Turn Every Sale Into a
Bigger, More Profitable Sale

Boost Average Order Value (AOV) by 15%~25% in the golden 30 seconds after payment. 1-Click charge without re-entering credit card details. 0% Commission. Zero bloat.

14-day free trial · Works with all standard Shopify themes & Shop Pay

Shopify Checkout Extensibility

100% Native Safe Merge (No Split Shipping)

0% Revenue Share Cut

Why Smart Merchants Choose PostBoost

Engineered to replace bloated legacy upsell apps that charge excessive fees.

True 1-Click Checkout

Customers never have to re-enter their 16-digit card number or shipping address. One click adds the product directly to their existing order.

Single Order Guarantee

Never pay double shipping fees. PostBoost merges the upsell natively into the original order, so your warehouse ships only one parcel.

Flat Predictable Pricing

Zero commission on your upsell GMV. Unlike competitors who tax you when you scale, PostBoost remains a flat $19.99/month.

Simple & Transparent

One Simple Plan for Serious Stores

Keep 100% of the additional revenue you generate.

PostBoost Pro

For scaling Shopify stores

Full Access

$19.99/ month

14 days free · No contracts · Cancel anytime

Unlimited 1-Click Upsell Orders

0% Commission (Keep all extra profit)

Single order native merge (No split fulfillment)

Full support for Shop Pay, Apple Pay & PayPal

Live real-time revenue analytics dashboard