XtremeUpsell — Smart Upsell & Cross-Sell

Smart Upsell & Cross-Sell for Shopify

Maximize every order with post-purchase upsell funnels, A/B tested offers, AI-powered insights, and a smart rules engine — all built natively for Shopify checkout.

Shopify App StorePost-Purchase Extension7-Day Free Trial

Core Features

Post-Purchase Checkout Extension

Native Shopify checkout extension with one-click upsells right after payment. No redirects, no friction — customers add products instantly.

Multi-Step Funnels

Build upsell → downsell → upsell chains. If a customer declines the first offer, present a lower-priced alternative automatically.

A/B Testing & Control Groups

Split-test offer variants with configurable control groups (0-50%). Measure true revenue lift with statistical confidence tracking.

Smart Offer Engine

Intelligent offer selection with funnel matching, priority sorting, and fallback chains. The right offer reaches the right customer every time.

Advanced Rules Engine

7 rule types, 5 operators, AND/OR logic. Target by order value, item count, product tag, product type, collection, and more.

Revenue Analytics Dashboard

Track revenue generated, conversion rates, and revenue per order. Offer performance table with date range selector and CSV export.

AI-Powered Insights

Auto-select winning A/B variants, revenue prediction with trend detection, merchant benchmarking, and seasonal offer suggestions.

Pre-Built Templates

5 ready-to-use templates: Buy Again, Upgrade, Bundle Deal, High-Value Orders, and Returning Customer. Launch in minutes.

How It Works

1

Install & Onboard

5-step onboarding wizard guides you through setup — pick products, set discounts, preview offers.

2

Build Funnels

Create multi-step funnels with conditions targeting order value, product tags, collections, and more.

3

Customers Buy

Post-purchase offers appear natively in Shopify checkout. One click to accept — no re-entering payment.

4

Optimize

A/B test variants, let AI pick winners, and track revenue lift with real-time analytics.

Tech Stack

FrameworkNext.js 14 App Router with TypeScript
UIShopify Polaris design system
DatabasePostgreSQL with Prisma ORM
CheckoutNative Shopify Checkout Extension (ShouldRender + Render)
AuthShopify OAuth + JWT session tokens + HMAC verification
HostingDocker + Caddy with automatic TLS
AnalyticsReal-time event tracking with A/B group segmentation
SecurityOWASP-audited, CSP headers, rate limiting, GDPR compliant

Roadmap

  • Post-purchase checkout extension with one-click upsells
  • Multi-step funnels (upsell → downsell → upsell chains)
  • Advanced rules engine with 7 rule types and AND/OR logic
  • A/B testing with configurable control groups
  • Revenue analytics with CSV export
  • AI insights — auto-select winners, revenue prediction, benchmarking
  • Pre-built offer templates (5 templates)
  • 5-step onboarding wizard
  • Shopify OAuth + billing integration
  • GDPR compliance (3 endpoints)
  • Multi-currency support
  • Localization (i18n)
  • Tiered pricing plans (Starter/Pro/Enterprise)
  • Shopify Flow integration

Maximize Every Order

Turn every Shopify checkout into a revenue opportunity. Start your 7-day free trial today.

Install on Shopify