Casper is one of the best free cart synchronization apps available for Shopify merchants in 2025. It offers automatic cross-device cart syncing with no cart limits and 30-day persistence, helping reduce cart abandonment significantly. The app has received excellent reviews with a 5.0 rating from 15 merchants, praising its effectiveness and responsive customer support.
While Casper offers a free plan for development stores, alternatives include Cart Restore which provides basic cart recovery functionality, and Persistent Cart by Shopify Plus which offers native cart persistence. However, Casper stands out with its advanced cross-device synchronization, automatic cart saving, and 30-day persistence features that many alternatives lack.
Setting up Casper is incredibly simple - no configuration required! Once installed, the app automatically syncs carts for logged-in customers across all devices. The app runs quietly on every page without any pop-ups or manual setup needed. You can optionally enable cart clearing when customers log out through your Shopify admin settings.
Casper keeps customer carts saved for 30 days, even if customers switch devices. This extended persistence significantly reduces cart abandonment compared to standard browser-based carts. The app automatically saves carts as customers add or remove items, ensuring they never lose their progress during their shopping journey.
Yes, Casper is designed to work with the latest Shopify themes and integrates directly into your Shopify admin. The app is built for Shopify, meeting their highest quality standards for speed, ease of use, and merchant value. It requires no theme modifications and works seamlessly across all device types.
