RT: Size Chart, Size Guide is the #49 ranked product display app on Shopify, with a 4.3 average rating from 34 reviews, with a free plan available, as of Sep 5, 2026.
RT: Size Chart, Size Guide is a Shopify App Store app by RoarTheme, launched March 2023. With a rating of 4.3★ from 34 reviews, it currently ranks #49 in the Product display category.
AppRanks data: RT: Size Chart, Size Guide ranks #49 in Product display on Shopify App Store, placing it in the top 9% of that category.
AppRanks verdict
Generated from live marketplace data — refreshed daily
RT: Size Chart, Size Guide is a well-rated Shopify app with a limited review volume. It is listed in the Product display category on Shopify App Store, which AppRanks treats as the canonical taxonomy node for ranking and competitor comparison. 34 reviews put it in the early-traction tier — useful for early-stage stores willing to be on the leading edge. Early-traction review counts are sensitive to single launch periods or feature events, so a 30-day re-check before bigger commitments often resolves whether the trend is sustained. 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.
Pros
- +Free tier available — no card required to evaluate
- +Published by RoarTheme — established developer track record
Cons
- −Limited review base (34) — ratings can shift significantly with new feedback
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About RT: Size Chart, Size Guide
How RT: Size Chart, Size Guide works
You will boost sales of products for which customers must select the size, offering them a tool to make a safe purchase and solve any doubt.
You will be able to limit returns and refunds of products not matching users' needs, offering a wider overview of the products you sell.
You will improve your site usability and user experience during the purchase, reducing information and/or support requests related to size, weight, etc.
Screenshots
Key features
- Limitless Custom Size Creation
- Size Chart Available as Pop Up
- Works with All Themes
Standardized capabilities
Normalized capabilities detected for this app, comparable across the marketplace.
- All Theme OptionsAccess and utilize any available theme for your store.
- Multi-Language SupportOffer a multilingual experience for your customers.
- Compatibility SupportEnsure compatibility with various tools and services for seamless integration.
- Product Page IntegrationSeamlessly integrate product pages with other platforms and tools.
Category rankings
As of Sep 6, 2026- Product display#49of 547Top 9%
- Design element#73of 522Top 14%
See 90-day rank history for each category
Track daily rank changes, category shifts, and position volatility.
Keyword rankings
RT: Size Chart, Size Guide ranks for 9 keywords across Shopify App Store. Here are the top 3:
- Rank #12
- Rank #12
- Rank #12
Competitors & alternatives
RT: Size Chart, Size Guide doesn't have curated competitor matchups yet. Other tracked product display apps on Shopify:
Frequently asked questions
What is RT: Size Chart, Size Guide?
RT: Size Chart, Size Guide is an app for Shopify. It currently holds a 4.3-star rating from 34 merchant reviews, and it has been listed on the marketplace since 2023. It is listed under the Product display 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 RoarTheme.
Is RT: Size Chart, Size Guide free?
RT: Size Chart, Size Guide offers a free plan that merchants can install on Shopify without entering payment details. Pricing details on this page are mirrored from the live Shopify listing and refresh on each scrape cycle.
Who uses RT: Size Chart, Size Guide?
RT: Size Chart, Size Guide 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 display category on Shopify.
Where does RT: Size Chart, Size Guide rank on Shopify?
RT: Size Chart, Size Guide currently sits at position #49 in the Product display category on Shopify. That places it in the top 9% of 547 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.
What does RT: Size Chart, Size Guide integrate with?
RT: Size Chart, Size Guide lists 5 integrations on its Shopify marketplace page. The most prominent are All Themes, Languages, English, Works with, Shopify Admin. 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.