Comparison

Ring Sizer AI vs Ring Size Measure

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

Head to head
About

Ring Sizer AI

Accurately measure your ring size using your phone's camera. Features AI-powered scanning, a professional ruler, and a comprehensive size converter. Save measurements and get personalized style recommendations.

Highlights
  • AI Smart Scan for finger size
  • PPI calibrated screen measurement
  • Professional liquid glass ruler
  • 50+ regional size standards converter
  • Digital jewelry box for saved sizes
  • AI stylist for ring recommendations
Features
Read full description

Stop guessing. Get the perfect fit with Ring Sizer AI, the most accurate measurement tool on the App Store. Why we are No.1? Unlike other apps, we provide Industry-First PPI Calibration. By calibrating your screen with a physical object, we ensure 100% millimetric precision that matches the real world. Key Features: AI Smart Scan: No ring? No problem. Place your finger next to any common object (coin, card, or lighter) and let Gemini AI calculate your size instantly. Professional Ruler: Use our Liquid Glass ruler for rings you already own. Calibrated background grids provide absolute confidence. Master Converter: Completely FREE access to 50+ regional standards (US, UK, EU, JP, CN, HK, and ISO). Digital Jewelry Box: Save measurements for your loved ones in elegant Bento-style profiles. AI Stylist: Receive professional ring style recommendations based on your unique finger shape. Precision Guaranteed: 100% Calibrated Accuracy. Privacy First: Photos are processed in real-time and never stored. Trusted by 100,000+ users. Note: Manual measurement results require a subscription to unlock. Terms: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy: https://legal.rkvpxdr.com/privacy.html

About

Ring Size Measure

Features
Read full description

Find your exact ring size in seconds using a simple, accurate, and mobile-friendly ring sizing tool. Whether you are buying a ring online, planning a surprise proposal, or checking an existing ring size, this app helps you get precise measurements without guesswork, rulers, or store visits. Why use Ring Sizer Buying rings online can be difficult when you are unsure about the correct size. Even a small mistake can lead to discomfort, returns, or delays. Ring Sizer removes that uncertainty by allowing you to measure ring size directly on your phone with clear, guided tools designed for accuracy and simplicity. Key Features Instant Ring Size Measurement Measure ring size in seconds using a guided on-screen tool designed for accuracy and ease of use. Finger Measurement Mode Measure your finger directly and get a recommended ring size based on precise calculations. International Size Support Convert between major ring size systems including US, UK, EU, Japan, India, and millimeter-based diameter measurements. Built-in Size Chart Compare your results with a detailed ring size chart for better understanding and confirmation. Save Measurements Store multiple ring sizes for future reference, useful for shopping, gifting, or personal tracking. Simple Interface Designed for speed and clarity. Open the app, measure, and get results without unnecessary steps. Offline Access Works without internet connection after installation, allowing you to measure anytime. How it works Open the app Place a ring on the screen or select finger measurement mode Adjust the guide until it matches correctly Receive your accurate ring size instantly Save or reuse the result whenever needed Perfect for Engagement and wedding ring shopping Online jewelry purchases Surprise gifts where size matters Resizing old or inherited rings Jewelry professionals and resellers Personal size tracking for future use Supported sizing systems United States United Kingdom European Union Japan India Millimeter diameter system Circumference measurement system Accuracy and privacy This app is designed with privacy and simplicity in mind. No account is required. No personal data is collected. All features work offline once installed. Why this app is different Traditional ring size charts and printable guides are often inconvenient and inaccurate. Ring Sizer provides a faster and more reliable mobile-first solution. No printing required No external tools needed No guessing or estimation Direct on-device measurement Use case example You find a ring online but are unsure of the size. Instead of guessing or risking a return, you open the app, measure in seconds, and confidently select the correct size. Conclusion Ring Sizer is a simple and accurate tool designed to help users measure ring size quickly and confidently. It removes uncertainty from jewelry shopping and ensures better decisions when choosing rings. Download Ring Sizer to measure your ring size instantly and avoid sizing mistakes. Subscription Details: • Title: Savory All Access • Length: 1 year • Price: $24.99 per year and $3.99 per weekly (auto-renews) • Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ • Privacy Policy: https://docs.google.com/document/d/1b2FQZ_HK2I_6ZBJhiaJw_Vii5aKW9D4dYjGfP9C8efU/edit?usp=sharing

Screenshots

Ring Sizer AI4 screens
Ring Size Measure4 screens

Verdict

The call

The clearest difference is ads: Ring Size Measure at none against Ring Sizer AI's shown. Ring Sizer AI's advantage is iOS requirement (15.0 vs 18.6). On price, update cadence, in-app purchases 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 AI sells 2 in-app purchases, starting at $4.99 per 7 days and Ring Size Measure sells 2 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Ring Sizer AI ships an update every 5 weeks, Ring Size Measure every 3 weeks. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

Scorecard2 real differences · 8 level
Ring Sizer AI versus Ring Size Measure: the parameters behind the verdict, then further details
ParameterRing Sizer AIRing Size Measure
PriceFreeFree
Rating5.0 (3 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings3 — better—
Update frequencyEvery 5 weeksEvery 3 weeks — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPodiPhone, iPad
Requires iOS15.0 — better18.6
Further details — not scored
Size42 MB20 MB
Age rating4+4+
DeveloperTianjin Illuso Information Technology Co., Ltd.Fenuku Kekeli

In-app purchases

2 purchases

Ring Sizer AI

Subscriptions2
  • Pro (Weekly)3 Days trial$4.997 Days
  • Pro (Annually)$29.991 Year
2 purchases

Ring Size Measure

Subscriptions1
  • All Access for a week$3.997 Days
One-time1
  • All Access for Lifetime$24.99

Questions

Is Ring Sizer AI free?
Ring Sizer AI is free to download, with in-app purchases available.
Is Ring Size Measure free?
Ring Size Measure is free to download, with in-app purchases available.
Do Ring Sizer AI or Ring Size Measure have ads?
Ring Sizer AI shows ads; Ring Size Measure does not.
Which is updated more often, Ring Sizer AI or Ring Size Measure?
Ring Sizer AI ships an update every 5 weeks, and Ring Size Measure every 3 weeks. Most recently, Ring Sizer AI was updated on October 24, 2026 and Ring Size Measure on October 28, 2026.

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