RMS Size Helper

by RMS
Free plan available. Free trial available.

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by RMS
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on
Free plan available. Free trial available.

Help customers find their perfect size with smart size charts and personalized fit recommendations to reduce returns.

Install from Shopify App Store

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About the RMS Size Helper

RMS Size Helper reduces returns and builds customer confidence with smart size charts and personalized fit recommendations. The app features a research-driven "Find My Size" survey that guides shoppers to their perfect fit using measurements, body shape, and fit preferences. Create custom size templates for tops and bottoms with international sizes. Choose between "Size Chart + Size Helper" or "Size Chart Only" options for your products. Assign size templates to individual products, multiple items, or product groups with ease. No coding required - works seamlessly with any Shopify theme and takes minutes to set up. Track performance with detailed analytics including size guide opens, recommendations made, and conversion rates for all products where customers checked the size chart and size helper.

Launched: May 8, 2026

Key features

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.

Integrations with:

Shopify Admin

Category:

Product comparison Store design

Pricing of RMS Size Helper

Free

Up to 3 size charts
1 with Size Helper
50 recommendations/month
30-day analytics
Default button styling
RMS branding shown

Growth

$9 / month

or $86/year and 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

Free trial available

Professional

$19 / month

or $182/year and 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

Free trial available

Enterprise

$49 / month

or $470/year and save 20%

Unlimited size charts
Unlimited Size Helpers
Unlimited recommendations
Unlimited analytics retention
Per-product analytics
Custom button colours
Priority support
No RMS branding

Free trial available

Install from Shopify App Store