UpCart vs Rebuy upsell algorithms

Before

After

Hypothesis

By replacing UpCart's limited upsell logic with Rebuy's more advanced upsell engine, visitors will receive more relevant and personalized cart recommendations, thereby increasing average order value and cart-to-checkout conversion rate.

What we learned

- Rebuy's AI appears more effective at converting users, even with identical visuals, indicating the engine's real-time logic is stronger than UpCart's. - No AOV uplift suggests Rebuy didn't push bigger baskets yet, but helped more users complete their purchase. - This early uplift supports the theory that smarter targeting > static recommendations, even before personalization tuning. - Given the visuals were held constant, this was a clean test of logic performance, making the results more trustworthy.