou

Screenshots

Ring Sizer4 screens
Ring Sizer4 screens

Verdict

The call

The clearest difference is rating: Ring Sizer at 4.8 against Ring Sizer's 3.7. Ring Sizer also leads on ratings volume (463 vs 3) and iOS requirement (16.6 vs 18.0). Ring Sizer's advantage is ads (none vs shown) and update cadence (every 3 weeks vs every 3 months). On price, in-app purchases, monetization model and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Ring Sizer sells 5 in-app purchases, starting at $1.99 per 7 days and Ring Sizer sells 4 in-app purchases, starting at $7.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Ring Sizer holds the better App Store score, 4.8 against 3.7. That said, the two scores are not equally well evidenced: Ring Sizer has 463 ratings behind it against 3, so its average is the more settled of the two.

UpkeepUpdate frequency

Ring Sizer ships an update every 3 months, Ring Sizer every 3 weeks. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

Scorecard5 real differences · 5 level
Ring Sizer versus Ring Sizer: the parameters behind the verdict, then further details
ParameterRing SizerRing Sizer
PriceFreeFree
Rating4.8 (463 ratings) — better3.7 (3 ratings)
Positive reviews77.8% of reviews—
Number of ratings463 — better3
Update frequencyEvery 3 monthsEvery 3 weeks — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad — betteriPhone
Requires iOS16.6 — better18.0
Further details — not scored
Size92 MB52 MB
Age rating4+4+
DeveloperAppLiks Sp. z O.O.Desidari Holding Ltd.

Customer experience

Ring Sizer

All ratings456 ratings
Positive95.6%
Neutral1.1%
Negative3.3%
Written reviews54 reviews
Positive77.8%
Neutral0.0%
Negative22.2%

Ring Sizer

All ratings3 ratings
Positive66.7%
Neutral0.0%
Negative33.3%

Bugs and requests

Ring Sizer

Reported bugs

2 issues
  • Incorrect size conversions
  • Inconsistent performance

Requested features

2 requests
  • Dark mode option
  • Additional measurement methods

Ring Sizer

Not enough reviews yet to summarise bugs or requests.

In-app purchases

5 purchases

Ring Sizer

Subscriptions5
  • Weekly Access$1.997 Days
  • Weekly Access$2.997 Days
  • Weekly Access with Trial3 Days trial$2.997 Days
Show 2 more
  • Yearly Access$3.991 Year
  • Yearly Access$9.991 Year
4 purchases

Ring Sizer

Subscriptions4
  • Ring Sizer Weekly3 Days trial$7.997 Days
  • Ring Sizer Monthly$19.991 Month
  • Ring Sizer Annual$24.991 Year
Show 1 more
  • Ring Sizer Yearly$49.991 Year

Questions

Is Ring Sizer free?
Ring Sizer is free to download, with in-app purchases available.
Is Ring Sizer free?
Ring Sizer is free to download, with in-app purchases available.
Which has better reviews, Ring Sizer or Ring Sizer?
Ring Sizer is rated higher. Ring Sizer averages 4.8 out of 5 from 463 ratings, while Ring Sizer averages 3.7 from 3 ratings.
Do Ring Sizer or Ring Sizer have ads?
Ring Sizer shows ads; Ring Sizer does not.
Which is updated more often, Ring Sizer or Ring Sizer?
Ring Sizer ships an update every 3 months, and Ring Sizer every 3 weeks. Most recently, Ring Sizer was updated on November 3, 2026 and Ring Sizer on October 31, 2026.

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