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Compare Simplex vs Calling Agency

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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Calling Agency

Calling Agency

B2B Lead Generation Website

CallingAgency is a New Castle, Delaware, based call center and B2B lead generation agency that provides cold calling, appointment setting, telemarketing and outbound SDR services for companies across multiple industries.

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Feature Comparison

Attribute Simplex Calling Agency
Category B2B Lead Generation B2B Lead Generation
Rating
Winner +4.5 higher
-
Location Sao Paulo, State of Sao Paulo, Brazil New Castle, Delaware, United States
Features
  • Robust content, playbooks and educational resources on B2B sales, lead generation
  • Robust content, playbooks and educational resources on B2B sales, lead generation
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
  • Cold Calling
  • Appointment Setting
  • Telemarketing
  • Outbound Call Center
  • Lead Qualification
  • List Building
  • 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
  • Cold Calling
  • Appointment Setting
  • Telemarketing
  • Outbound Call Center
  • Lead Qualification
  • List Building
Industries
Architecture Ecommerce Fashion Retail Fintech Travel & Tourism
SaaS Healthcare Janitorial Security Logistics Manufacturing Financial Services
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.
  • Flexible, month-to-month engagement model with no setup fees and budget-friendly
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.
  • Not ideal for extremely low budgets or one-off, very small experiments, since packages
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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