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Video & Step-by-Step Guide

CartBoost Setup Tutorial

Follow this 3-minute guide to configure tier milestone rules and activate your checkout extension block.

Official 1080p Walkthrough Video with English Voiceover ⚡ Native Shopify Checkout Extensibility
1

Install and Open the CartBoost App

Install the app directly from the Shopify App Store listing.

In your Shopify Admin, navigate to Apps and select CartBoost: Checkout Upsell. You will land on the Polaris Merchant Dashboard where you can view telemetry analytics, take rates, and campaign status.

CartBoost Polaris Admin Dashboard
2

Configure Your Milestone Tiers & Order Bump

Inside the app settings:

  • Set your Target Threshold Amount (e.g. $50.00 for Free Shipping or $100.00 for a Gift).
  • Configure your reward tier and specify free shipping or automated product gift line item appending.
  • Enable the 1-Click Order Bump, select an impulse item from your catalog (e.g., Shipping Insurance, Priority Handling, or Cleaning Kit), and click Save Settings.
3

Add the Block in Shopify Checkout Customizer

Navigate to Settings > Checkout in your Shopify Admin. Click Customize on your active checkout profile. In the left panel, click + Add app block, select CartBoost Checkout Bar, and drag it above the shipping options or directly into your order summary. Click Save.

Shopify Checkout Customizer App Block Integration
4

Verify on Storefront Checkout (Desktop & Mobile)

Visit your online store, add items to the cart, and proceed to checkout. You will see the dynamic milestone bar tracking cart value in real time. Ticking the 1-click order bump immediately updates the checkout total with zero page reloads.

One-Page Storefront Checkout Desktop
One-Page Storefront Checkout Mobile