Pay once for version 1. Run it locally, save project backups, and review as many promotions as you need within the license scope.
Review your promotions and run a defensible experiment workflow.
A complete local review, experiment and portfolio-planning workflow.
One-time license for version 1. No subscription or external AI bill. The optional Agency batch runner needs Node.js 20 or later. Major future versions are not promised. Self-service full refund requests within 14 days; mandatory rights remain unaffected. Software redistribution is excluded.
No. It calculates contribution against your supplied expected no-promotion baseline. The tool makes assumptions explicit, and the scenario studio shows how those assumptions change the answer.
No. CSV imports, project files, and calculations stay in your browser. Local project saving is optional. Payment and receipt data are processed separately by Stripe when checkout is activated.
Variable unit costs, allocated campaign spending, supplier funding, full-refund revenue, and supplied post-promotion displacement. Fixed overhead, income tax, and unrecorded spillovers are excluded.
No. Bring a campaign-level CSV from a spreadsheet or any commerce system. The downloadable edition runs from a single HTML file with no account or external AI service.
MarginTrial focuses on a specific promotion decision: the supplied counterfactual, the margin given up on baseline units, break-even response, campaign costs, and later displacement.
An active paid order unlocks the offline download, software license, invoice link, and recovery file. Purchases can be restored from a license or private recovery link. No manual onboarding is needed.