RingSizer

Say goodbye to sizing uncertainty

RingSizer makes it easy for your customers to find their ideal ring size — no guesswork, no returns. Just higher conversion and a smoother shopping experience.

Trusted by great brands

Freya DalsjøGeorgia KemballRäthel & Wolf

Let customers measure straight from their phone.

Ring measurement

Customers can use a ring they already own for a highly accurate size match.

Finger measurement

We combine a quick sizing quiz with a physical measurement — tested on hundreds of fingers for extra accuracy.

Step-by-step video tutorial

Built-in guidance walks customers through the process with ease.

Easy card calibration

Get started with a standard card (like a credit card) for accurate scaling.

AI-enhanced predictions

Machine learning helps predict the most accurate size possible.

Designed to fit your brand

International sizing

Built-in conversion and size charts across major global ring size systems.

Custom branding

Easily customize the look and feel to match your brand’s visual identity.

Size matching

Measurements are matched to your closest in-stock sizes.

Launch in minutes.

Ready for Shopify

Instant integration for Shopify stores. Using another platform? get in touch.

No developer needed

Our step-by-step onboarding makes setup quick and easy.

Seamless design integration

Add a sizing button to your product pages that blends right in.

For every size, at any stage.

Pricing

Free

When starting out

$0
/ month

Includes

  • International size charts

  • Sizing help

  • Shopify integration

Select plan

Starter

For solo designers

$8
$9
/ month

Everything in Free, plus

  • 30 Measurements

  • In-stock information

  • Inspirational image

  • Analytics

  • Shareable Link

Select plan
Recommended

Pro

For up and coming

$24
$29
/ month

Everything in Starter, plus

  • 300 Measurements

  • Theme customization

  • Custom logo

Select plan

Scale

For medium brands

$82
$99
/ month

Everything in Pro, plus

  • 1,200 Measurements

  • Advanced support

Select plan

Compare what's included

Free
$0 / month
Starter
$8 / month
Pro
$24 / month
Scale
$82 / month
Features
0303001,200

What our customers have to say

Best ring sizer app out there. Really easy to use and helps our customers to find their size.
Sari Räthel, RÄTHEL & WOLF
RingSizer just works. Our customers love how easy it is and we've seen fewer returns since adding it.
Freya Dalsjø, Freya Dalsjø
Our customers love how intuitive RingSizer is. It’s made online ring shopping feel effortless.
Georgia Kemball
I never knew my ring size and always guessed wrong. This tool was so easy to use and actually got it right!
Nathalie F., Berlin
An amazing job with developing this app, it's exactly what we needed to solve the ring sizes issue for our jewelry store. Must try!
Marea Jewellery, Shopify Review

FAQs

Get the best-in-class sizing solution for jewelry stores.

Start for free

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