Apps for extending your checkout

Build a unique checkout for your business.

6,311 apps
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POSify: Custom POS Fields
5.0 out of 5 stars 9 total reviews • Free trial available
Sell custom, personalized & made-to-order products in POS
Rapid Preorder | Back in stock
5.0 out of 5 stars 6 total reviews • Free
Sell preorders & back-in-stock alerts without overselling
Wati: WA Cart Recovery & AI
3.8 out of 5 stars 121 total reviews • Free trial available
Recover carts and increase sales with AI-powered WhatsApp chat
Smart Product Accessories
5.0 out of 5 stars 5 total reviews • Free plan available
Sell accessories from the product page in one click
Izprati.BG ‑ pickup & shipping
4.7 out of 5 stars 18 total reviews • Free to install
Carrier selector with live rates. Add COD tax. Create labels.
StoreView: Visitor Tracking
4.9 out of 5 stars 89 total reviews • Free trial available
Track visitors, cart activity and logged-in customers!
Awin ‑ Affiliate Marketing
1.9 out of 5 stars 33 total reviews • Free to install
Grow online sales with Awin’s affiliate marketing solution
Zernio
Free to install
Create, schedule, and update blog articles through an API
CharityChoice Donations
5.0 out of 5 stars 7 total reviews • Free
Custom donation and fundraiser platform. Store & Customer
StackAdapt
5.0 out of 5 stars 7 total reviews • Free to install
Personalized Ad Experience With Simplified Event Tracking
Simple Discounts
5.0 out of 5 stars 16 total reviews • Free plan available
Mix-and-match, quantity, and volume discounts with stock sync
Magical Custom Fields & Upload
4.8 out of 5 stars 88 total reviews • Free trial available
Custom Order Notes, Text Box, Date Picker + Checkout Fields
DiscountRay B2B Custom Pricing
5.0 out of 5 stars 12 total reviews • Free plan available
Volume discounts, personalized offers, gifts & badges
Warn: EU AI Act Product Labels
4.9 out of 5 stars 18 total reviews • Free plan available
Add Prop 65, allergen & EU AI Act warnings by state or country
Carty: Cart Upsell Cart Drawer
5.0 out of 5 stars 61 total reviews • Free plan available
Boost Sales with In-Cart Upsells, Free Gifts, Rewards & Deals
AppHero: Post Purchase Upsell
5.0 out of 5 stars 5 total reviews • Free
Show Targeted One-Click Upsell Offers After Checkout
Simplee Memberships & Loyalty
4.9 out of 5 stars 77 total reviews • Free plan available
Give members perks, discounts, and credits with memberships
Vendoroq EU Warranty & GARAN
5.0 out of 5 stars 6 total reviews • Free plan available
EU Legal guarantee notice & GARAN label 2025/1960 without code
DonateMate
4.3 out of 5 stars 35 total reviews • Free plan available
Accept custom donation amounts throughout your store
Triom: Combine, Merge Orders
4.8 out of 5 stars 75 total reviews • Free plan available
Merge orders and let customers edit address, items, or cancel.
CR ‑ Store Pickup/Delivery
5.0 out of 5 stars 350 total reviews • Free trial available
Offer store pickup or local delivery options to your customers
Build Your Own Bundle Builder
4.9 out of 5 stars 56 total reviews • Free to install
Bundle Builder offers Mix and Match bundle, Build a Box & BYOB
Elevar Conversion Tracking
4.8 out of 5 stars 170 total reviews • Free to install
Add server-side conversion tracking to improve data accuracy
BA Popup Upsell & Cross Sell
5.0 out of 5 stars 25 total reviews • Free plan available
Lift AOV with upsell popup, discount popup & product bundles
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6,311 apps
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