Post-purchase upsells with built-in A/B testing, smart product targeting, and real-time analytics. Know exactly which offers convert — and why.
One-click install from the BigCommerce App Marketplace. No theme editing. No developer needed.
Build upsell offers with our visual editor. Create A/B variants to find the highest-converting copy, discounts, and timing.
Customers see targeted offers after purchase and accept with one click. Track every impression, click, and dollar in real-time.
Built specifically for BigCommerce merchants. Not a port from Shopify — native BigCommerce integration.
Show offers on the order confirmation page when buying intent is highest. Zero friction — the sale is already done.
Customers add to their order with a single click. No re-entering payment info. Seamless cart creation via BC API.
Trigger offers by specific products, categories, cart value ranges, or show to all orders. Layer rules for precision.
Test different headlines, discounts, images, and CTAs. Statistical significance tracking tells you when a winner is clear.
Show different offers based on order total. Premium upsells for big spenders, accessories for smaller carts.
Create urgency with configurable countdown timers. Customize duration per offer.
Offer percentage or fixed discounts to increase conversion rates. See discount impact on revenue.
Track impressions, conversions, revenue, and AOV lift. Filter by device, date range, and A/B variant.
Match your brand. Choose from built-in themes or fully customize colors, CSS, and positioning.
Responsive widget that looks great on desktop, tablet, and mobile. Track conversion by device.
See exactly how much revenue each offer generates. Track lifetime upsell revenue per store.
Lightweight widget (< 15KB gzipped). Loads asynchronously. No impact on your store speed.
Most upsell apps show you impressions and conversions — then leave you guessing which changes actually moved the needle. BoostCart has native A/B testing so you can:
Purpose-built for BigCommerce with features the competition charges extra for.
| Feature | BoostCart | Others |
|---|---|---|
| Post-Purchase Upsells | ✅ | ✅ |
| Built-in A/B Testing | ✅ Free | ❌ or $99+/mo |
| Cart Value Triggers | ✅ | ⚠️ Limited |
| Custom Widget Themes | ✅ | ❌ |
| Device-Level Analytics | ✅ | ❌ |
| Revenue Attribution | ✅ | ✅ |
| Free Tier Available | ✅ Founders free forever | ❌ $20-100/mo |
| Lightweight Widget | ✅ < 15KB | ⚠️ Varies |
Join the Founders Program — free forever for the first 500 stores. No credit card required. Set up your first upsell in under 60 seconds.
Get Started Free →