| Feature | Amper | Petasense |
|---|---|---|
| Monitoring | ||
| Power Monitoring Electrical signature monitoring |
✓ Yes | — — |
| PLC Integration PLC data collection |
✓ Yes — Native | — — |
| Vibration Monitoring Mechanical vibration |
— Not Available | ✓ Yes |
| Predictive Maintenance Asset reliability analytics |
— — | ✓ Yes |
| Open API Integration |
— — | ✓ Yes |
| Hardware Ownership Sensor model |
— Subscription | ◑ Sensors purchased |
| Commercial Terms | ||
| Pricing Subscription |
◑ ~$50/machine/mo | — — |
| Hardware Ownership Equipment model |
— Subscription | ◑ Sensors purchased |
| User Accounts Seat pricing |
✓ Unlimited | — — |
Amper is a strong choice for job shops and contract manufacturers needing a broader FactoryOps platform — not just machine monitoring. PLC connectivity provides more depth than pure current-sensing competitors.
Petasense is the right choice for mid-market organizations wanting high-quality wireless vibration sensors with purchased hardware and strong cloud analytics. The calibration-first approach to data quality is a meaningful differentiator.