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What is Stella?

Stella is an innovative platform tailored for marketing measurement, offering marketers scientifically sound insights into which advertisements, campaigns, and media channels drive revenue growth. It includes three key features: Incrementality Testing, Always-On Incrementality, and Media Mix Modeling (MMM). With Incrementality Testing, Stella performs geo-holdout studies, commonly referred to as inverse holdouts, to determine performance variations between test and control regions, thereby isolating the direct effects of advertisements instead of relying solely on attribution techniques. This tool streamlines intricate statistical concepts like causal inference and confidence intervals, enabling users to grasp potential outcomes independent of any specific campaign, and revealing the true "lift" generated by each ad. Additionally, the Media Mix Modeling component utilizes a distinctive Bayesian method to analyze past marketing budgets alongside external factors, such as seasonality and promotional events, to accurately evaluate each channel's contribution to total sales. By employing these sophisticated strategies, Stella not only enhances the decision-making process for marketers but also ensures that the data they rely on is both precise and actionable. Ultimately, the platform stands as a vital resource for marketers seeking to optimize their advertising efforts effectively.

What is Google Meridian?

Google Meridian is a publicly available framework for Marketing Mix Modeling (MMM) developed by Google to aid advertisers and analysts in accurately evaluating the impact of their marketing efforts across both digital and traditional channels without relying on cookies or tracking individual users. At the heart of Meridian lies a Bayesian causal-inference model that analyzes aggregated data such as expenditures, sales figures, key performance metrics, reach and frequency, geographic information, seasonal trends, and external variables to assess the incremental effects of various marketing channels like search engines, social media, video content, and offline advertising on overall performance, while also calculating return on ad spend (ROAS), response curves, and optimal budget allocations. Being an open-source resource, it provides users with full access to its methodologies and code, allowing for the customization of model parameters, data inputs, and foundational assumptions. This transparency not only builds user trust but also fosters collaboration among users to enhance and refine the model over time. Moreover, the community-driven aspect of the open-source framework facilitates ongoing contributions that can result in consistent enhancements and innovative solutions within the tool, thereby benefiting the broader marketing community. As users engage with the platform, they can share insights and best practices, further enriching the collective knowledge surrounding marketing analytics.

Media

Media

Integrations Supported

Amazon
Google Cloud Platform
Meta AI
Shopify
Snowflake

Integrations Supported

Google Ads
Google Display & Video 360

API Availability

API Availability

Has API

Pricing Information

$2,000 per month
Free Trial Offered?

Pricing Information

Free
Free Version

Supported Platforms

SaaS

Supported Platforms

SaaS

Customer Service / Support

Web-Based Support

Customer Service / Support

Standard Support
Web-Based Support

Training Options

Documentation Hub
Online Training

Training Options

Documentation Hub
Webinars
Online Training

Company Facts

Organization Name

Stella

Company Location

United States

Company Website

www.stellaheystella.com

Company Facts

Organization Name

Google

Date Founded

1998

Company Location

United States

Company Website

developers.google.com/meridian

Categories and Features

Categories and Features

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