Adds frequently-bought-together, cross-sell and upsell offers across the shopping journey.
- Cross-sell
- Upsell
- Frequently bought together
- Post-purchase
PricingFree plan available
Storefield Digital
Best Add to cart apps on the Shopify App Store [2026]
Six apps for cart drawers, sticky add-to-cart, automatic gifts, checkout upsells and cart-based offers.
The apps
Each app is profiled below with its current rating, review count, main use case and a direct tracked link to its official Shopify App Store listing.
A slide-cart focused app with cart upsells and free-shipping progress features.
- Slide cart
- Cart upsells
- Free-shipping bar
- Cart UX
PricingFree plan available
Automatically adds qualifying gifts or products to cart based on product or cart-value conditions.
- Auto-add products
- Free gifts
- Cart triggers
- Scheduling
PricingFree plan available
Combines a slide cart, sticky add-to-cart, reward bars and cart upsell functionality.
- Slide cart
- Sticky add to cart
- Reward bar
- Upsells
PricingFree plan available
Focused on one-click checkout upsells and thank-you-page offers after the initial purchase.
- 1-click upsell
- Checkout offers
- Thank-you page
- AOV
PricingFree plan available
A focused sticky add-to-cart option for keeping the purchase action visible while shoppers browse.
- Sticky add to cart
- Quick purchase
- Mobile UX
- Product-page conversion
PricingSee App Store
How we built this guide
What we checked
- Current public Shopify App Store rating
- Current public review volume
- Main use cases and feature focus
- Pricing entry point where visible
- How clearly each app fits this category
Important before installing
Ratings and review counts are a useful signal, not a guarantee that an app is right for your store. Check current pricing, compatibility, support requirements and your exact workflow before installing.
Data check: October 1, 2026.
More app guides
Explore more independent guides to apps available on the Shopify App Store.