How to add Sticky Add to Cart

How to add Sticky Add to Cart

The Sticky Add to Cart keeps the purchase button visible while users scroll on product pages.

It reduces friction, improves mobile experience, and significantly increases conversion rate, especially on long product pages.

How Sticky Add to Cart works

Once published, the Sticky Add to Cart is:

  • Automatically active on all targeted products

  • Displayed according to the selected display condition

  • Fully responsive (desktop + mobile)

No App Block placement is required for Sticky Add to Cart.

Customization overview

The Sticky Add to Cart editor is split into two main areas:

  • Left panel

    • Tabs:

      • Content

      • Style

  • Top panel

    • Live preview

    • Toggle between desktop and mobile preview

Changes are reflected instantly in the preview.

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Content tab

The Content tab controls when and where the Sticky Add to Cart appears.

Desktop configuration

You can configure:

  • Display on desktop devices

  • When to display

    • Always

    • When the user scrolls past the Add to Cart button (recommended)

  • Buttons

    • Add to cart

    • Pay now

    • Both

The recommended option is
When the user scrolls past the Add to Cart button

On desktop, the Sticky Add to Cart is displayed at the bottom right of the screen.

Display options

You can show or hide:

  • Product image

  • Brand

  • Product title

  • Price

This lets you keep the bar minimal or more informative depending on your theme.

Mobile configuration

You can configure:

  • Display on mobile devices

  • When the bar appears

  • Buttons behavior

  • Show price inside the button (mobile)

Sticky Add to Cart is especially powerful on mobile, where the main button often disappears while scrolling.

Style tab

The Style tab lets you fully customize the appearance of the Sticky Add to Cart.

You can adjust:

Buttons

  • Text size and weight

  • Border radius

  • Vertical padding

  • Background and text colors

  • Separate styles for:

    • Add to cart

    • Pay now

Desktop section

  • Background color

  • Border radius

  • Spacing (left, right, top, bottom)

Mobile section

  • Transparent background option

  • Horizontal spacing

Match the Sticky Add to Cart style with your theme for a native look.

Preview on desktop and mobile

The preview panel allows you to:

  • Switch between desktop and mobile

  • See exactly how the Sticky Add to Cart behaves

  • Test display conditions visually

Always check both desktop and mobile before publishing.

Publish the Sticky Add to Cart

Once ready, click Publish.

What happens after publishing

  • The Sticky Add to Cart becomes active

  • It applies to all products, depending on the display condition

  • No additional setup is required

Once published, nothing else needs to be done.

Display conditions explained

You can choose when the Sticky Add to Cart appears:

  • Always visible

    The bar is shown immediately

  • When the user scrolls past the Add to Cart button (recommended)

    The bar appears only when the main button is no longer visible

Using the scroll-based option avoids duplicate buttons on screen.

Common questions

Check that:

  • The module is published

  • The display condition is met

  • You are on a product page

Yes. Sticky Add to Cart is compatible with all modern Shopify themes.

No. Sticky Add to Cart works globally without App Blocks.

Best practices

  • Use scroll-based display

  • Keep the bar minimal

  • Enable price on mobile

  • Test on real products before going live