--- title: "Cart Reminder" slug: "ios-cart-reminder" description: "Re-engaging users who abandon their cart with rich or carousel push notifications requires SDK 7.1+, revenue tracking, and cart events." tags: ["ios cart reminder"] updated: 2026-10-10T21:14:28Z published: 2026-10-10T21:14:28Z canonical: "academy.insiderone.com/ios-cart-reminder" --- > ## Documentation Index > Fetch the complete documentation index at: https://academy.insiderone.com/llms.txt > Use this file to discover all available pages before exploring further. # Cart Reminder > **Suggested readings**: [Use cases for cart reminder app push](https://academy.insiderone.com/docs/use-cases-for-cart-reminder-app-push), [FAQ about cart reminder app push](https://academy.insiderone.com/docs/cart-reminder-faq) The Cart Reminder feature helps you re-engage users who abandon their shopping carts without completing a purchase. By triggering rich or [carousel](https://academy.insiderone.com/docs/carousel-app-push) push notifications, you can remind users about items left in their cart, encouraging them to complete their purchase. Abandoned carts pose a significant challenge for e-commerce. The Cart Reminder push helps tackle this issue by sending targeted notifications to remind users of their unpurchased items. A cart reminder push is similar to a conversion push, triggered when a user adds items to their cart but ends the session without completing a purchase. To activate Cart Reminder notifications, you need to integrate the following actions in your app at specific user actions. This method requires three [Cart Events](/docs/ios-default-mobile-events#cart-events): - [Item Added to Cart](/docs/ios-default-mobile-events#item-added-to-cart): Triggered whenever a user adds an item to their cart - [Item Removed from Cart](/docs/ios-default-mobile-events#item-removed-from-cart): Triggered whenever a user removes an item from their cart - [Cart Cleared](/docs/ios-default-mobile-events#cart-cleared): Triggered whenever a user removes all items or the last item from their cart ## Important considerations - **Image URLs:** Make sure your image URLs are public. We strongly recommend using HTTPS for secure data retrieval. If HTTP is necessary, ensure the required permissions are granted. - **SDK Requirements**: Cart Reminder requires SDK version 7.1 or above on both platforms. ## Requirements to use Cart Reminder Push To implement Cart Reminder, ensure the following: - **SDK integration**: Integrate Insider’s SDK version 7.1 or higher. - **Push notification setup**: Enable Carousel/Slider Push Notifications for iOS. - **Revenue tracking:** Integrate Insider’s Revenue Tracking Method. - **Cart reminder method:** Integrate the Cart Reminder Method within your app. - **Product information**: Use designated methods to pass data (such as item name, ID, price, currency, and image) to Insider for SDK version 7.1 and above. ## Types of cart reminder notifications - **One or two Items:** Users will receive a standard rich notification, displaying the last item added to the cart in a slider-like format without navigation arrows. - **Three or more Items**: Users will receive a carousel notification, displaying up to 6 items (starting with the last 6 added items) in a slider with navigation arrows. ## Related - [Events](/ios-default-mobile-events.md) - [Cart Reminder App Push](/cart-reminder-app-push.md)