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Compare Instantgrowth vs Zelst

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

Instantgrowth

Instantgrowth

Cold Email Outreach Website

Instantgrowth is a B2B lead generation agency that builds automated outbound systems using AI. They take over clients' outbound marketing, creating hyper-personalized cold email campaigns and streamlining processes to book qualified meetings on autopilot.

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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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Feature Comparison

Attribute Instantgrowth Zelst
Category Cold Email Outreach Cold Email Outreach
Rating -
Winner +4.5 higher
Location Wilmington, Delaware, USA Harrogate, England, United Kingdom
Services
  • Lead generation
  • Clay campaigns
  • Cold email campaigns
  • Process automation
  • Copywriting
  • Automations
  • A/B testing
  • SEO
  • PPC
  • Content Marketing
  • Social Media Marketing
  • Email Marketing
  • Data Analytics
  • Marketing Automation
  • Lead generation
  • Clay campaigns
  • Cold email campaigns
  • Process automation
  • Copywriting
  • Automations
  • A/B testing
  • SEO
  • PPC
  • Content Marketing
  • Social Media Marketing
  • Email Marketing
  • Data Analytics
  • Marketing Automation
Industries
Tech startups E-commerce Restaurant Financial services
B2B Services Ecommerce Fashion Retail Food & Beverages Health & Wellness
Pros -
  • Transparent, consultative approach with a focus on metrics that matter to the client.
Cons -
  • Primary geographic focus on UK and US, less suited for companies targeting other
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.

See the Free Plan