Apps for extending your checkout

Build a unique checkout for your business.

5,893 apps
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ScaleChart: Size Chart & Guide
5.0 out of 5 stars 44 total reviews • Free plan available
Help customers pick the right size with size charts & upsells
Bundly • Mix & Match Bundles
4.9 out of 5 stars 64 total reviews • Free trial available
Mix and match bundle builder for BYOB, boxes and gift sets
REVIEWS.io Product Reviews App
4.7 out of 5 stars 767 total reviews • Free plan available
Collect product reviews, star ratings, testimonials, UGC + Q&A
RS: AI Search Bar & Filter
4.9 out of 5 stars 409 total reviews • Free plan available
Add AI Search Bar, Product Filters & Collection Filter
Hoppy Marquee Announcement Bar
5.0 out of 5 stars 48 total reviews • Free
Add scrolling banner, marquee header, carousel banners etc
Customix Product Personalizer
4.9 out of 5 stars 42 total reviews • Free plan available
AI product options for POD: live preview & print files
Easy Bundles Quantity Breaks
5.0 out of 5 stars 328 total reviews • Free trial available
Grow AOV with fast product bundles, bundler, bundle builder.
Downpay: Partial Pay & Deposit
5.0 out of 5 stars 96 total reviews • Free trial available
Offer deposit & partial payment for custom and pre-order sales
Alpha: Sale & Discount Manager
4.9 out of 5 stars 308 total reviews • Free
Run sales with bulk discounted pricing, sale prices & coupons
PickupBird Pickup Points
4.9 out of 5 stars 75 total reviews • Free trial available
Add multiple pickup points to store & Print shipping labels
EU Warranty Label & GARAN
4.6 out of 5 stars 35 total reviews • Free plan available
EU warranty & GARAN guarantee label, automatic in your shop
PreProduct pre‑order
4.9 out of 5 stars 109 total reviews • Free to install
Pre-orders at scale: charge now or later, ship when you say so
Subscription & Bundle App Beez
5.0 out of 5 stars 59 total reviews • Free
Bundles app & subscription app to sell bundles & subscriptions
KwikEngage: Whatsapp Marketing
4.9 out of 5 stars 293 total reviews • Free trial available
AI WhatsApp Automation & Abandoned Cart Recovery for eCommerce
Printful: Print on Demand
4.8 out of 5 stars 3906 total reviews • Free to install
Sell custom print and embroidery items with no upfront costs
GP Auto Add to Cart FREE Gifts
5.0 out of 5 stars 47 total reviews • Free plan available
Free gift with purchase app for auto add to cart targeted gift
RT: Terms and Conditions Box
4.6 out of 5 stars 380 total reviews • Free plan available
Add terms and conditions checkbox, terms checkbox to Cart
Avada GDPR Cookie Consent
5.0 out of 5 stars 900 total reviews • Free plan available
GDPR legal cookie consent with consent for CCPA, LGPD and APPI
Snap Cart Drawer Cart Upsell
4.8 out of 5 stars 82 total reviews • Free
Boost AOV w/ fast-loading slide cart drawer, cart progress bar
Mailchimp Email SMS Marketing
4.8 out of 5 stars 1499 total reviews • Free plan available
Drive sales with email marketing, SMS, forms, and automation
Elevate A/B Testing Price Test
4.9 out of 5 stars 144 total reviews • Free trial available
Boost sales with AB testing: prices, shipping, content & more
Massy B2B Wholesale Pricing
5.0 out of 5 stars 223 total reviews • Free plan available
Grow wholesale B2B with custom pricing, volume discount & more
Sami B2B Wholesale Pricing
4.9 out of 5 stars 990 total reviews • Free plan available
All-in-1 Wholesale B2B: Volume discount, b2b registration, tax
Zapiet ‑ Rates by Zip Code
4.8 out of 5 stars 140 total reviews • Free trial available
Easily calculate delivery fees using a customer's zip code
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