RMS — 02

RMS Size Helper app icon

Size
Helper.

Raise customer confidence and reduce returns. Add intelligence to your product size charts with a research-driven short survey that recommends the right fit — every time.

Available on the Shopify App Store
Shopify App Store Documentation

Interactive Size Charts

Interactive size chart on a product page

“Find My Size” Questionnaire

A short, guided survey asks customers about their body measurements and fit preferences, then recommends the best size with a confidence score — powered by research-driven sizing logic.

Multi-country size conversion

Multi-Country Sizing

Supports US, UK, EU, AU, JP, and CN sizing standards. Equivalent numeric sizes displayed alongside each letter size automatically.

Size Helper analytics dashboard

Analytics & Insights

Understand which sizes are most recommended, which products see the most sizing queries, and how recommendations affect your return rates.

Free plan available

Smarter sizing.
Fewer returns.

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