Apps for extending your checkout

Build a unique checkout for your business.

2,836 apps
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Booking App Schedule Cowlendar
4.9 out of 5 stars 1813 total reviews • Free plan available
Appointment Booking app to sell event, rental calendar & Zoom
Beae Landing Page Builder
5.0 out of 5 stars 816 total reviews • Free plan available
Create fully customizable pages engineered for high conversion
Preorder, Back In Stock ‑ STOQ
5.0 out of 5 stars 2478 total reviews • Free plan available
Grow sales with preorders, 'notify me' & back in stock alerts
Appstle Loyalty Reward Program
4.9 out of 5 stars 754 total reviews • Free plan available
Program loyalty with points, rewards, credits, referrals & VIP
Upsell.com ReConvert Bundles
4.8 out of 5 stars 2741 total reviews • Free plan available
Create Upsell Bundles & Cross Sell Offers Pre & Post Purchase
Rocket Google Reviews
5.0 out of 5 stars 292 total reviews • Free plan available
Display, collect, and AI-reply to Google Reviews—boost trust.
Packlink PRO Shipping Platform
4.9 out of 5 stars 673 total reviews • Free plan available
Multicarrier Shipping Solutions for eCommerce and Marketplaces
AOV.ai Free Gifts BOGO & BXGY
5.0 out of 5 stars 608 total reviews • Free to install
Auto add to cart gift, Buy X Get Y, free gift with purchase
Pandectes GDPR Compliance
5.0 out of 5 stars 2531 total reviews • Free plan available
Auto GDPR/CCPA Cookie Banner with Google Consent Mode v2 & TCF
Klaviyo: Email Marketing & SMS
4.6 out of 5 stars 2563 total reviews • Free to install
Maximize ROI with AI-driven email marketing, SMS, & service
Sami B2B Lock,Password Protect
4.9 out of 5 stars 858 total reviews • Free plan available
Unlock exclusive pages, prices, and products for B2B customers
ETP Sort Hide Payment Methods
5.0 out of 5 stars 184 total reviews • Free plan available
Hide, sort, reoder, rename payment methods with payment rules
REZ Back In Stock Notify Me
5.0 out of 5 stars 192 total reviews • Free
Back in Stock alert & Restock alert for Out-of-Stock Waitlists
Volume Discounts — Dealeasy
4.9 out of 5 stars 481 total reviews • Free to install
Offer bundle discounts along with free shipping and free gifts
Multifeed Google Shopping Feed
4.9 out of 5 stars 948 total reviews • Free plan available
Google Shopping feed, Facebook,... feeds & conversion tracking
Tepo Custom Product Options
4.9 out of 5 stars 784 total reviews • Free plan available
Build product customizer to customize product variant options.
Kite Discount, Free Gift, BOGO
4.9 out of 5 stars 566 total reviews • Free to install
Discounts, Free Gift with Purchase, Buy X Get Y, Progress Bar
Rockit Discounts & Sales App
5.0 out of 5 stars 405 total reviews • Free plan available
Run Flash Sales & Scheduled Discounts with Bulk Price Editor
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
Pickup Delivery Date —Pickeasy
4.9 out of 5 stars 1020 total reviews • Free plan available
Order delivery date picker for store pickup & local delivery.
FBP | Fast Bundle Product
5.0 out of 5 stars 1912 total reviews • Free to install
Boost AOV by offering bundles, volume discounts, BOGO & more!
Simple Bundles & Free Gift
4.8 out of 5 stars 635 total reviews • Free plan available
Build mix match product bundle for 3PL fulfillment & inventory
Affiliate Marketing ReferrLy
5.0 out of 5 stars 825 total reviews • Free plan available
Referral marketing with affiliate program & referral program
Smile: Loyalty Program Rewards
4.9 out of 5 stars 4130 total reviews • Free to install
Build customer loyalty with points, rewards, referrals, VIP
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