G2 Vendor Directory

Scalestack vs. Apollo.io

A side-by-side comparison based on G2 review data.

MetricScalestack

by Scalestack Inc.

Apollo.io

by Apollo.io

Overall rating4.84.7
Review count109,851
Ease of use9.49.2
Ease of setup9.49.0
Quality of support9.48.9
Meets requirements9.39.2
NPS8083.992806
Small Business50.0%66.9%
Mid-Market30.0%28.4%
Enterprise20.0%4.7%
Total page views26726,360
Total LLM citations821186,531

Scalestack

We believe software should serve people, not the other way around. Scalestack is the governed layer between your database and execution. Trusted, AI-ready context available everywhere. We put our AI agents to work cleaning and enriching your data, and turn the results into governed workflows your teams and agents can trust and run on. Replace disconnected and duplicated processes with one controlled layer across your existing systems. Give every team and agent reliable access, clear oversight, and cost visibility.

Pros

  • Automation
  • Integrations
  • Time-saving
  • AI Technology
  • CRM Integration
  • Ease of Use

Apollo.io

Apollo.io is an AI-powered go-to-market (GTM) platform that helps revenue teams find, engage, and manage B2B buyers across the entire sales cycle. Apollo.io is the company behind the industry’s first fully agentic GTM platform, transforming how revenue teams execute. Going beyond automation, Apollo’s intelligent agents actively drive results across the entire sales funnel – from prospecting to deal management – all in one place.

Pros

  • Ease of Use
  • Lead Generation
  • Features
  • Helpful
  • Time-saving
  • Automation