Scolio NFC vs Ring Sizer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Scolio NFC
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The Scolio NFC app allows you to view the Scoliologic sensor wear log on your smartphone screen without logging in. Just hold your smartphone up to the sensor and press the "Start reading" button. Log in with your account to control the sensors of your group's users and view their usage statistics. The app does not provide any recommendations. Explanations of the brand and publisher Scoliologic is a patient-oriented medical brand and the brand of a group of clinics, presented to users in the app and in the App Store list. This application is published in the App Store by Philosoft LLC. Philosoft LLC is a software development company within the Scoliologic group of companies and is responsible for the design, development, maintenance and distribution of applications for the Scoliologic brand in the App Store. Philosoft LLC owns the intellectual property rights to the software implementation of this application and is the authorized publisher of this product in the App Store.
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.
- 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
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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
Verdict
The clearest difference is in-app purchases: Scolio NFC at none against Ring Sizer's 5. Scolio NFC also leads on update cadence (every 2 days vs fortnightly) and iOS requirement (16.0 vs 18.0). On price, ads 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
Both are free to download. Ring Sizer sells 5 in-app purchases, starting at $5.99 per 7 days. Scolio NFC asks for nothing beyond the download.
Scolio NFC ships an update every 2 days, Ring Sizer fortnightly. The most recent releases landed on October 31, 2026 and November 6, 2026 respectively.
| Parameter | Scolio NFC | Ring Sizer |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.2 (6 ratings) — better |
| Number of ratings | — | 6 — better |
| Update frequency | Every 2 days — better | Fortnightly |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone | iPhone |
| Requires iOS | 16.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 4 MB | 52 MB |
| Age rating | 12+ | 4+ |
| Developer | PhilosoftAI LLC | Desidari Holding Ltd. |
In-app purchases
Scolio NFC
No in-app purchases
Ring Sizer
- Ring Sizer Pro - Weekly7 Days trial$5.997 Days
- Ring Sizer Weekly3 Days trial$7.997 Days
- Ring Sizer Monthly$19.991 Month
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- Ring Sizer Annual$24.991 Year
- Ring Sizer Yearly$49.991 Year
Questions
Is Scolio NFC free?
Is Ring Sizer free?
Do Scolio NFC or Ring Sizer have ads?
Which is updated more often, Scolio NFC or Ring Sizer?
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