Apps for extending your checkout

Build a unique checkout for your business.

3,273 apps
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Klaviyo: Email Marketing & SMS
4.5 out of 5 stars 2574 total reviews • Free to install
Email marketing, SMS, & WhatsApp that turn messages into sales
Joy Loyalty Program & Rewards
4.9 out of 5 stars 1628 total reviews • Free plan available
Maximize loyalty with rewards, points, VIP tier, membership
Easy Bundles Quantity Breaks
5.0 out of 5 stars 134 total reviews • Free
bundle builder, bundle products, offer, bundler, bundle app.
Upsell.com ReConvert Bundles
4.8 out of 5 stars 2839 total reviews • Free plan available
Create Cart Upsell & Cross Sell + Post Purchase Upsell Funnels
Multifeed Google Shopping Feed
4.9 out of 5 stars 987 total reviews • Free plan available
Feeds & conversion tracking for Google, Facebook, Awin & more
Mailchimp Email SMS Marketing
4.7 out of 5 stars 1064 total reviews • Free plan available
Drive sales with email marketing, SMS, forms, and automation
Simprosys Google Shopping Feed
4.9 out of 5 stars 4232 total reviews • Free trial available
Submits Feed for Google Shopping, Microsoft, Meta, & Pinterest
MIDA: Heatmap, Replay Checkout
4.9 out of 5 stars 412 total reviews • Free plan available
Record & replay, heatmaps, abandoned checkout analytic for CRO
Upsell & Cross Sell — Selleasy
4.9 out of 5 stars 2200 total reviews • Free to install
Frequently Bought Together Bundles & In Cart Upsell for AOV
Propel Replay, Survey, Heatmap
4.9 out of 5 stars 520 total reviews • Free plan available
Record shoppers with replay, heatmaps & analytics, boost sales
Smile: Loyalty Program Rewards
4.9 out of 5 stars 4131 total reviews • Free plan available
Customer loyalty points, VIP tiers, referrals, rewards program
Upcart—Cart Drawer Cart Upsell
4.6 out of 5 stars 726 total reviews • Free plan available
Boost AOV w/ slide cart, reward bar, upsell cart & free gifts
Estimated Delivery Date ‑ ETA
4.9 out of 5 stars 398 total reviews • Free plan available
LEVEL 2 EDD - estimated delivery date plus shipping time
Section Star: Theme Sections
4.9 out of 5 stars 169 total reviews • Free plan available
Elevate your design with our section store and page builder
Hextom: Upsell Sales Boost
4.8 out of 5 stars 1503 total reviews • Free plan available
Increase AOV with upsell, bundle, BOGO, countdown and trust
Blockify Checkout Rules Plus
4.9 out of 5 stars 239 total reviews • Free plan available
Checkout rules, checkout discounts and customizer to boost AOV
Rockit Discounts & Sales App
4.9 out of 5 stars 462 total reviews • Free plan available
Run Flash Sales & Scheduled Discounts with Bulk Price Editor
Fly Bundles Quantity Breaks
4.9 out of 5 stars 494 total reviews • Free to install
All-in-one bundles with free gift, upsells & quantity breaks
Clay • B2B Wholesale Pricing
5.0 out of 5 stars 186 total reviews • Free plan available
B2B wholesale pricing & more, right from your existing store
Zepto Product Personalizer
4.9 out of 5 stars 1160 total reviews • Free trial available
Unlimited options with live preview to sell customized product
Lookfy Lookbook: Image Gallery
4.8 out of 5 stars 188 total reviews • Free plan available
Gain customers with photo gallery, portfolio & shoppable image
Appointment Booking App ointo
4.9 out of 5 stars 854 total reviews • Free plan available
Booking app to take appointments and bookings on your calendar
Simple Invoice ‑ Order Printer
4.9 out of 5 stars 403 total reviews • Free to install
Sending invoices has never been easier.
Massy B2B Wholesale Pricing
5.0 out of 5 stars 99 total reviews • Free
Grow wholesale B2B with custom pricing, volume discount & more
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3,273 apps
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