Apps for extending your checkout

Build a unique checkout for your business.

5,870 apps
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PostNord by Uniwin
4.6 out of 5 stars 59 total reviews • Free to install
Create shipment in your Send Direct Business account
Comply
3.8 out of 5 stars 4 total reviews • Free
NF525 (France). Verifactu, TicketBAI & SII (Spain)
Checkout Address Validator JP
5.0 out of 5 stars 21 total reviews • Free plan available
Japanese address validation for stores shipping to Japan
Optionize Product Options
4.5 out of 5 stars 91 total reviews • Free plan available
AI-powered custom options that go beyond the variant limit.
Shipping calculator: ShipMagic
5.0 out of 5 stars 118 total reviews • Free plan available
Show accurate shipping rates based on your custom logic.
Fundlet Fundraiser
4.9 out of 5 stars 22 total reviews • Free trial available
Launch beautiful fundraising campaigns that grow sales
GST india : GST Invoice
5.0 out of 5 stars 22 total reviews • Free plan available
Easy GST invoices, credit notes, reports, filings, e-Invoicing
Watix ‑ WhatsApp Order Alerts
5.0 out of 5 stars 15 total reviews • Free to install
Connect your WhatsApp number with official Meta Cloud API
Dialog ‑ AI Shopping Assistant
5.0 out of 5 stars 38 total reviews • Free plan available
Boost conversions with an Amazon-inspired Rufus agent.
AI Personalisation & Upsell
4.9 out of 5 stars 69 total reviews • Free plan available
Full funnel conversion optimisation and AOV boost
Mini: File Upload Image Upload
5.0 out of 5 stars 28 total reviews • Free plan available
Photo upload, image upload & file upload: product customizer
NZDev ‑ Rural Shipping NZ/AUS
5.0 out of 5 stars 12 total reviews • Free trial available
Select rural shipping rates for rural customers in New Zealand
Ako Taiwan CVS Pickup Einvoice
4.9 out of 5 stars 152 total reviews • Free plan available
Provide CVS pickup options and e-invoice for your customers
Referral Candy & Affiliate
4.9 out of 5 stars 1481 total reviews • Free trial available
Referral marketing: run a referral program & affiliate program
1CP: Email Popup & Spin Wheel
4.9 out of 5 stars 229 total reviews • Free plan available
Grow your email and SMS list with popups you can A/B test
PagePilot: AI Page Builder
4.9 out of 5 stars 197 total reviews • Free plan available
AI Product Page Builder with Upsells & Bundles, on ANY theme
BMT B2B Wholesale Pricing
5.0 out of 5 stars 22 total reviews • Free plan available
Setup B2B wholesale price, forms, hide price, tax & many more
Texnity WhatsApp Business API
5.0 out of 5 stars 39 total reviews • Free trial available
Send order updates with official WhatsApp Business API
kosR
4.9 out of 5 stars 36 total reviews • Free plan available
Manage shipping, pickup, and billing for Hungarian merchants
Appio Amazon Reviews
4.9 out of 5 stars 120 total reviews • Free plan available
Collect & Display product reviews for Amazon, Walmart, eBay...
Convbox Analytics
5.0 out of 5 stars 61 total reviews • Free trial available
Measure marketing impact with multi-touch attribution
Report Toaster: Custom Reports
4.9 out of 5 stars 218 total reviews • Free plan available
Custom reports & analytics for sales, inventory, orders & more
Sale max ‑ Slide Cart Drawer
4.8 out of 5 stars 128 total reviews • Free
Cart Upsell—Boost Sales with Slide Cart Drawer Offers
Deposit & Partial Payment Depo
4.5 out of 5 stars 98 total reviews • Free trial available
Manage deposits, preorder, partial payments, and split payment
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5,870 apps
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