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Compare Marketing by Data vs Relevance AI

Side-by-side comparison of features, pricing, services, ratings and more.

Marketing by Data

B2B Lead Generation Website

Marketing by Data is an industry-leading digital marketing agency since 2008, specializing in SEO, paid ads, and data-driven strategies. They also train other agencies on digital marketing techniques, offering a full suite of services from strategy to execution.

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Relevance AI

Cold Email Outreach Website

Relevance AI builds semi-autonomous outbound agents that run thousands of experiments across your total addressable market to find the right wedge. They combine machine-speed hypothesis testing with human taste to generate pipeline for horizontal product companies.

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Feature Comparison

Attribute	Marketing by Data	Relevance AI
Category	B2B Lead Generation	Cold Email Outreach
Rating	-	-
Location	Burbank, California	Limassol, Greece
Services	Advertising Display Ads Native Advertising PPC Retargeting and Remarketing Video Marketing Marketing Advice Lead Generation Market Research SEO Link Building Local SEO Mobile SEO Technical SEO Cold email outreach List building Social selling Community engagement Semi-autonomous outbound agents (Hermes, Kairos, Soteria, Hestia, Persephone) TAM mapping and angle × persona × vertical experimentation Reply handling and voice agent scheduling Statistical analysis and campaign compounding	Advertising Display Ads Native Advertising PPC Retargeting and Remarketing Video Marketing Marketing Advice Lead Generation Market Research SEO Link Building Local SEO Mobile SEO Technical SEO Cold email outreach List building Social selling Community engagement Semi-autonomous outbound agents (Hermes, Kairos, Soteria, Hestia, Persephone) TAM mapping and angle × persona × vertical experimentation Reply handling and voice agent scheduling Statistical analysis and campaign compounding
Industries	B2B Services Consumer Goods Fashion Retail Health & Wellness Legal Services	Devtools & infrastructure AI platforms Workflow software Horizontal B2B SaaS
Pros	Serves a wide range of industries including legal, e-commerce, and local services Offers free SEO audit and consultation to demonstrate value upfront	Campaigns compound over time via a shared memory graph Reply and voice agents handle objections and book meetings automatically
Cons	No client reviews or ratings available on Semrush profile Minimum project budget of $1,000 may not suit micro-businesses	No client reviews available on Clutch or G2 yet Requires human oversight for taste and final approval Best suited for horizontal products with large experiment surfaces
Website	Visit Site	Visit Site

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Free Plan Available

You shouldn’t have to overpay for cold email tools. With Mystrika, you won’t.

It does cold email warmup, sequences, unified inbox, and AI writing - all in one place. Every other tool that does this charges somewhere between $100 and $500 a month. Mystrika has a free plan. 500 prospects. No expiry. No card.

The people who consistently book meetings from cold email aren’t smarter. They just stopped leaving money on the table.

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