FourCore Size Guides helps merchants create clear product size charts without editing code. The app includes a drag-and-drop builder, multilingual size guide content, and automatic unit conversion so merchants can show sizing information in the format their customers understand. Merchants can create reusable size guides, assign them to products or collections, and make product sizing easier to compare before purchase.





By FourCore
FourCore Size Guides is the #156 ranked product comparison app on Shopify, with a free plan available, as of May 19, 2026.
FourCore Size Guides is a Shopify App Store app by FourCore, launched May 2026.
AppRanks data: FourCore Size Guides ranks #156 in Product comparison on Shopify App Store, placing it in the top 92% of that category.
Generated from live marketplace data — refreshed daily
FourCore Size Guides is a newly-listed Shopify app with a limited review volume. It is listed in the Product comparison category on Shopify App Store, which AppRanks treats as the canonical taxonomy node for ranking and competitor comparison. no published reviews yet means feature claims are unverified by the wider merchant base. Without a published review base, the only fit-signal available is the developer's own documentation plus the marketplace's listing-quality audit (linked below). The free tier lets you trial the entry feature set without committing a payment method. AppRanks tracks rating, review count, pricing tier, and category position daily — the figures on this page reflect the most recent scrape from the canonical Shopify App Store listing.
Track daily rank changes, category shifts, and position volatility.
FourCore Size Guides doesn't have curated competitor matchups yet. Other tracked product comparison apps on Shopify:
FourCore Size Guides ranks #156 of 170 apps in the Product comparison category, placing it in the top 92% of the listing.
Get help with FourCore Size Guides:
FourCore Size Guides is an app for Shopify. It is published on Shopify App Store and tracked daily by AppRanks, and it has been listed on the marketplace since 2026. It is listed under the Product comparison category on AppRanks, where you can see its current category position, review-velocity trend, and how it compares against the top alternatives in the same space. Developed by FourCore.
FourCore Size Guides offers a free plan that merchants can install on Shopify without entering payment details. Paid tiers PRO unlock additional features for teams that outgrow the free plan. Pricing details on this page are mirrored from the live Shopify listing and refresh on each scrape cycle.
FourCore Size Guides is actively installed across Shopify stores tracked by AppRanks. Its review base is still building, which usually maps to early-stage merchants and stores piloting a new workflow. It is part of the Product comparison category on Shopify.
FourCore Size Guides currently sits at position #156 in the Product comparison category on Shopify. That places it in the top 92% of 170 apps tracked in the same category. Category positions are read from the live marketplace ranking and refresh on each scrape, so the number you see here reflects the most recent crawl rather than a long-running average.
FourCore Size Guides lists 3 integrations on its Shopify marketplace page. The most prominent are 2.0 themes, All themes, Page Builders. Integration data is mirrored from the live Shopify listing on each refresh, so the set above tracks whatever the developer has currently published — it does not reflect deeper compatibility AppRanks has not been able to verify from public data.