Compare Link 37 vs Duplo Network

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

Link 37

Cold Email Outreach Website

Link 37 is a HubSpot Solutions Partner specializing in complex implementations and system integrations. The agency connects HubSpot to ERPs, custom databases, and operational systems for industrial and manufacturing companies across Portugal and Spain. They offer CRM consulting, SEO, email marketing, advertising, eCommerce development, web design, AI development, digital strategy, UI/UX design, and software development.

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Winner

Duplo Network

Branding & Design Website

Duplo Network is a branding and design agency that helps brands tell their stories through strategy and visual executions. Founded in 2003, the agency has nearly 20 years of experience serving clients worldwide.

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Feature Comparison

Attribute	Link 37	Duplo Network
Category	Cold Email Outreach	Branding & Design
Rating	-	Winner +4.8 higher
Location	Lisbon, Portugal	Coimbra, Portugal
Services	CRM Consulting SEO Email Marketing Advertising eCommerce Development Web Design AI Development Digital Strategy UI/UX Design Software Development Branding Graphic Design Package Design Creative Services	CRM Consulting SEO Email Marketing Advertising eCommerce Development Web Design AI Development Digital Strategy UI/UX Design Software Development Branding Graphic Design Package Design Creative Services
Industries	Legal eCommerce Real Estate Retail Software & IT Services Finance Education Corporate Services Fintech Travel	Consumer Goods Health Care Sports
Pros	HubSpot Solutions Partner with expertise in complex integrations and custom middleware development Supports clients in Portuguese, Spanish, and English	Nearly 20 years of experience in branding and design Strong client relationships and clear communication High Google rating of 4.8 from 5 reviews
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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