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Compare Zelst vs Simplex

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

Zelst

Cold Email Outreach Website

Zelst is a highly experienced search marketing agency that helps clients to be seen and get found online. They achieve substantial return on marketing investment through creative and strategic search marketing.

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Simplex

B2B Lead Generation Website

Simplex is a global pioneer in SEO technology, using proprietary software and AI to automate page creation and drive organic growth. They help mid-market and enterprise businesses scale traffic, conversions, and revenue with data-driven strategies.

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Feature Comparison

Attribute	Zelst	Simplex
Category	Cold Email Outreach	B2B Lead Generation
Rating
Location	Harrogate, England, United Kingdom	Sao Paulo, State of Sao Paulo, Brazil
Services	SEO PPC Content Marketing Social Media Marketing Email Marketing Data Analytics Marketing Automation Advertising Display Ads Content Strategy Data Science Data Visualization Marketing Advice Lead Generation Market Research International SEO Local SEO SEO Consulting Technical SEO	SEO PPC Content Marketing Social Media Marketing Email Marketing Data Analytics Marketing Automation Advertising Display Ads Content Strategy Data Science Data Visualization Marketing Advice Lead Generation Market Research International SEO Local SEO SEO Consulting Technical SEO
Industries	B2B Services Ecommerce Fashion Retail Food & Beverages Health & Wellness	Architecture Ecommerce Fashion Retail Fintech Travel & Tourism
Pros	Transparent, consultative approach with a focus on metrics that matter to the client.	Proprietary Indexa software automates SEO page creation at scale, reducing IT dependency. Proven track record with major brands like Leroy Merlin, Carrefour, and Sephora. Data-driven approach with AI and machine learning for sustained organic growth. Strong results: 2M monthly visits for Leroy Merlin Italy, 30% above average conversions.
Cons	Primary geographic focus on UK and US, less suited for companies targeting other	Higher budget threshold (starting at $5,000) may not suit small businesses. Focus on mid-market and enterprise limits appeal for startups or local-only companies.
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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