Apps for extending your checkout

Build a unique checkout for your business.

2,338 apps
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Combo Wise | Bundle & discount
5.0 out of 5 stars 14 total reviews • Free plan available
Boost sales with easy bundle creation and automatic discounts.
Advanced Bundle Builder | PBC
4.9 out of 5 stars 13 total reviews • Free trial available
Create a bundle page using our builder
GLS easyConnect (Germany)
2.9 out of 5 stars 5 total reviews • Free to install
Simplify your connection to GLS Germany.
EasyCOD ‑ Cash On Delivery Fee
3.4 out of 5 stars 5 total reviews • Free trial available
Charge extra fee and Limit Cash on Delivery (COD) availability
Built for Shopify
Subscribfy
5.0 out of 5 stars 10 total reviews • From $49/month
Boost recurring revenue with this all-in-one retention suite
Vertex AI Search by Nimstrata
5.0 out of 5 stars 5 total reviews • Free plan available
Add Google Vertex AI search and filtering to your store
Atomic POS Variable Price
5.0 out of 5 stars 1 total reviews • Free trial available
Easily sell variable priced products in point of sale (POS)
Dialogue ‑ A/B Testing & CRO
5.0 out of 5 stars 33 total reviews • Free plan available
Boost sales with personalization, A/B testing, CRO and more
OneID Age Verification
4.6 out of 5 stars 2 total reviews • Free to install
Compliant age checks that keep sales flowing. Fast and secure.
Function Studio
5.0 out of 5 stars 2 total reviews • Free plan available
Move scripts to functions using Flow-style builder
Garketing Session Replay & LTV
5.0 out of 5 stars 1 total reviews • Free
Session replay and visitor tracking to LTV customer insight
Snapmint PG Customizations
5.0 out of 5 stars 1 total reviews • Free
Customize your payment methods to drive conversions
Nex Discount Cap & Limit
5.0 out of 5 stars 2 total reviews • From $10/month
Control first-order discounts and avoid over-discounting
Gro One Click Upsell Funnels
5.0 out of 5 stars 13 total reviews • Free
Lift AOV with Super Easy post purchase upsell funnels
KakureruPay: Hide Payment
4.6 out of 5 stars 6 total reviews • Free trial available
Customize checkout: hide, sort, and rename payment methods.
QPMN Print‑on‑Demand POD App
Free to install
Sell customizable playing cards and puzzles with QPMN app
Strike Automatic Discounts
5.0 out of 5 stars 3 total reviews • Free trial available
Use Strike to supercharge your discounts, automatically.
Fan Shipping
5.0 out of 5 stars 6 total reviews • Free plan available
Automatically creates shipping labels and tracks delivery
SF Product Recommendations
5.0 out of 5 stars 2 total reviews • Free to install
Create product recommendations, upsells, cross-sells & more
CAREBOX Package Protection
5.0 out of 5 stars 6 total reviews • Free
Eliminate the costs of lost, damaged, or stolen packages
RuffRuff Order Bonus
5.0 out of 5 stars 1 total reviews • Free trial available
Discounts are available under various conditions.
LM Sticky Cart Drawer & Upsell
5.0 out of 5 stars 11 total reviews • Free plan available
Raise your sell with LM Sticky Cart Drawer & Upsell
Mayple
5.0 out of 5 stars 4 total reviews • Free
Take your brand global on Mayple
InstaCOD ‑ Cash On Delivery
Free
Control COD: customise fees, set rules, block risky customers.
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2,338 apps
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