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Compare Simplex vs D3

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

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Simplex

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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D3

D3

B2B Lead Generation Website

D3 is a full-service digital marketing agency based in Ocean City, Maryland, offering web design, SEO, PPC, social media, email marketing, and print services. They serve small to mid-sized businesses with innovative, cost-effective solutions that drive measurable growth.

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Feature Comparison

Attribute Simplex D3
Category B2B Lead Generation B2B Lead Generation
Rating
Winner +4.5 higher
-
Location Sao Paulo, State of Sao Paulo, Brazil Ocean City, Maryland
Services
  • Advertising
  • Display Ads
  • PPC
  • Content Marketing
  • Content Strategy
  • Data Analytics
  • Data Science
  • Data Visualization
  • Marketing Advice
  • Lead Generation
  • Market Research
  • SEO
  • International SEO
  • Local SEO
  • SEO Consulting
  • Technical SEO
  • Native Advertising
  • Programmatic Advertising
  • Retargeting and Remarketing
  • Video Marketing
  • Branding
  • Brand Strategy
  • Online Reputation Management
  • Content Syndication
  • Copywriting
  • Storytelling
  • Video Production
  • Machine Learning and AI
  • Inbound Marketing
  • Outbound Marketing
  • Marketing Automation
  • Email Marketing
  • Public Relations
  • Corporate Communications
  • Influencer Marketing
  • Link Building
  • Mobile SEO
  • Social Media Marketing
  • Community Management
  • Content Creation
  • Social Media Monitoring
  • Web Development
  • UX Design
  • Web Design
  • Website Maintenance
  • Advertising
  • Display Ads
  • PPC
  • Content Marketing
  • Content Strategy
  • Data Analytics
  • Data Science
  • Data Visualization
  • Marketing Advice
  • Lead Generation
  • Market Research
  • SEO
  • International SEO
  • Local SEO
  • SEO Consulting
  • Technical SEO
  • Native Advertising
  • Programmatic Advertising
  • Retargeting and Remarketing
  • Video Marketing
  • Branding
  • Brand Strategy
  • Online Reputation Management
  • Content Syndication
  • Copywriting
  • Storytelling
  • Video Production
  • Machine Learning and AI
  • Inbound Marketing
  • Outbound Marketing
  • Marketing Automation
  • Email Marketing
  • Public Relations
  • Corporate Communications
  • Influencer Marketing
  • Link Building
  • Mobile SEO
  • Social Media Marketing
  • Community Management
  • Content Creation
  • Social Media Monitoring
  • Web Development
  • UX Design
  • Web Design
  • Website Maintenance
Industries
Architecture Ecommerce Fashion Retail Fintech Travel & Tourism
Architecture Automotive Fashion Retail Fintech Media & Entertainment Hospitality Healthcare Museums & Cultural Institutions
Pros
  • 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.
  • Offers innovative services like Answer Engine Optimization (AEO) and AI Assistant,
Cons
  • 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.
  • No public client reviews on the Semrush profile, making independent validation harder.
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