Apps for extending your checkout

Build a unique checkout for your business.

6,308 apps
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PO Box Blocker by mnurksr
Free trial available
Prevent shipping errors by blocking P.O. Boxes at checkout.
TierUp: Volume Discounts
Free plan available
Encourage customers to buy more with tiers, bundles and gifts
MerchantKit: Store Tools
Free
Checkout rules, storefront warnings, and store-health tools
Forgeward
Free trial available
Know your checkout rules are working — and when they aren't.
CreditVault – Points, Rewards
Free trial available
Reward customers with store credit
Easy Order Withdraw
Free trial available
EU-compliant self-service order cancellation.
PackLift: Bundles & Upsells
Free plan available
Bundles, quantity breaks, and cart add-ons in one app
Etch
Free trial available
Charge customers per character typed for custom products.
Wineport — DTC Wine Compliance
Free trial available
Multi-state DTC wine compliance for your existing store.
Donation Solution ‑ Dealkhir
Installation gratuite
Donation Solution - Dealkhir
Margin Protector
Free plan available
Stop discounts and fees from turning orders into losses.
Awesome Loyalty & Rewards
Free plan available
Earn points on every order, redeem rewards, and refer friends.
会員限定価格｜会員ランク×自動割引×POSレジ
無料プランあり
クーポン不要。ログイン中の会員に、割引が自動で効く。
OSS Bundles
Free plan available
Powerful product bundles with built-in analytics
Zyro
Free plan available
A/B test, run pop-ups, and see which channels drive sales
AisleLens
Free plan available
Find out why AI assistants recommend rivals over you
Saga StackBuilder | Stacks
Free plan available
Auto-generated goal-based stacks with one-click add to cart.
StackGuard: Combine Discounts
Free trial available
Stack discounts safely with a hard margin cap on every cart
Volera
Free plan available
Quantity volume pricing applied automatically at checkout
Fidelity App
$20/mese
Programma punti fedeltà online e in negozio
WRIT — Approvals & PO for B2B
Free plan available
Require a PO and approve big B2B orders before they ship
Look‑It
Free plan available
Sell the look, not just the product.
WRIT Sentinel — License Gate
Free plan available
License & compliance tracking for regulated B2B
LayerWise ‑ Product Routines
Free
Create product routines customers follow after checkout
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6,308 apps
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