Apps for extending your checkout

Build a unique checkout for your business.

4,729 apps
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DiscountOS ‑ Market Discount
5.0 out of 5 stars 15 total reviews • Free
Create any automatic and code discount you can imagine
Spur: AI Chat & Helpdesk
5.0 out of 5 stars 113 total reviews • Free trial available
Boost Sales with WhatsApp Cart Recovery & Instagram Automation
Rimix Product Badges & Labels
5.0 out of 5 stars 26 total reviews • Free plan available
Create product badges & labels to nake your store shine
Spoks: Email & SMS Marketing
4.9 out of 5 stars 28 total reviews • Free plan available
All-in-one email and SMS platform with it's own mobile app
Cartlytics ‑ Cart Analytics
4.9 out of 5 stars 41 total reviews • Free to install
Live carts in real time: add to cart tracking & cart recovery
AVP ‑ Age Verification Popup
4.7 out of 5 stars 153 total reviews • Free plan available
Easy age verification: 18+ pop-up for safe premium checks
Spark — UGC Video Carousel
4.7 out of 5 stars 59 total reviews • Free plan available
Add UGC & reels video gallery with video slider & video player
Elevate A/B Testing Price Test
4.9 out of 5 stars 125 total reviews • Free trial available
Boost sales with AB testing: prices, shipping, content & more
Aimerce First‑Party Pixel
5.0 out of 5 stars 94 total reviews • From $299/month
First-party pixel and server-side tracking to improve ROAS.
GOVX ID Exclusive Discounts
4.9 out of 5 stars 286 total reviews • Free to install
Launch a military and first responder discount on your store.
OC Order Limit Quantity Break
4.9 out of 5 stars 432 total reviews • Free plan available
Set Quantity Discount, Minimum Order Quantity, Quantity Break
AfterShip Order Tracking
4.5 out of 5 stars 1200 total reviews • Free to install
Reduce WISMO with branded order tracking
TiXel: Meta Pixel TikTok Pixel
4.2 out of 5 stars 66 total reviews • Free plan available
Install unlimited pixels: Facebook, Google Ads, TikTok & more
Biscuits Bundle Builder
4.9 out of 5 stars 92 total reviews • Free to install
Mix and match bundle builder to build your own box BYOB
FoxKit: Upsell & Bundles App
4.9 out of 5 stars 379 total reviews • Free to install
AOV+ with bundles, cart upsell, volume discounts & low stock
Qikify Upsell & Cross‑sell
4.8 out of 5 stars 625 total reviews • Free plan available
Upsell & cross-sell with Frequently Bought Together, BOGO
PowerX ‑ Functions Creator
4.8 out of 5 stars 32 total reviews • Free plan available
Script to Functions: Discounts, BOGO, Free Gift, Volume & More
Sale max ‑ Slide Cart Drawer
4.8 out of 5 stars 133 total reviews • Free
Cart Upsell—Boost Sales with Slide Cart Drawer Offers
Magical Custom Fields & Upload
4.7 out of 5 stars 80 total reviews • Free trial available
Custom Order Notes, Text Box, Date Picker + Checkout Fields
CheckboxAssistant: Terms Check
5.0 out of 5 stars 39 total reviews • Free plan available
Build trust and reduce risk with terms and conditions checkbox
VOL Product Fees & Surcharges
5.0 out of 5 stars 40 total reviews • Free plan available
Add product fees & surcharges to checkout, POS, cart & orders
F: PDF Invoice Generator
4.6 out of 5 stars 132 total reviews • Free plan available
An invoice generator with auto PDF invoices & packing slips
Essential CRO Split AB Testing
5.0 out of 5 stars 25 total reviews • Free
Lift CRO by AB Testing & Split Testing Theme Templates.
Rapi Tracking Facebook Pixels
4.9 out of 5 stars 47 total reviews • Free to install
Track Facebook & Meta Pixels with Conversion API (ex Pixelio)
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4,729 apps
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