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 determine your perfect ring size from home using your phone's screen or camera. Get accurate measurements in seconds and convert between international sizing standards.

Highlights
  • Measure finger size on screen
  • Measure existing ring size on screen
  • Accurate camera measurement
  • International ring size conversion
  • Works offline
  • Easy to use interface
Features
Read full description

Ring Sizer is the ultimate ring size measure app that helps you find your perfect ring size in seconds. Whether you're shopping for an engagement ring, wedding band, or a surprise gift, this ring sizer app gives you accurate results without ever leaving your home. ------------------------------------------------------------------------- THREE WAYS TO MEASURE YOUR RING SIZE • Finger on Screen — Place your finger directly on the screen and adjust the outline to match its width. Our finger sizer technology calculates your exact finger size using your device's calibrated display. No ring needed — just your finger. • Ring on Screen — Already have a ring? Place it on the screen and match the circle to its inner edge. This ring measurement method gives you precise results by measuring the ring diameter directly. • Camera Measure — The most accurate method. Use credit card calibration and your device's camera to measure your finger size with lab-level precision. Our ring size calculator accounts for your device's unique pixel density for the most reliable ring measurement possible. ------------------------------------------------------------------------- RING SIZE CONVERTER Not sure how ring sizes translate across different countries? Our built-in ring size finder and converter instantly shows your size in US, EU, UK, and Japanese standards. Simply enter one measurement and get every size format — including diameter and circumference in millimeters. The perfect ring size checker for international shoppers. ------------------------------------------------------------------------- WHY RING SIZER? • Accurate Results — Our ring size measure technology is designed for precision. Whether you use the finger measure tool, ring measure method, or camera measurement, you get reliable results every time. • Easy to Use — No complicated setup. No external tools needed. Open the app, pick your method, and measure ring size in under 30 seconds. • Works Offline — Measure your finger size or ring size anywhere, anytime. No internet connection required. • All Size Standards — Instantly convert between US, EU, UK, and JP ring sizes. Our ring size app supports every major international sizing system. ------------------------------------------------------------------------- WHO IS THIS APP FOR? Ring Sizer is perfect for anyone who needs to find or check a ring size: → Couples shopping for engagement or wedding rings online → Gift buyers who need to secretly measure a ring size → Jewelry lovers who want to measure finger size before ordering → Jewelers and professionals who need a quick ring size checker tool → Anyone who wants to measure ring size at home without a ring sizer tool kit ------------------------------------------------------------------------- HOW IT WORKS 1. Open Ring Sizer and choose your preferred measurement method 2. Follow the simple on-screen instructions to measure your finger or ring 3. Get your ring size instantly in multiple formats — US, EU, UK, JP 4. Use our ring size calculator to convert between any sizing standard Finding your ring size has never been easier. Download Ring Sizer today — the #1 ring sizer size measure app — and get your perfect fit in seconds. ------------------------------------------------------------------------- SUPPORTED MEASUREMENTS Ring Sizer supports ring size measurement in US/Canada, EU/ISO, UK/Australia, and Japan/China standards. Measure by finger size, ring diameter, or circumference. Our ring size finder works with all iPhone models and screen sizes. Ring Sizer (RingSizer) — The ring measure app trusted by thousands. Accurate ring size measurement, right in your pocket. Subscriptions: Weekly Plan - $3,99 (3 days free trial) Annual Plan - $29,99 (3 days free trial) https://gunaydinappstudio.com/ring-sizer/privacy https://gunaydinappstudio.com/ring-sizer/terms

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 5.0 against Ring Sizer's 4.2. Ring Sizer's advantage is update cadence (fortnightly vs every 3 months) and ratings volume (6 vs 2). On price, ads, in-app purchases and monetization model 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 2 in-app purchases, starting at $3.99 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, 5.0 against 4.2. Both are backed by a comparable volume of ratings — 2 and 6 respectively.

UpkeepUpdate frequency

Ring Sizer ships an update every 3 months, Ring Sizer fortnightly. The most recent releases landed on November 5, 2026 and November 6, 2026 respectively.

Scorecard3 real differences · 6 level
Ring Sizer versus Ring Sizer: the parameters behind the verdict, then further details
ParameterRing SizerRing Sizer
PriceFreeFree
Rating5.0 (2 ratings) — better4.2 (6 ratings)
Number of ratings26 — better
Update frequencyEvery 3 monthsFortnightly — better
AdsNoNo
In-app purchasesYesYes
MonetizationFreemiumFree with in-app purchases
DevicesiPhoneiPhone
Requires iOS18.018.0
Further details — not scored
Size14 MB52 MB
Age rating4+4+
DeveloperGUNAYDIN APP STUDIODesidari Holding Ltd.

Customer experience

Ring Sizer

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Ring Sizer

All ratings6 ratings
Positive83.3%
Neutral0.0%
Negative16.7%

In-app purchases

2 purchases

Ring Sizer

Subscriptions2
  • premium3 Days trial$3.997 Days
  • premium3 Days trial$29.991 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 5.0 out of 5 from 2 ratings, while Ring Sizer averages 4.2 from 6 ratings.
Do Ring Sizer or Ring Sizer have ads?
Neither Ring Sizer nor Ring Sizer shows ads.
Which is updated more often, Ring Sizer or Ring Sizer?
Ring Sizer ships an update every 3 months, and Ring Sizer fortnightly. Most recently, Ring Sizer was updated on November 5, 2026 and Ring Sizer on November 6, 2026.

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