Related Products
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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.
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About
WorkMagic helps omnichannel brands measure the true impact of their marketing by combining incrementality testing, multi-touch attribution, and MMM into one unified platform. Its automated geo-based incrementality tests reveal what spend actually drives incremental sales across DTC, Amazon, retail, and wholesale. Instead of relying on guesswork or over-attribution from ad platforms, WorkMagic calibrates attribution models using real experimental results for maximum accuracy. Brands get a clearer view of performance, smarter budget allocation, and higher iROAS. Onboarding takes minutes, thanks to seamless integrations with Shopify, marketing channels, and marketplaces. With WorkMagic, teams finally understand what truly works—and what doesn’t—and can scale efficiently with confidence.
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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
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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
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Audience
Amazon sellers
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Audience
WorkMagic is built for omnichannel DTC and retail brands that need accurate, incrementality-driven measurement to optimize marketing spend and scale profitably
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Support
Phone Support
Not Supported
24/7 Live Support
Supported
Online
Not Supported
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Support
Phone Support
Not Supported
24/7 Live Support
Not Supported
Online
Supported
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API
Offers API
Supported
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API
Offers API
Supported
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Screenshots and Videos |
Screenshots and Videos |
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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
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Pricing
No information available.
Free Version
Not Supported
Free Trial
Not Supported
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Reviews/
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Reviews/
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Training
Documentation
Supported
Webinars
Not Supported
Live Online
Not Supported
In Person
Not Supported
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Training
Documentation
Supported
Webinars
Not Supported
Live Online
Supported
In Person
Not Supported
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Company InformationSpillmark
Founded: 2026
United States
spillmark.com
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Company InformationWorkMagic
Founded: 2023
United States
www.workmagic.io
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Alternatives |
Alternatives |
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Categories |
Categories |
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Integrations
Shopify
Supported
Amazon
Supported
Amazon Ads
Supported
Amazon Seller Central
Supported
Facebook
Not Supported
Instagram
Not Supported
LinkedIn
Not Supported
Meta Ads
Supported
Model Context Protocol (MCP)
Supported
TikTok
Not Supported
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Integrations
Shopify
Supported
Amazon
Not Supported
Amazon Ads
Not Supported
Amazon Seller Central
Not Supported
Facebook
Supported
Instagram
Supported
LinkedIn
Supported
Meta Ads
Not Supported
Model Context Protocol (MCP)
Not Supported
TikTok
Supported
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