Virtual try-on terms, defined
Plain definitions for the vocabulary that shows up when you evaluate try-on apps — credits, overage, extensions, and the metrics that decide whether any of it is working.
Overage rate
An overage rate is the per-unit price you pay for usage beyond what your subscription plan includes.
Theme app extension
A theme app extension is Shopify’s framework for letting an app add features to a storefront theme without editing the theme’s code.
Size recommendation
A size recommendation is guidance shown to a shopper, usually on the product page, about which size of a garment to order.
Virtual try-on
Virtual try-on is technology that shows a shopper how a product would look on their own body or face before they buy.
AI try-on vs AR try-on
AI try-on generates a new image of the shopper wearing a product from a photo they upload; AR try-on overlays a product model on the shopper’s live camera feed in real time.
Try-on credit
A try-on credit is one unit of usage in a virtual try-on app, typically spent each time the app generates a try-on image or video for a shopper.
Live video try-on
Live video try-on is a virtual try-on method that shows a product on the shopper in real time through their device camera, so they see it move as they move.
Email capture
Email capture is the collection of a shopper’s email address, with their consent, so a store can contact them after they leave.
Product detail page (PDP)
A product detail page (PDP) is the page on an online store dedicated to a single product, showing its images, price, description, variant options and add-to-cart button.
Return rate
Return rate is the percentage of items sold that customers send back, calculated by dividing returns by sales over the same period.
Conversion rate
Conversion rate is the percentage of store visitors who go on to buy, calculated by dividing orders by sessions over the same period.
Generative AI try-on
Generative AI try-on is technology that uses image-generation models to render a product onto a photo or live video of a shopper, so they can see the item on their own body before buying.
Usage-based pricing
Usage-based pricing is a model where the cost of software scales with how much it is actually used, rather than sitting at a flat monthly fee.
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