| Feature | Plex (Rockwell) | IoTFlows |
|---|---|---|
| MES + Monitoring | ||
| PLC Integration Machine connectivity |
✓ Yes | — — |
| OEE Tracking Production effectiveness |
✓ Yes | ✓ Yes |
| Open API Integration access |
✓ Yes | — — |
| Vibration Monitoring Condition sensing |
◑ Via integration | ✓ Yes |
| Monitoring | ||
| Vibration Monitoring Native SenseAi sensors |
◑ Via integration | ✓ Yes |
| Acoustic Monitoring Acoustic sensing |
— — | ✓ Yes |
| LIDAR Monitoring Distance and presence sensing |
— — | ✓ Yes |
| Temperature Monitoring Thermal sensing |
— — | ✓ Yes |
| OEE Tracking Automated OEE |
✓ Yes | ✓ Yes |
| Predictive Maintenance AI-driven PdM |
— — | ✓ Yes |
| Commercial Terms | ||
| Pricing Tier structure |
— — | ◑ ~$4,812/yr Essential; Pro/Ent custom |
| Billing Options Commitment flexibility |
— — | ✓ Monthly / Annual / 3-Year |
| Hardware Ownership Equipment model |
— — | — Bundled with subscription |
| User Accounts Seat pricing |
— — | ✓ Unlimited |
| Minimum Order Entry requirement |
— — | ✓ None published |
| Enterprise SLA Uptime and support |
— — | ✓ 99.99% on Enterprise |
| Integration & Developer | ||
| REST API Public developer access |
— — | ✓ All tiers |
| Webhooks & MQTT Event streaming |
— — | ✓ Pro and above |
| Mobile Apps iOS and Android |
— — | ✓ Yes |
| No-Code Dashboards Drag-and-drop console |
— — | ✓ Yes |
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.
IoTFlows is a strong choice for mid-market and enterprise manufacturers wanting a single multi-sensor IIoT platform with no-code dashboards, unlimited users, and open APIs. The subscription-only hardware model and opaque higher-tier pricing are the primary trade-offs to evaluate.