Keyideas Ring Sizer vs Ring Sizer
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Oct 30, 2026 for Keyideas Ring Sizer, Nov 8, 2026 for Ring Sizer.
The short answer
- Only Ring Sizer lists a free plan.
Head to head
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
Free
- · International scales (EU, UK, US, IT)
- · Size chart
Starter
- · 30 measurements
- · Custom image on start screen
- · In-stock information
- · Ring-specific size adjustments
- · Usage analytics
Pro
- · 300 measurements
- · Custom branding (font option + colors)
- · Custom logo
Scale
- · 1200 measurement
- · Advanced Support
- · Email my size
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureGet started with this ring sizer app and help shoppers measure ring size online in seconds with an accurate sizing experience. Display an actual ring size chart on screen, support US, UK, CA, AU, EU, JP, IT, FR and more global standards, and guide buyers with confidence before checkout.
RingSizer helps your customers find their ideal ring size. Sizing uncertainty is one of the main reasons for cart abandonment and returns for jewelry merchants. Our app adds a “Find My Size” button to product detail pages, allowing your customers to easily measure their fingers or an existing ring directly from their phone. Co-developed with jewelers, we use machine learning for size prediction.
- Instant sizing guidance for engagement rings and wedding bands
- Supports US, UK, EU, and international ring size standards
- Customizable widget that matches your store branding
- Accurate ring size recommendations for confident purchases
- Measure anywhere: Guided measurement of finger or rings using a phone
- Reliable: Built and calibrated to work across different body types
- Plug-and-play: Easily integrate RingSizer into your store design
- International: Built-in conversion and size charts for common scales








All the numbers
Every figure, side by side
A green dot marks the app ahead on a measured figure. Estimates, gaps and apps that leave no storefront trace never take the lead.
Adoption
| Measure | Keyideas Ring Sizer | Ring Sizer |
|---|---|---|
| Detected stores | Not published | 4 |
| Net store change, 28 days | 0 | 0 |
| Stores added, 28 days | Not enough data | Not enough data |
| Big-brand share | Not enough data | Not enough data |
| Top store categories | Not published | Apparel & Accessories |
| Top store countries | Not published | Denmark |
Reviews
| Measure | Keyideas Ring Sizer | Ring Sizer |
|---|---|---|
| App Store rating | Not published | 5.0 ★ |
| App Store reviews | Not published | 9 |
| New reviews, 28 days | Not enough data | Not enough data |
| Reviewers a year or more in | Not enough data | Not enough data |
Pricing
| Measure | Keyideas Ring Sizer | Ring Sizer |
|---|---|---|
| Free plan | Not listed | Yes |
| Lowest paid monthly plan | No monthly plan listed | $9/month |
| Longest free trial | Not listed | 15 days |
| Plans listed | Not published | 4 |
Listing
| Measure | Keyideas Ring Sizer | Ring Sizer |
|---|---|---|
| Shopify category rank | #109 | #58 |
| Shopify App Charts | Not on this week’s charts | #7 in Product display - Other |
| Built for Shopify | No | No |
| Launched | Jun 22, 2026 | Apr 21, 2025 |
| Languages | 6 | 1 |
| Developer | Keyideas Infotech Private Limited | R11N Ventures GmbH |
FAQ
Keyideas Ring Sizer and Ring Sizer: common questions
- Is Keyideas Ring Sizer or Ring Sizer cheaper?
- Only Ring Sizer lists a free plan. Shoplist compares base prices only between monthly plans in the same currency; usage charges and annual plans vary, so check each plan’s limits.
- Where does this comparison’s data come from?
- Shoplist crawls Shopify storefronts to detect which apps each store runs, and reads each app’s Shopify App Store listing for reviews, pricing, features and integrations. Store counts are as of Oct 30, 2026 for Keyideas Ring Sizer, Nov 8, 2026 for Ring Sizer; estimated figures are labeled.
How Shoplist compares apps
Store counts come from Shoplist’s crawl of Shopify storefronts, which detects the apps each store runs; they are as of Oct 30, 2026 for Keyideas Ring Sizer, Nov 8, 2026 for Ring Sizer. Reviews, ratings, plans, features and integrations come from each app’s Shopify App Store listing. 28-day figures are labeled when estimated, and a figure that is missing or estimated never decides who leads. Read the methodology.






