Side by side
Paessler PRTG Network Monitor vs Telegraf
Both stand on hardware monitoring software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan AndroidAPIiPhone+5
PRTG combines on-premises infrastructure monitoring with alerts, reports, dashboards, and an API. Check sensor needs and the single-license-per-server limit when choosing a plan.
Visit Paessler PRTG Network Monitor Free plan Open source APILinuxMac+3
Choose the free open source edition for personal, small, or simple metric pipelines across infrastructure, applications, and devices. Consider Enterprise if you need centralized management, fleet visibility, access controls, or Enterprise Support; its plans start at $18,000 / year.
Visit TelegrafThe facts
| Paessler PRTG Network Monitor | Telegraf | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Yes |
| Runs on | Android, API, iPhone, Linux, Mac, Self-hosted, Web, Windows | API, Linux, Mac, Self-hosted, Web, Windows |
| Lowest paid plan | PRTG 500: $200 a year | Telegraf Enterprise: $18,000 a year |
| Plans published | 6 | 3 |
| Maker | Not published | Not published |
| Website | paessler.com | influxdata.com |
| On hardware monitoring software | #29 of 59 | #4 of 59 |
Paessler PRTG Network Monitor: what it does well
- More than 250 preconfigured sensors
- Customizable alerts and scheduled reports
- API for monitoring data and custom features
- Free iOS and Android monitoring apps
What to know first
- Mobile apps do not support cluster setups
- License sizes cannot be combined on one server
- Paid plans start at $200/mo billed annually
Telegraf: what it does well
- Open source edition is free.
- 400+ community-tested plugins connect data sources and destinations.
- Collects real-time IoT and edge signals via MQTT, Modbus, and OPC-UA.
- Can monitor Kubernetes, Docker, and Prometheus.
- Enterprise adds fleet visibility and role-based access control.
What to know first
- Open source Telegraf has no native access control.
- Enterprise starts at $18,000 / year.
- Free Controller is limited to 20 configurations and 100 reporting agents.
Alternatives to Paessler PRTG Network Monitor Alternatives to Telegraf The whole list