Our new app utilizes the latest Checkout UI extensions from Shopify, currently an exclusive feature for Shopify Plus merchants. Consequently, our app is available solely for those using Shopify Plus.

However, if Shopify extends this feature to all Shopify merchants in the future, our app's accessibility will follow suit.

You can find more details about Checkout UI extensions here: https://www.shopify.com/ca/partners/blog/checkout-extensibility