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Plex (Rockwell) vs Prometheus Group

Full side-by-side scores, feature matrix, and verdict.

Cloud MES + ERP
Plex (Rockwell)
Cloud-native Manufacturing Execution System and ERP platform with integrated machine monitoring
5.4 /10
Machine Intelligence Score
VS
EAM Workflow Optimization
Prometheus Group
Mobile-first maintenance and turnaround planning platform connecting EAM data to field execution
5.2 /10
Machine Intelligence Score
4
Plex (Rockwell) wins
2
Ties
10
Prometheus Group wins
MIS Dimension Breakdown
Plex (Rockwell)
Prometheus Group
Integration Depth
70
/ 100
50
Sensor & Data Coverage
40
/ 100
47
Predictive Intelligence
60
/ 100
45
Usability & Deployment
53
/ 100
73
Commercial Flexibility
28
/ 100
40
Plex (Rockwell)
Score by Category
Prometheus Group
Sensor & Data Coverage
2
Vibration Monitoring
Prometheus Group
3
3
Power Monitoring
Tie
3
7
Machine Age Compatibility
Prometheus Group
8
Predictive Intelligence
5
Predictive Maintenance
Tie
5
7
OEE Tracking
Plex (Rockwell)
4
Integration Depth
7
PLC Integration
Plex (Rockwell)
3
8
Open API
Plex (Rockwell)
7
6
Edge/Cloud Architecture
Plex (Rockwell)
5
Commercial Flexibility
2
Price
Prometheus Group
4
3
Contract Terms
Prometheus Group
4
1
Ownership Model
Prometheus Group
2
2
Minimum Order
Prometheus Group
3
6
User Accounts
Prometheus Group
7
Usability & Deployment
7
User Interface
Prometheus Group
8
6
User Experience
Prometheus Group
8
3
Installation Speed
Prometheus Group
6
Feature Matrix
Feature Plex (Rockwell) Prometheus Group
MES + Monitoring
PLC Integration
Machine connectivity
 ✓ Yes — —
OEE Tracking
Production effectiveness
 ✓ Yes — —
Open API
Integration access
 ✓ Yes — —
Vibration Monitoring
Condition sensing
 ◑ Via integration — Not Available
Maintenance Execution
Work Order Management
EAM field execution
 — — ✓ Yes — Core
Turnaround Planning
Shutdown management
 — — ✓ Yes
Rounds Management
Operator rounds
 — — ✓ Yes
Vibration Monitoring
Condition sensing
 ◑ Via integration — Not Available
Expert Verdict

Plex (Rockwell)

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.

💰 Pricing: Custom enterprise quote · Annual subscription · ERP module pricing varies

Prometheus Group

Prometheus Group is the right choice for asset-intensive industries wanting to close the execution gap between EAM work order planning and field completion, particularly in SAP PM and IBM Maximo environments.

💰 Pricing: Custom enterprise quote · Multi-module pricing based on scope · Implementation costs additional
⚖️
Bottom Line
Prometheus Group wins 10 of 16 categories — a clear edge in the evaluated criteria. Plex (Rockwell) is the stronger choice if cloud mes + erp is your primary requirement.