Apps for extending your checkout

Build a unique checkout for your business.

4,073 apps
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Fourseeds Voucher Selector
Gratuite
Let customers select their vouchers directly at checkout
SOptim Bot Protection
Free plan available
Block bot orders at checkout and audit your storefront
OrdKit Order Editing
Free
Reduce support tickets with self-service order edits
BlockCart: Checkout Validator
Free plan available
Cart rules and multi-condition checkout validation
Simple BOGO
Free trial available
Simple BOGO deals that work — zero code, zero conflicts.
Simple Volume Discounts
Free plan available
Volume discounts on Functions — no codes, no Scripts
Buust KI UGC Video Maker Sales
Kostenloser Plan verfügbar
KI-Produktvideos, die aus Besuchern Käufer machen
eWynk: AI Growth & Analytics
Free trial available
AI-powered growth insights and recommendations
Avonix Tariffs & Surcharges
Free
Tariff, surcharge, COD, and eco fees on checkout.
Oak Post Purchase Upsell
Free
Post purchase upsell made easy. One-click, no caps.
Upsellmate
Free plan available
Add native checkout and one-click post-purchase upsells
UR: Smart Thanks LINE Icon
Free trial available
Add a LINE add-friend button to your thank-you page
GD: Shop the Look & Lookbook
Free plan available
Shop The Look matching products & Lookbook
OverlayIQ
Free
Stop discount code abuse at checkout.
Pixelify
Free plan available
Run multiple Facebook pixels on one store for event tracking
Pigeon Express
Free to install
Connect your store to Pigeon Express, Bulgaria's smart courier
Referral Gem ‑ Refer a Friend
Free plan available
Automatic rewards when customers refer friends to your store.
Peakify Upsell Bundles
Free to install
Quantity breaks, volume discounts & mix-match for higher AOV
SimpleSubscription
Free plan available
The all-in-one subscription app — powered by Sidekick AI
Chazify ‑ Pixel Manager
From $5/month
Track Facebook Pixel, Meta Pixel, TikTok Pixel w/ CAPI & Feed
Kaptha OCU ‑ One Click Upsell
Free trial available
One-click post-purchase & in-cart upsells
ShieldCart Shipping Protection
From $5/month
Shipping protection you control — keep all fees, manage claims
Hey! Age Gate Verification
Free
Age verification popup and checkout guard for restricted sales
IntentLift
Free plan available
See live shopper intent and recover carts before they bounce.
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4,073 apps
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