Lifesaver!
Needed to find my ring size for an online order and this worked perfectly. So much easier than going to a jewelry store. 5 stars!
Free
In-App PurchasesWith Ads
About
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.
✓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
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What's New in Ring Sizer AI
1.0.3
July 7, 2026
Improved AI ring sizing reliability and scan handling. This update also includes backend security upgrades and stability improvements.
Subscription plans
Pro (Weekly)
Unlock unlimited AI sizer, reports & no ads for 1 week.
$4.997 Days
3 Days trialUser reviews
Developer apps
FAQ
How does Ring Sizer AI ensure accurate measurements?
Ring Sizer AI uses industry-first PPI calibration to ensure 100% millimetric precision. It calibrates your screen with a physical object, matching real-world measurements.
Can Ring Sizer AI measure my finger size if I don't have a ring?
Yes, the AI Smart Scan feature allows you to place your finger next to common objects like a coin, card, or lighter, and the AI will calculate your size instantly.
Does Ring Sizer AI have ads?
Yes, Ring Sizer AI contains advertisements.
What ring size standards does Ring Sizer AI support?
Ring Sizer AI offers free access to over 50 regional standards, including US, UK, EU, JP, CN, HK, and ISO.
Is my data safe with Ring Sizer AI?
Yes, privacy is a priority. Photos are processed in real-time and never stored, ensuring your measurements remain confidential.
What features require a subscription in Ring Sizer AI?
Manual measurement results require a subscription to unlock. Other features like AI Smart Scan and the size converter are available without a subscription.
What devices is Ring Sizer AI available on?
Ring Sizer AI is available on iPhone and iPod devices.
How often is Ring Sizer AI updated?
The latest version, 1.0.2, was released on March 20, 2026, indicating recent updates and ongoing development.
