Help customers find their perfect size with smart size charts and personalized fit recommendations.
- Stores using it
- — Not detected yet
- Rating
- —
- Price
- $9 / mo Free plan available
- Launched
- May 2026 United Kingdom
Screenshots
About RMS Size Helper
Help customers find their perfect size with smart size charts and personalized fit recommendations.
Reduce returns and enable customer confidence with RMS Size Helper. Create custom size charts for tops and bottoms. Our research-driven, smart "Find My Size" survey guides shoppers to their perfect fit using their measurements, body shape, and fit preferences. Easy to setup, RMS Size Helper requires no coding and works with any Shopify theme. With detailed analytics, monitor all products that the size chart and size helper was checked for.
- Smart "Find My Size" survey guides customers to their perfect fit.
- Create custom size templates for tops and bottoms with international sizes.
- Choose between "Size Chart + Size Helper" or "Size Chart Only" size guides.
- Assign size templates to individual/multiple products and groups.
- Track size guide opens, recommendations made, and conversion rates.
Features
- Color and font
- Mobile responsive
- Product page
- Size charts
- Table layout
- Templates
- Unit conversion
RMS Size Helper pricing
Free plan available · Free trial · From $9 / month. Prices in USD; check the App Store for the latest.
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Free
Free
- Up to 3 size charts
- 1 with Size Helper
- 50 recommendations/month
- 30-day analytics
- Default button styling
- RMS branding shown
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Growth
$9 / month
86 billed yearly (save 20%)
- Up to 15 size charts
- 10 with Size Helper
- 500 recommendations/month
- 90-day analytics
- Per-product analytics
- Custom button colours
- No RMS branding
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Professional
$19 / month
182 billed yearly (save 20%)
- Up to 50 size charts
- 35 with Size Helper
- Unlimited recommendations
- 1-year analytics
- Per-product analytics
- Custom button colours
- Priority support
- No RMS branding
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Enterprise
$49 / month
470 billed yearly (save 20%)
- Unlimited size charts
- Unlimited Size Helpers
- Unlimited recommendations
- Unlimited analytics retention
- Per-product analytics
- Custom button colours
- Priority support
- No RMS branding
Shopify stores using RMS Size Helper
We haven't detected RMS Size Helper on a live Shopify store yet. We recognise the apps that leave a trace in a store's code; some apps run only in the admin or the checkout.
Detect apps on any storeFAQ
RMS Size Helper: FAQ
Help customers find their perfect size with smart size charts and personalized fit recommendations.
RMS Size Helper has a free plan; paid plans start at $9 a month.
We haven't detected RMS Size Helper on a live Shopify store yet. Scan any store on ShopScan to see the apps it runs.
RMS Size Helper is built by RMS, based in United Kingdom, and launched in May 2026.