Turn One-Time Buyers into Subscribers, Right Inside the Cart
CornerCart shows a subscription upgrade prompt below every eligible line item. Customers switch from a one-time purchase to a recurring subscription in a single click, without leaving the cart.
Automatic detection, zero configuration
Automatic Detection
CornerCart automatically detects which products in the cart have a subscription selling plan available. No per-product configuration needed. If a product is eligible, the upgrade button appears beneath it.
One-Click Upgrade
An "Upgrade to Subscription" button appears below each eligible line item. Customers tap once to switch, and the item converts to a recurring subscription with no page reload or navigation away from the cart.
Works with Any Shopify Subscription App
CornerCart uses Shopify's native subscription API, so it works with any subscription app built on that foundation, including Recharge, Skio, Stay AI, Loop, and others. No custom per-app integration required.
Everything you need to grow recurring revenue from the cart
Automatic Detection
No per-product configuration needed in CornerCart.
CornerCart automatically detects which products in the cart have a subscription selling plan available. Eligibility is driven entirely by your subscription app's configuration.
One-Click Upgrade
A single tap converts a one-time purchase to a recurring subscription.
An "Upgrade to Subscription" button appears below each eligible line item in the cart. No page reload, no navigation away.
Pricing Updates Instantly
Customers see the subscription savings before they head to checkout.
The moment a customer upgrades, the line item price updates to reflect the subscription rate. Savings are visible and tangible before checkout.
Change Frequency After Upgrading
Customers can adjust their delivery interval right in the cart.
If the subscription product has multiple delivery intervals (weekly, monthly, quarterly), customers can adjust their preferred frequency right in the cart after upgrading. There's no need to go back to the product page.
Works with Any Shopify Subscription App
Powered by Shopify's native subscription API.
No custom per-app integration required. If your subscription app is built on Shopify's selling plans infrastructure, CornerCart works with it out of the box.
No new subscriptions infrastructure needed
CornerCart uses Shopify's native subscription API. Whatever subscription app you're already using, it just works.
Built on Shopify's native subscription infrastructure
No proprietary subscription layer. CornerCart works directly with Shopify's selling plans API, making it compatible with the subscription apps you already use.
Want to see it in action? Book a call with usIf the subscription product has multiple delivery intervals, customers can choose and adjust their preferred frequency directly in the cart after upgrading, without going back to the product page.
CornerCart uses Shopify's native subscription API rather than a proprietary integration layer. This means compatibility with any subscription app built on Shopify's selling plans infrastructure, with no custom per-app work.
Frequently asked questions
Everything you need to know about subscription upsells in the cart.
Which subscription apps does this work with?
Any subscription app that uses Shopify's native subscription API, including Recharge, Skio, Stay AI, Loop, and any other app built on Shopify's selling plans infrastructure.
How does CornerCart know which products to show the upgrade button for?
It automatically detects products in the cart with a Shopify selling plan attached. No manual setup per product in CornerCart. Eligibility is driven entirely by your subscription app configuration in Shopify.
What does the upgrade UI look like?
A button appears below the eligible line item in the cart. Tapping it converts the item from a one-time purchase to a subscription in a single click, with no page reload.
Does the price update when a customer upgrades?
Yes. The line item price in the cart updates immediately to reflect the subscription rate, including any subscriber discount. Customers see the new price before they head to checkout.
Can customers choose their subscription frequency in the cart?
Yes. If the product has multiple delivery intervals, customers can change their preferred frequency directly in the cart after upgrading.
Is this always on, or can I target it to specific customers?
The upgrade button is a cart-wide feature and appears automatically for all eligible products. Campaign-based targeting is not yet available for this feature.
What if a customer changes their mind after upgrading?
They can switch back to a one-time purchase by removing the item and re-adding it, or by using the frequency and plan controls in the cart if available.
