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Compare C17 Lab vs Stubborn Marketing

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

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C17 Lab

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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Stubborn Marketing

Stubborn Marketing

B2B Lead Generation Website

Stubborn Marketing offers a subscription-based marketing agency model with a flat $999/month fee and no contracts. They provide a full suite of services including SEO, advertising, branding, content marketing, and web development, targeting small to enterprise businesses.

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Feature Comparison

Attribute C17 Lab Stubborn Marketing
Category Cold Email Outreach B2B Lead Generation
Rating
Winner +0.5 higher
Location San Francisco, California, USA Vereeniging, Gauteng, South Africa
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
  • Display Ads
  • Native Advertising
  • PPC
  • Programmatic Advertising
  • Retargeting and Remarketing
  • Video Marketing
  • Branding
  • Brand Strategy
  • Online Reputation Management
  • Content Marketing
  • Content Strategy
  • Content Syndication
  • Copywriting
  • Storytelling
  • Video Production
  • Data Analytics
  • Data Science
  • Data Visualization
  • Machine Learning and AI
  • Marketing Advice
  • Inbound Marketing
  • Lead Generation
  • Market Research
  • Outbound Marketing
  • Marketing Automation
  • Email Marketing
  • Public Relations
  • Corporate Communications
  • Influencer Marketing
  • SEO
  • International SEO
  • Link Building
  • Local SEO
  • Mobile SEO
  • Technical SEO
  • Social Media Marketing
  • Community Management
  • Content Creation
  • Social Media Monitoring
  • Web Development
  • UX Design
  • Web Design
  • Website Maintenance
  • 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
  • Display Ads
  • Native Advertising
  • PPC
  • Programmatic Advertising
  • Retargeting and Remarketing
  • Video Marketing
  • Branding
  • Brand Strategy
  • Online Reputation Management
  • Content Marketing
  • Content Strategy
  • Content Syndication
  • Copywriting
  • Storytelling
  • Video Production
  • Data Analytics
  • Data Science
  • Data Visualization
  • Machine Learning and AI
  • Marketing Advice
  • Inbound Marketing
  • Lead Generation
  • Market Research
  • Outbound Marketing
  • Marketing Automation
  • Email Marketing
  • Public Relations
  • Corporate Communications
  • Influencer Marketing
  • SEO
  • International SEO
  • Link Building
  • Local SEO
  • Mobile SEO
  • Technical SEO
  • Social Media Marketing
  • Community Management
  • Content Creation
  • Social Media Monitoring
  • Web Development
  • UX Design
  • Web Design
  • Website Maintenance
Industries
SaaS E-commerce VC-backed startups Professional Services Manufacturing & Distribution B2B SaaS for Traditional Industries
B2B Services Fashion Retail Media & Entertainment
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
  • Subscription model aligns agency incentives with client success rather than billable
Cons -
  • Broad service range may mean less specialization in any single area compared to
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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