Casper ‑ Cart Sync

Develop by Outis

$15-$35

/ Month

Built for Shopify

Free plan available 5 Days Free Trial

Increase sales by keeping customers' carts on all devices

Track and sync

Detailed history logs

Month-long cart retention

Seamless cart sync

Effortless integration

Persistent cart

About Casper ‑ Cart Sync

Launched Jun 27, 2022

Built by Outis

Email :

[email protected]

Address

Lons-le-Saunier, FR

Website Privacy policy

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Description

Let Casper boost sales by preventing abandoned carts and syncing persistent carts across devices

Casper ensures a seamless shopping experience by keeping persistent carts synced across all devices, whether customers switch from one computer to another, or from mobile to desktop. This eliminates the frustration of lost carts, reduces friction, and ensures a smoother shopping journey. With Casper, boost customer satisfaction and increase completed purchases by streamlining the buying process.

Keep carts synced automatically across all devices for logged-in customers
Save carts for 30 days, longer than Shopify’s standard limit
Maintain a detailed history of changes made to customer carts
Drive more sales by ensuring carts are persistent across devices
Effortless integration, activate in just a few clicks

Pros

Increases sales by keeping customers' carts synced across all devices
Enhances shopping experience with a persistent cart, contributing to smoother shopping journeys
Ideal for merchants of any size, from small shops to large wholesale operations
Boosts conversion rates and builds customer loyalty
Tracks and syncs carts across devices with detailed history logs
Extends cart retention to a month, surpassing Shopify's 15-day limit
Seamless integration with store themes
Effortless activation with just a few clicks

Top Helpful Reviews

Coast Direct

Mar 21, 2025 on Shopify

Pooff just like that, carts were disappearing. Can you imagine Shopify tokenizes carts and doesn’t sync them across accounts? I know it’s hard to believe. In comes Casper, and without any issues, it just works. Carts are now synced effortlessly between devices for our logged in users. Definitely recommend.

Country Life

Jan 28, 2025 on Shopify

Nice app, working as expected. Plus, we received quick and helpful support when dealing with a problem specific to used theme (Trade theme). Thanks Clément, nice work

Eaata.pro

Nov 13, 2024 on Shopify

I had an issue and I received a fast and good answer, even a follow-up of the situation till they solve it. Thanks Clement

Platanomelón

Jul 25, 2024 on Shopify

A simple yet effective app for a very much needed feature that Shopify lacks, and keeps belittling as of today. Clément offered outstanding support and event took our feedback to improve the app, something bigger App developers usually don't do. A must have for any store in my opinion, from small to Plus ones.

Martie

Jul 23, 2024 on Shopify

Very easy to install and use. Of all the apps that claim to do this function, we found Casper to be the best. Easy to contact the developer directly with questions.

Primary.com

Feb 20, 2024 on Shopify

Such a simple solution to such a silly Shopify limitation. Incredibly easy to install and get going. Carts are now syncing across multiple devices, including items with line item properties.

CleverPlato

Feb 15, 2024 on Shopify

The app works perfectly for synchronizing your cart on multiple devices. I highly recommend this app for this purpose! Thank you Clément for your outstanding customer support too, much appreciated!

Doctors Optical Lab

Oct 03, 2022 on Shopify

Works really well with our custom theme. The only thing is, cart line item properties don't get carried over across devices

View all reviews