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Compare Relevance AI vs Mastroke

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

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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Winner

Mastroke

Paid Advertising & PPC Website

Mastroke is a Shopify-dedicated agency with 10+ years of hands-on experience, serving 10,000+ merchants globally. As an AI-driven Shopify & Shopify Plus agency, they help B2C and B2B brands build, optimize, and scale high-performing eCommerce stores through a blend of human strategy and AI-powered execution.

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Feature Comparison

Attribute	Relevance AI	Mastroke
Category	Cold Email Outreach	Paid Advertising & PPC
Rating	-	Winner +4.5 higher
Location	Limassol, Greece	Torrance, California, United States
Services	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 PPC Shopify Development Conversion Rate Optimization SEO Performance Marketing Amazon Advertising	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 PPC Shopify Development Conversion Rate Optimization SEO Performance Marketing Amazon Advertising
Industries	Devtools & infrastructure AI platforms Workflow software Horizontal B2B SaaS	Fashion Retail Health & Personal Care Home & Lifestyle Pet Supplies MedTech / SportsTech
Pros	Campaigns compound over time via a shared memory graph Reply and voice agents handle objections and book meetings automatically	Full-service capability from store setup and migrations to CRO, SEO, PPC, and Amazon
Cons	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	Geographic focus is primarily the US market, with limited presence in other regions
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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