Best Incrementality Testing Tools with a Free Trial
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Compare the Top Incrementality Testing Tools with a Free Trial as of January 2026
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What are Incrementality Testing Tools with a Free Trial?
Incrementality testing tools help marketers measure the true causal impact of their advertising and growth campaigns by isolating what results would have happened without the marketing effort. These tools run controlled experiments—such as holdout groups, geo-testing, or matched-market tests—to determine whether an action actually drives incremental revenue, conversions, or lift. They cut through attribution noise by focusing on statistically valid comparisons rather than last-click or multi-touch modeling alone. Modern incrementality platforms use machine learning to automate experiment setup, validate sample sizes, and deliver reliable, real-time reporting. With these tools, teams can optimize budgets, improve ROI, and eliminate wasted ad spend with confidence. Compare and read user reviews of the best Incrementality Testing tools with a Free Trial currently available using the table below. This list is updated regularly.
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Lifesight
Lifesight
Lifesight is a unified marketing measurement platform that helps marketers move away from inaccurate measurement techniques and enables them to measure their full-funnel marketing using modern measurement methods like marketing mix modeling, incrementality testing & causal attribution - Helping them make better decisions that result in sustainable & profitable growth. -
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Stella
Stella
Stella is a marketing-measurement platform built to give marketers clear, scientifically sound insight into which ads, campaigns, and media channels actually drive incremental revenue. It includes three core tools; Incrementality Testing, Always-On Incrementality, and Media Mix Modeling (MMM). With Incrementality Testing, Stella runs geo-holdout studies (or inverse holdouts) to compare performance between test and control regions, isolating the causal impact of your ads rather than relying on attribution alone. It automatically handles complex statistical analyses (causal inference, confidence intervals, MAPE/R² checks), letting you see what would have happened without a campaign and therefore revealing the true “lift” generated by each ad. Its Media Mix Modeling tool uses a proprietary Bayesian MMM to decompose historical marketing spend and external factors (like seasonality, promotions, holidays, weather, etc.) to estimate each channel’s contribution to sales.Starting Price: $2,000 per month
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