G2 Vendor Directory

First Resonance ION Factory OS vs. Plex Smart Manufacturing Platform

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

MetricFirst Resonance ION Factory OS

by First Resonance

Plex Smart Manufacturing Platform

by Rockwell Automation

Overall rating4.04.0
Review count1774
Ease of use7.78.3
Ease of setup8.07.4
Quality of support9.17.6
Meets requirements8.38.2
NPS23.52941220.27027
Small Business23.5%13.5%
Mid-Market76.5%63.5%
Enterprise0.0%23.0%
Total page views249577
Total LLM citations9654,125

First Resonance ION Factory OS

ION is the manufacturing platform for builders of complex, cutting-edge hardware. It connects your people, processes, and parts across the factory with live data, agentic AI, and traceability, so you can move faster from R&D to full-scale production. Unlike legacy MES or ERP systems, ION is built to handle frequent design changes, high-mix production, and real-time decision-making. From dynamic scheduling to actionable analytics, ION helps your team operate with the speed, precision, and agility that modern manufacturing demands.

Pros

  • Implementation Ease
  • Features
  • Ease of Use
  • Intuitive
  • Easy Implementation
  • Manufacturing Integration

Plex Smart Manufacturing Platform

Plex, by Rockwell Automation is a leader in cloud-delivered smart manufacturing solutions, empowering the world's manufacturers to make awesome products. The Plex Smart Manufacturing Platform includes solutions for manufacturing execution (MES), ERP, quality, supply chain planning and management, asset performance management, production monitoring, process automation and analytics to connect people, systems, machines and supply chains, enabling them to lead with precision, efficiency and agility.

Pros