Best Incrementality Testing Tools for Shopify

Lifesight is a unified marketing measurement platform that helps marketers move away from inaccurate attribution that leads to misallocated budgets & wasted ad spend. Lifesight leverages modern measurement techniques like marketing mix modeling, incrementality testing & causal attribution to help them make better decisions that result in sustainable & profitable growth. Our core features: Data centralization & operationalization: Eliminate data silos, data quality issues and inconsistencies so you get the right insights every time. Marketing effectiveness measurement: Measure the true causal impact of online and offline marketing on all sales so you can make the right decisions. Planning, forecasting & optimization: Achieve your marketing goals with predictability & confidence with AI-powered insights. Marketing intelligence & analytics: Navigate your way to profitable growth by blending marketing & finance to deliver continuous improvements. Lifesight offers full-funnel measurement for every industry: Ecommerce, Retail, Agencies, gaming, entertainment, B2B SaaS and Travel & lifestyle. Learn more at lifesight.io

Stella is a platform designed for marketing measurement, providing marketers with robust, scientifically validated insights into which advertisements, campaigns, and media channels effectively contribute to increased revenue. The platform is equipped with three primary tools: Incrementality Testing, Always-On Incrementality, and Media Mix Modeling (MMM). Through Incrementality Testing, Stella conducts geo-holdout studies, also known as inverse holdouts, to evaluate performance differences between test and control areas, effectively isolating the causal effects of advertisements as opposed to relying solely on attribution methods. This tool simplifies complex statistical processes, including causal inference and confidence intervals, allowing users to understand the potential outcomes without a specific campaign, thus uncovering the genuine “lift” attributed to each advertisement. Furthermore, its Media Mix Modeling feature employs a unique Bayesian approach to dissect historical marketing expenditures and various external influences, such as seasonality and promotional events, to assess the contribution of each channel to overall sales effectively. By leveraging these advanced methodologies, Stella empowers marketers to make informed decisions based on accurate data analysis.

WorkMagic delivers a triangulated measurement system that enables brands to accurately quantify the incremental lift of every marketing channel. Using automated geo incrementality testing, it creates test and control groups that show the real, causal impact of campaigns—without manual setup or technical overhead. The platform then refines attribution models and MMM using these results, giving brands a precise and trustworthy view of ROI. WorkMagic also measures halo effects across Amazon, retail, and wholesale, helping brands see the full spectrum of influence beyond just DTC. With a 10-minute integration and guided onboarding, companies can launch their first incrementality test within a week. Actionable insights reveal how much to spend daily on each channel, which campaigns deserve more budget, and when diminishing returns kick in. Brands using WorkMagic consistently see improvements in ROAS, MER, and CAC. It’s the measurement system built for modern paid media complexity—and for brands seeking profitable, data-backed growth.