| Feature | Samsara | Plex (Rockwell) |
|---|---|---|
| Monitoring | ||
| Vibration Monitoring Wireless vibration sensors |
✓ Yes | ◑ Via integration |
| Power Monitoring Electrical monitoring |
✓ Yes | — — |
| Temperature Monitoring Thermal monitoring |
✓ Yes | — — |
| OEE Tracking Production effectiveness |
◑ Partial | ✓ Yes |
| Commercial Terms | ||
| Open API Integration access |
✓ Yes | ✓ Yes |
| Pricing Cost model |
— Enterprise custom | — — |
| Hardware Ownership Sensor model |
— SaaS subscription | — — |
| MES + Monitoring | ||
| PLC Integration Machine connectivity |
— — | ✓ Yes |
| OEE Tracking Production effectiveness |
◑ Partial | ✓ Yes |
| Open API Integration access |
✓ Yes | ✓ Yes |
| Vibration Monitoring Condition sensing |
✓ Yes | ◑ Via integration |
Samsara is a strong choice for organizations already in the Samsara ecosystem, or for those wanting a single multi-modal IoT platform covering both mobile assets and stationary equipment. Not the best choice for pure production monitoring or condition monitoring specialists.
Plex is the right choice for mid-market discrete manufacturers wanting machine monitoring as part of a broader cloud MES/ERP investment — particularly in automotive supply chain environments where Plex has deep vertical expertise.