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About

Google Meridian is an open source Marketing Mix Modeling (MMM) framework built by Google to help advertisers and analysts accurately measure the impact of their marketing efforts across online and offline channels without relying on cookies or user-level tracking. At its core, Meridian uses a Bayesian causal-inference model that can ingest aggregated data (spend, sales or KPI outcomes, reach/frequency, geo-level data, seasonality, and external controls) to estimate the incremental contribution each marketing channel (e.g., search, social, video, offline media) makes to overall performance, and compute return on ad spend (ROAS), response curves, and optimal budget allocation. Because it’s open source, users have full transparency into methodology and code, giving them control over model configuration, data inputs, and assumptions.

About

Spillmark is a web-based marketing analytics and experimentation product for Amazon sellers using Meta ads. It combines data from Amazon Seller Central, Amazon Ads, Meta, and optionally Shopify through account connections or report imports to analyze sales, costs, fees, ad spend, and channel profit. Sellers can design and run geographic holdout tests that pause Meta ads in selected regions, then compare Amazon sales to estimate advertising's incremental effect. Results include uncertainty ranges and explanations of the calculations, alongside dashboards, alerts, and records of test designs. Connected-account access is read-only; the product does not change campaigns without seller approval. Spillmark also provides an MCP server and REST API for assistants and scripts. Brand-level measurement and recommendations are in private beta. Starter includes one active holdout test and alerts; Growth includes unlimited tests, live account connections when available, and branded Amazon PPC tests.

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Audience

Marketing teams, data scientists, and analysts seeking a tool to build robust, transparent, privacy-compliant attribution models to understand real marketing impact, optimize budget allocation, and forecast ROI

Audience

Amazon sellers

Support

Phone Support Supported
24/7 Live Support Not Supported
Online Supported

Support

Phone Support Not Supported
24/7 Live Support Supported
Online Not Supported

API

Offers API Supported

API

Offers API Supported

Screenshots and Videos

Screenshots and Videos

Pricing

Free
Free Version Supported
Free Trial Not Supported

Pricing

$19/month
Dashboard costs $19/month. Starter costs $49/month for brands spending up to $3,000/month on Meta and includes one active holdout test, an experiment ledger, and alerts. Growth costs $199/month for brands spending over $3,000/month on Meta and includes unlimited holdout tests, live account connections when available, branded Amazon PPC tests, and scored predictions. All plans are billed monthly and can be canceled anytime.
Free Version Not Supported
Free Trial Supported

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation Supported
Webinars Supported
Live Online Supported
In Person Not Supported

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Company Information

Google
Founded: 1998
United States
developers.google.com/meridian

Company Information

Spillmark
Founded: 2026
United States
spillmark.com

Alternatives

Robyn

Robyn

Meta

Alternatives

Boardroom

Boardroom

E-Commerce Boardroom, LLC

Categories

Categories

Integrations

Amazon Not Supported
Amazon Ads Not Supported
Amazon Seller Central Not Supported
Google Ads Supported
Google Display & Video 360 Supported
Meta Ads Not Supported
Model Context Protocol (MCP) Not Supported
Shopify Not Supported

Integrations

Amazon Supported
Amazon Ads Supported
Amazon Seller Central Supported
Google Ads Not Supported
Google Display & Video 360 Not Supported
Meta Ads Supported
Model Context Protocol (MCP) Supported
Shopify Supported
Claim Google Meridian and update features and information
Claim Google Meridian and update features and information
Claim Spillmark and update features and information
Claim Spillmark and update features and information