Apps for extending your checkout

Build a unique checkout for your business.

4,617 apps
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Pandectes GDPR Compliance
5.0 out of 5 stars 2943 total reviews • Free plan available
GDPR/CCPA Cookie Banner, Web Accessibility & EU Withdrawal
Notify! Back in Stock|PreOrder
4.9 out of 5 stars 3349 total reviews • Free plan available
The Notify Me! for pre order, waitlist, low stock & wish list
DECO Product Labels & Badges
5.0 out of 5 stars 1502 total reviews • Free plan available
Elevate sales with product labels, product badges & discounts
Appstle Loyalty Program Reward
5.0 out of 5 stars 1204 total reviews • Free plan available
Customer loyalty points, rewards program, VIP tier & referrals
ETP Sort Hide Payment Methods
5.0 out of 5 stars 310 total reviews • Free
Hide, sort, reorder, rename payment methods with payment rules
Kite Discount, Free Gift, BOGO
4.9 out of 5 stars 920 total reviews • Free to install
Convert more: free gift, buy X get Y, BOGO & progress bar
FBP | Fast Bundle & Upsell App
5.0 out of 5 stars 3050 total reviews • Free to install
Product Bundles & Upsell App for Mix & Match, BOGO, Free Gift
Preorder, Back In Stock ‑ STOQ
5.0 out of 5 stars 3362 total reviews • Free plan available
Grow sales with preorders, 'notify me' & back in stock alerts
SEOWILL: AI SEO & AI Blog Post
4.8 out of 5 stars 1666 total reviews • Free plan available
SEOAnt,SEO Optimizer,Alt text,AI Store Builder,AEO,GEO,JSON-LD
Appstle℠ Bundles & Upsells
5.0 out of 5 stars 964 total reviews • Free plan available
Maximize AOV with bundles, volume discount, upsells & BOGO
EG Auto Add to Cart Free Gift
5.0 out of 5 stars 1053 total reviews • Free trial available
Auto-add free gifts and BOGO offers with smart targeting rules
Kaching Subscriptions App
5.0 out of 5 stars 746 total reviews • Free plan available
Grow recurring revenue with flexible product subscriptions
Revoq ‑ EU Withdrawal Button
4.9 out of 5 stars 454 total reviews • Free plan available
Required for EU shops from June 19, 2026 – set up in minutes.
BOGOS: Free Gift Bundle Upsell
5.0 out of 5 stars 3980 total reviews • Free plan available
Trusted app for free gift with purchase, buy x get y & bundles
BON Loyalty Program & Rewards
5.0 out of 5 stars 1810 total reviews • Free plan available
Customer loyalty points & rewards program, VIP tier, referrals
TikTok
4.8 out of 5 stars 13314 total reviews • Free to install
Launch TikTok Ads and sell directly via TikTok Shop
Klaviyo: Email Marketing & SMS
4.7 out of 5 stars 2958 total reviews • Free to install
Email marketing, SMS, & WhatsApp that turn messages into sales
AOV.ai Bundles Upsell
5.0 out of 5 stars 1533 total reviews • Free to install
Grow order value with bundles, volume discounts & upsells
SMART Shipping Rates & Rules
4.9 out of 5 stars 252 total reviews • Free
Postcode shipping calculator to set rates & rules by product
Discounty: Bulk Discount Sales
4.9 out of 5 stars 1174 total reviews • Free plan available
Boost sale with volume discount, Buy X Get Y and free shipping
SMART Bundles Volume Discounts
5.0 out of 5 stars 200 total reviews • Free
Grow AOV with product bundles, BOGO, quantity breaks & gifts
Essent Cart Drawer Cart Upsell
5.0 out of 5 stars 704 total reviews • Free
Lift AOV via Slide Cart Upsell, Sticky Add to Cart, Reward Bar
Simprosys Google Shopping Feed
4.9 out of 5 stars 4437 total reviews • Free trial available
Submits Feed for Google Shopping, Microsoft, Meta, & Pinterest
ParcelWILL Order Tracking
5.0 out of 5 stars 2562 total reviews • Free plan available
Formerly Parcel Panel order tracker: track orders & boost CSAT
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4,617 apps
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