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Compare Zelst vs Calling Agency

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

Winner
Zelst

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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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 Zelst Calling Agency
Category Cold Email Outreach B2B Lead Generation
Rating
Winner +4.5 higher
-
Location Harrogate, England, United Kingdom 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
  • SEO
  • PPC
  • Content Marketing
  • Social Media Marketing
  • Email Marketing
  • Data Analytics
  • Marketing Automation
  • Cold Calling
  • Appointment Setting
  • Lead Generation
  • Telemarketing
  • Outbound Call Center
  • Lead Qualification
  • List Building
  • SEO
  • PPC
  • Content Marketing
  • Social Media Marketing
  • Email Marketing
  • Data Analytics
  • Marketing Automation
  • Cold Calling
  • Appointment Setting
  • Lead Generation
  • Telemarketing
  • Outbound Call Center
  • Lead Qualification
  • List Building
Industries
B2B Services Ecommerce Fashion Retail Food & Beverages Health & Wellness
SaaS Healthcare Janitorial Security Logistics Manufacturing Financial Services
Pros
  • Transparent, consultative approach with a focus on metrics that matter to the client.
  • Flexible, month-to-month engagement model with no setup fees and budget-friendly
Cons
  • Primary geographic focus on UK and US, less suited for companies targeting other
  • Not ideal for extremely low budgets or one-off, very small experiments, since packages
Website Visit Site Visit Site
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