Apps for extending your checkout

Build a unique checkout for your business.

2,813 apps
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Preorder, Back In Stock ‑ STOQ
5.0 out of 5 stars 2458 total reviews • Free plan available
Grow sales with preorders, 'notify me' & back in stock alerts
Vify Order Printer PDF Invoice
4.9 out of 5 stars 1027 total reviews • Free plan available
An invoice generator to easily custom and print order document
Rockit Discounts & Sales App
4.9 out of 5 stars 403 total reviews • Free plan available
Run Flash Sales & Scheduled Discounts with Bulk Price Editor
Upsell.com ReConvert Bundles
4.8 out of 5 stars 2734 total reviews • Free plan available
Create Upsell Bundles & Cross Sell Offers Pre & Post Purchase
BixGrow Affiliate Marketing
5.0 out of 5 stars 1152 total reviews • Free plan available
Boost referral sales with affiliate program & referral program
Rocket Google Reviews
5.0 out of 5 stars 293 total reviews • Free plan available
Display, collect, and AI-reply to Google Reviews—boost trust.
Infinite Product Options
4.7 out of 5 stars 2166 total reviews • Free trial available
Infinite options to personalize customize and bundle products.
Beae Landing Page Builder
5.0 out of 5 stars 812 total reviews • Free plan available
Create fully customizable pages engineered for high conversion
Appstle Loyalty Reward Program
4.9 out of 5 stars 736 total reviews • Free plan available
Program loyalty with points, rewards, credits, referrals & VIP
ETP Sort Hide Payment Methods
5.0 out of 5 stars 183 total reviews • Free plan available
Hide, sort, reoder, rename payment methods with payment rules
Klaviyo: Email Marketing & SMS
4.6 out of 5 stars 2566 total reviews • Free to install
Maximize ROI with AI-driven email marketing, SMS, & service
Packlink PRO Shipping Platform
4.8 out of 5 stars 666 total reviews • Free plan available
Multicarrier Shipping Solutions for eCommerce and Marketplaces
Sami B2B Lock,Password Protect
4.9 out of 5 stars 853 total reviews • Free plan available
Unlock exclusive pages, prices, and products for B2B customers
Tepo Custom Product Options
4.9 out of 5 stars 779 total reviews • Free plan available
Build product customizer to customize product variant options.
Volume Discounts — Dealeasy
4.9 out of 5 stars 474 total reviews • Free to install
Bundle Discount, Free Shipping Bar, Free Gift with Purchase.
FBP | Fast Bundle Product
5.0 out of 5 stars 1872 total reviews • Free to install
Boost AOV by offering bundles, volume discounts, BOGO & more!
Kite Discount, Free Gift, BOGO
4.9 out of 5 stars 557 total reviews • Free to install
Discounts, Free Gift with Purchase, Buy X Get Y, Progress Bar
Multifeed Google Shopping Feed
4.9 out of 5 stars 942 total reviews • Free plan available
Google Shopping feed, Facebook,... feeds & conversion tracking
Zapiet ‑ Pickup + Delivery
4.9 out of 5 stars 1493 total reviews • Free trial available
Smarter delivery options for pickup, local delivery & shipping
Simple Bundles & Free Gift
4.8 out of 5 stars 629 total reviews • Free plan available
Build mix match product bundle for 3PL fulfillment & inventory
Opus Cart Upsell Cart Drawer
4.9 out of 5 stars 456 total reviews • Free plan available
Boost Sales with Free Shipping Bar and Free Gift in slide cart
Aftersell Post Purchase Upsell
4.8 out of 5 stars 724 total reviews • Free plan available
Lift AOV with 1-Click Checkout Upsells & Thank You Page Offers
Smile: Loyalty Program Rewards
4.9 out of 5 stars 4134 total reviews • Free to install
Build customer loyalty with points, rewards, referrals, VIP
Joy Loyalty Program & Rewards
4.9 out of 5 stars 1528 total reviews • Free plan available
Points program, loyalty points, rewards, VIP tier, membership
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