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Your customers' carts follow them — phone, laptop, or tablet. No lost carts, no re-adding items.
CartSync saves every logged-in customer's cart and restores it on any device — automatically. Set merge or replace mode, sync in the background on every cart change, and send automated emails for price drops, back-in-stock alerts, and idle carts. Connects to Klaviyo or your own SMTP. Works with any Shopify theme, no code required. Built with official Shopify APIs.
- Cross-device cart sync — saves and restores carts automatically
- Automated emails: price drop, back in stock, low inventory, idle cart
- Connects to Klaviyo or your own SMTP for email delivery
- Choose merge or replace mode when a cart is restored
- Analytics: recovered revenue, conversion funnel, product intelligence
Languages
English
Works with
- Shopify Admin
- Klaviyo
- SMTP
Categories
Cart recovery
Reviews (3)
- 100% of ratings are 5 stars
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0% of ratings are 4 stars
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0% of ratings are 3 stars
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0% of ratings are 2 stars
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0% of ratings are 1 stars
Really useful app for keeping the cart synced across devices. Customers can add products on their phone and continue shopping or complete the purchase later on their desktop without having to add everything again.
The setup was straightforward, and the app works smoothly in the background without affecting the storefront experience. Support has also been responsive and helpful whenever I had questions.
Definitely recommend it for stores where customers frequently switch between mobile and desktop.
The app works perfectly. And if you have any questions, the customer service is fast and really great!
Fonctionne parfaitement
Support
App support provided by ecom.
Resources
Launched
May 6, 2026
Data access
This app needs access to the following data to work on your store. Learn why in the developer's privacy policy .
View customer data:
Sensitive data, device and activity data
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Sensitive data
Name, email address, phone number, physical address
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Device and activity data
Geolocation, IP address, browser and operating system
View staff and contributor data:
Store owner
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Store owner
Name, email address, phone number, physical address
View and edit store data:
Customers, products, orders, Online Store
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Edit customers
Customer data
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Edit products
Inventory, products, collections
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View orders
All order history for the last 60 days
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Edit Online Store
Checkout page, theme
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