G2 Vendor Directory

Windmill vs. Effy AI

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

MetricWindmill

by Windmill

Effy AI

by Effy AI

Overall rating4.64.8
Review count3037
Ease of use9.59.6
Ease of setup9.69.6
Quality of support9.89.9
Meets requirements9.49.6
NPS76.66666794.444444
Small Business33.3%48.6%
Mid-Market66.7%51.4%
Enterprise0.0%0.0%
Total page views418203
Total LLM citations1,446837

Windmill

Windmill is the first performance review system people actually like. Powered by AI, it synthesizes all your 1:1 conversations, project work, and feedback throughout the year into reviews that write themselves. Employees respond to quick prompts in Slack instead of staring at blank forms trying to remember six months back. Managers walk in with the full story. HR finally has a process that doesn't need constant nudging. Companies using Windmill cut down time by 83% per cycle time and report 93% employee satisfaction with the process.

Pros

  • 1:1 Management
  • Ease of Use
  • Regular Updates
  • Automation Features
  • Progress Tracking
  • Time Efficiency

Effy AI

Effy AI is next-gen performance management software that radically cuts admin with AI. It automates form creation, feedback collection, and report summaries — making 360 reviews, leadership assessments, and onboarding reviews 10x faster and simpler.

Pros

  • Time Efficiency
  • Ease of Use
  • Helpful
  • Customer Support
  • Comprehensive Features
  • Customization Ability