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Compare C17 Lab vs Growth Effekt

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

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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Growth Effekt

Full Sales Cycle Website

Growth Effekt is a Wrocław-based agency specializing in data-driven growth strategies to help businesses achieve their revenue goals.

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Feature Comparison

Attribute	C17 Lab	Growth Effekt
Category	Cold Email Outreach	Full Sales Cycle
Rating
Location	San Francisco, California, USA	Wrocław, Poland
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 Business Consulting Demand Generation Marketing Sales Outsourcing Social Media Marketing	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 Business Consulting Demand Generation Marketing Sales Outsourcing Social Media Marketing
Industries	SaaS E-commerce VC-backed startups Professional Services Manufacturing & Distribution B2B SaaS for Traditional Industries	-
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	Efficient project management Proactive and client-oriented approach Significant time savings in outreach activities Flexibility and budget alignment
Cons	-	Automation could be enhanced for greater efficiency
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.

See the Free Plan

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