Comparison

Ring Sizer & Finger Measure 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 & Finger Measure

Accurately measure ring sizes using your iPhone. This app provides jeweler-level precision by calibrating to your device, offering two measurement methods and instant conversion between six international standards. Save multiple sizes and access a complete conversion table for confident online jewelry shopping.

Highlights
  • Device-calibrated accuracy
  • Measure existing rings or finger directly
  • Convert between 6 international size standards
  • Save multiple ring sizes
  • Complete international conversion table
  • Fine-tune controls with incremental adjustments
  • Offline functionality
Features
Read full description

Find your perfect ring size in seconds with the most accurate ring measurement app for engagement rings, wedding bands, and online jewelry shopping. Designed to eliminate guesswork when buying engagement rings, wedding bands, or jewelry gifts, this app turns your iPhone into a professional ring sizing tool with device-specific calibration for millimeter-perfect accuracy. The ideal solution for surprise proposals, gift shopping, and online jewelry purchases. Whether you measure an existing ring, size your finger directly, or convert between international standards, every measurement is reliable and confident. — KEY FEATURES — • Device-Calibrated Accuracy: Detects your exact iPhone model and applies the correct PPI (pixels per inch) for true-to-life measurements. From 326 PPI on iPhone SE to 460 PPI on iPhone 15 Pro Max, when a 17mm circle is shown, it really measures 17mm on screen. Jeweler-level precision in your pocket. • Two Measurement Methods: Place an existing ring on your screen and match the inner diameter to the on-screen circle, or measure your finger directly using the visual hand guide with precision crosshairs. Perfect for secret proposal planning or when you have no ring to reference. • 6 International Size Standards: Instantly converts between US/Canada (3-13), UK/Australia (F-Z), EU/ISO (44-70), Japan/China (4-30), millimeters (14.0-22.3mm), and inches (0.55-0.88 in). Shop confidently on Etsy, Amazon, Blue Nile, Brilliant Earth, or any global jewelry marketplace. • Save Multiple Ring Sizes: Build a personal collection organized by hand (left/right) and finger (thumb, index, middle, ring, pinky). Add custom titles per entry. Perfect for family gift sizes, jewelry professional client records, or shopping for multiple ring styles. • Complete Conversion Table: A reference guide showing all 27 ring sizes across every international standard in one scrollable table. Compare standards instantly and verify measurements before purchase. • Fine-Tune Controls: Plus/minus adjustment buttons allow 0.3mm incremental changes for exact sizing. Animated ring circle and tick marks ensure confident measurements. Works completely offline — measure anytime, anywhere. — PERFECT FOR EVERY SITUATION — • Surprise Proposals: Measure your partner's existing ring while they sleep, or discreetly size one of their rings when they are away. Silent measurement with no screenshots or notifications keeps the surprise safe. • Gift Shopping: Buying rings for birthdays, anniversaries, Christmas, or Valentine's Day becomes stress-free. Save sizes for every family member and friend. Never guess sizes when shopping online or in store. • Jewelry Professionals: Jewelers, ring designers, and store staff use this app for quick consultations, custom order sizing, and client education. Save unlimited client measurements with custom labels. • Online Jewelry Shoppers: Shop international jewelry websites without sizing anxiety. The conversion system handles every global standard. Preview your exact ring size visually on screen before purchasing. Prevent expensive returns. — PREMIUM — Unlock unlimited potential with Premium. Save unlimited measurements for every finger and every person. Enjoy an ad-free measuring experience. Access priority customer support. Get first access to future measurement tools. — LEGAL — Terms of Use: https://leanstudio.asia/terms-of-use Privacy Policy: https://leanstudio.asia/privacy-policy — SUPPORT — Questions, feedback, or feature requests? Contact support@leanstudio.asia. We value your suggestions to keep improving the app. — GET STARTED — Combine device-calibrated accuracy, dual measurement methods, and international size conversion in one simple app. No more guessing ring sizes or costly jewelry mistakes — just measure, convert, and shop with confidence. Download today and turn your iPhone into a professional ring sizing tool. Perfect for engagement ring shopping, wedding bands, and jewelry gifts.

About

Ring Sizer

Features
Read full description

Ring Sizer: Ring Size helps you measure your finger and find the right ring size quickly and accurately. Whether you are shopping online, planning a surprise engagement gift, or checking a fit before ordering, Ring Sizer: Ring Size makes it simple to compare sizes and choose with confidence. With Ring Sizer: Ring Size, you can match a ring on screen, check diameter and circumference measurements, and understand sizing across different standards. It works for gold bands, silver rings, and any style you are considering. How Ring Sizer: Ring Size Works Place a ring on screen and align it to find the size Compare diameter and circumference measurements Review results across common sizing standards Ring Sizer: Ring Size is useful for engagement shopping, wedding band selection, birthday gifts, and everyday jewelry purchases. Whether you are buying for yourself or surprising someone special, Ring Sizer: Ring Size provides the quick reference you need. Keep Ring Sizer: Ring Size ready whenever you need a convenient sizing reference before making a purchase. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://klikklakstudio.com/privacy-policy/

Screenshots

Ring Sizer & Finger Measure4 screens
Ring Sizer4 screens

Verdict

The call

The clearest difference is device support: Ring Sizer at 3 against Ring Sizer & Finger Measure's 1. On price, update cadence, ads and in-app purchases 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 & Finger Measure sells 5 in-app purchases, starting at $4.99 per 7 days and Ring Sizer sells 2 in-app purchases, starting at $7.99 per 7 days. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Ring Sizer & Finger Measure ships an update every 3 weeks, Ring Sizer fortnightly. The most recent releases landed on September 21, 2026 and September 16, 2026 respectively.

Scorecard1 real difference · 8 level
Ring Sizer & Finger Measure versus Ring Sizer: the parameters behind the verdict, then further details
ParameterRing Sizer & Finger MeasureRing Sizer
PriceFreeFree
Rating1.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 3 weeksFortnightly — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS16.015.1 — better
Further details — not scored
Size16 MB38 MB
Age rating4+4+
DeveloperLEAN ASIA CO., LTDUtku Gogen

In-app purchases

5 purchases

Ring Sizer & Finger Measure

Subscriptions4
  • Weekly$4.997 Days
  • Premium Monthly$19.991 Month
  • Premium Yearly$24.991 Year
Show 1 more
  • Premium Yearly3 Days trial$24.991 Year
One-time1
  • Lifetime3 variants$49.99
2 purchases

Ring Sizer

Subscriptions2
  • Ring Sizer Weekly$7.997 Days
  • Ring Sizer Yearly$24.991 Year

Questions

Is Ring Sizer & Finger Measure free?
Ring Sizer & Finger Measure is free to download, with in-app purchases available.
Is Ring Sizer free?
Ring Sizer is free to download, with in-app purchases available.
Do Ring Sizer & Finger Measure or Ring Sizer have ads?
Neither Ring Sizer & Finger Measure nor Ring Sizer shows ads.
Which is updated more often, Ring Sizer & Finger Measure or Ring Sizer?
Ring Sizer & Finger Measure ships an update every 3 weeks, and Ring Sizer fortnightly. Most recently, Ring Sizer & Finger Measure was updated on September 21, 2026 and Ring Sizer on September 16, 2026.

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