This utility helps you understand screen and image resolutions. Calculate megapixels from dimensions or find dimensions from megapixels. It also includes a DPI calculator for screens.
5.0(2 ratings)
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Best apps like Ultrahuman Ring Sizer
10+ similar apps compared and reviewed
4.0 avg rating
9 free apps
Updated July 2026
Whether you want more options like Ultrahuman Ring Sizer or a completely different take on the same concept, our curated list of 10+ similar apps has you covered. Updated for 2026 with the latest ratings and comparisons.
Top Alternatives to Ultrahuman Ring Sizer
Ring Sizer by Jason Withers © by Uniqo Lab.
Strong Contender
🔧 Utilities
4.5😞(4.8K ratings)
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Easily determine your ring size across multiple countries using metric or imperial units. Features visual guides and supports various international sizing standards. Share your size and explore a jewelry catalog.
What We Love
- 👍 Easy to use
- 🚀 Helpful tool
- 💡 Useful for ring size measurement
Room to Improve
- 🐛 Inaccurate measurements
- 💸 Excessive ads
- 🙄 Poor user experience due to ads
Ring Sizer: AR Ruler & Table by Tolganai Askarova
Jewelry Size Tape MeasureWorth Considering
🔧 Utilities
4.5(32 ratings)
FreeIn-App Purchases
Accurately determine your ring size using your phone's camera and screen. Offers four easy methods, including AR measurement and on-screen guides. Includes a comprehensive size chart for multiple regional standards.
More apps like Ultrahuman Ring Sizer
4
SetRing - Ring Sizer
The Ultimate Ring Sizer App.
Free
Easily measure your ring size accurately from home using your phone. Supports multiple international sizing standards and offers helpful tips for jewelry care. Perfect for online shopping or buying gifts.
Accurate and instant ring size measurementEasy-to-use interfaceMultiple international sizing standards
🔧 Utilities
(4)
ad-supported5
Ring Sizer: Risi
Measure, find size and convert
Free
Accurately measure ring and finger sizes from home, ensuring a perfect fit for any occasion. Convert sizes internationally and save measurements for future use. Ideal for online ring purchases, eliminating guesswork.
Measure ring diameter/circumferenceMeasure finger widthInternational size conversions
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(36)
free with in-app purchases6
Ring Sizer Pro
Jewellery ring size finder
$1.99
Easily determine your jewelry ring size with this accurate tool. It offers multiple measurement units, visual guides, and supports numerous international sizing systems. Share your findings effortlessly.
Metric and imperial unitsDiameter or circumference measurementVisual guides for precision
🔧 Utilities
(1)
paid7
Ring sizer : Unit Convertor
Size Rings and convert Units
Free
Easily determine your accurate ring size and convert between international sizing standards. This tool helps you find the perfect fit for any ring, avoiding the frustration of ill-fitting jewelry. Save your sizes and compare them effortlessly.
Accurate ring and finger size measurementConvert between international ring size standards (US, UK, EU)Simple and easy-to-use interface
🔧 Utilities
(14)
ad-supported8
Ring Sizer – Ring Size Meter
Ring Sizing Measurement Tool
Free
$0.99 | 100% OFF
Easily measure jewelry ring sizes using your phone's screen. Simply place your ring on the screen and adjust the slider to match its inner edge. The app provides accurate sizing in multiple international measurement systems.
Measure ring size by diameter or circumferenceSupport for metric and imperial unitsMultiple international sizing systems
🔧 Utilities
(460)
free with in-app purchases9
Super Ruler
Super Smart Ruler
Free
🔧 Utilities
(0)
10
Ring Sizer & Tape Measure App
Ring Size - Ruler Inches & mm
Free
Easily determine your ring size using your phone's screen. Simply place a ring on the designated area and adjust the slider to match its inner edges. The app then displays your ring size in various international formats.
Measure ring size on screenAdjustable slider for precise fitMultiple international size formats (US, AU/GB, EU/ISO, JP/CN)
🔧 Utilities
(75)
free with in-app purchases