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Compare C17 Lab vs Agência Mestre

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

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C17 Lab

Cold Email Outreach Website

C17 Lab is a B2B outbound growth agency that builds and scales automated sales engines using AI-powered workflows, cold email, and multi-channel outreach to generate qualified meetings and pipeline.

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Agência Mestre

B2B Lead Generation Website

The biggest SEO and Inbound reference in Brazil, Agência Mestre transforms marketing into real growth with a proven methodology and consecutive awards as the best agency in the RD Station ecosystem.

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Feature Comparison

Attribute	C17 Lab	Agência Mestre
Category	Cold Email Outreach	B2B Lead Generation
Rating	Winner +0.5 higher
Location	San Francisco, California, USA	Sao Paulo, State of Sao Paulo, Brazil
Services	AI-powered outbound sales systems Cold email campaigns and automation LinkedIn and multi-channel outreach Email infrastructure and deliverability setup Data-driven campaign optimization Outbound lead generation Inbound lead conversion RevOps and sales enablement Advertising PPC Retargeting and Remarketing Marketing Advice Inbound Marketing Lead Generation SEO SEO Consulting Technical SEO	AI-powered outbound sales systems Cold email campaigns and automation LinkedIn and multi-channel outreach Email infrastructure and deliverability setup Data-driven campaign optimization Outbound lead generation Inbound lead conversion RevOps and sales enablement Advertising PPC Retargeting and Remarketing Marketing Advice Inbound Marketing Lead Generation SEO SEO Consulting Technical SEO
Industries	SaaS E-commerce VC-backed startups Professional Services Manufacturing & Distribution B2B SaaS for Traditional Industries	B2B Services Ecommerce Education Institutions
Pros	Fast lead generation with high-quality, ICP-aligned prospects Tailored AI-powered campaigns that feel 1:1 Strong email deliverability and infrastructure setup Proven track record with case studies showing 400+ meetings in 90 days	Award-winning agency with 4 consecutive years as best digital agency in Brazil End-to-end services covering SEO, inbound, paid traffic, and web development Strong focus on ROI with documented results like 104% increase in Google Ads conversions Deep expertise in RD Station ecosystem and proven methodology for lead generation
Cons	-	Services primarily in Portuguese, limiting international clients Minimum project budget of $2,500 may be high for very small businesses
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.

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