Add clean, on-brand size charts to every product page — and let shoppers find their size with a built-in fit finder. No theme code, fewer size-related returns, and a single product view that answers “will it fit me?”
In development — launching on the Shopify App Store soon.
Start free with unlimited size charts. Upgrade to Pro at $14.99/month for the fit finder, CSV import/export, per-variant charts, advanced styling, and full analytics — billed monthly through Shopify.
Size & Fit Guide reads your product catalogue structure only — to let you target charts — and stores no shopper personal data.
It adds size charts to your Shopify product pages and, on Pro, a fit finder that suggests each shopper’s best size from a few measurements. You build measurement, text, or image charts and assign them by product, collection, product type, tag, or a store-wide default.
There’s a free plan with unlimited size charts. Pro is $14.99/month and adds the fit recommender, CSV import/export, per-variant measurements, advanced styling, and full analytics — billed through Shopify. See full pricing →
Yes. It installs as a theme app block from the Shopify theme editor on Online Store 2.0 themes — no code changes. Show charts as a button-and-modal or inline.
Yes — a cm⇄in toggle, a how-to-measure guide, and content in 15 storefront languages with right-to-left support.
No. It reads your product catalogue structure only and stores no shopper personal data; fit-finder measurements are used in the shopper’s browser to suggest a size.
Email ask@merchentia.com — we read everything.
Merchentia