Apps for extending your checkout

Build a unique checkout for your business.

5,895 apps
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Easy Student Discounts
5.0 out of 5 stars 19 total reviews • Free to install
Exclusive discounts for verified students all over the world
Dataships: Compliant Opt‑Ins
5.0 out of 5 stars 74 total reviews • Free trial available
Grow revenue by optimizing marketing consent collection
GemX: CRO & A/B Testing
4.8 out of 5 stars 25 total reviews • Free trial available
Optimize store pages with A/B testing for higher conversions
Stack Discounts Pro
4.7 out of 5 stars 33 total reviews • Free trial available
Combine discounts with advanced multi-discount campaigns
Essential Checkout Customizer
5.0 out of 5 stars 6 total reviews • Free
Validate checkout page & orders, customize payment & delivery
uShopAid ‑ Bundle Builder App
4.9 out of 5 stars 40 total reviews • Free plan available
Boost AOV with Mix And Match, Product Bundle & Volume discount
AVP ‑ Age Verification Popup
4.7 out of 5 stars 161 total reviews • Free plan available
Easy age verification: 18+ pop-up for safe premium checks
SE Wishlist Engine
4.8 out of 5 stars 276 total reviews • Free plan available
Grow sales with wishlist: save, share, re-stock alerts & more.
EZ Preorder & Back In Stock
4.5 out of 5 stars 145 total reviews • Free plan available
Accept preorders now or enable notify me back in stock alerts
Ymq Product Options, Variants
5.0 out of 5 stars 422 total reviews • Free plan available
Personalize product options variant option w/ text box, add on
PF: Skip To Checkout/Skip Cart
4.6 out of 5 stars 35 total reviews • Free
Instant checkout sticky add to cart Apple Pay Buy Now button
Globo Combined Listings
5.0 out of 5 stars 8 total reviews • Free
Avoid lost sales by showing shoppers every product option
EU Warranty Label GARAN
5.0 out of 5 stars 8 total reviews • Free plan available
Official EU warranty labels — mandatory from Sept 27, 2026
Yotpo: Loyalty Rewards Program
4.7 out of 5 stars 969 total reviews • Free to install
Build customer loyalty with points, rewards & referrals
Colissimo Official
4.8 out of 5 stars 229 total reviews • Free trial available
Create labels, offer pickup points and track parcels
Checkout Address Validator JP
5.0 out of 5 stars 21 total reviews • Free plan available
Japanese address validation for stores shipping to Japan
Sparrow Upsell & Cross Sell
5.0 out of 5 stars 19 total reviews • Free to install
Free Upsell App to Boost AOV with Cross Sell & Checkout Upsell
BK Dash ‑ Profit Analytics
5.0 out of 5 stars 5 total reviews • From $15.49/month
Take full control of your store in an assertive and accessible
AvantLink Affiliate Marketing
4.6 out of 5 stars 23 total reviews • Free to install
Expand your business with quality affiliates & influencers
Reviewers.com ‑ Video Reviews
4.5 out of 5 stars 12 total reviews • Free trial available
Get high-quality video reviews for any product, on demand
NZDev ‑ Rural Shipping NZ/AUS
5.0 out of 5 stars 12 total reviews • Free trial available
Select rural shipping rates for rural customers in New Zealand
Juicy Hide&Sort Payment Rules
5.0 out of 5 stars 10 total reviews • Free
Sort, hide & rename payment methods to improve conversion rate
ABConvert: A/B Testing
4.6 out of 5 stars 84 total reviews • Free trial available
Boost profit: price test, AB test, theme test & shipping test
S: Request a Quote, Hide Price
5.0 out of 5 stars 124 total reviews • Free plan available
Makes it easier to request quotes and hide prices.
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