Best Network Monitoring Software · 2026
Datadog vs 
PRTG Network Monitor Datadog vs PRTG Network Monitor: on our data-weighted scoring, Datadog edges ahead (8.4 vs 8.0/10). Datadog starts at $5/host/mo and is best for cloud-native teams wanting unified network, infrastructure, and application observability as saas; PRTG Network Monitor starts at Free tier available and is best for teams wanting sensor-based monitoring with a free tier. Choose Datadog for the stronger overall track record; consider PRTG Network Monitor if its pricing model or fit matches your environment better. Side-by-side table below.
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Six criteria, each scored 0–10 on the same scale from real review data, public pricing and feature coverage. See our methodology →
| Criterion | Datadog | PRTG Network Monitor |
|---|---|---|
| Editorial | 8.4 | 8.0 |
| User reviews | 8.6 | 9.2 |
| Adoption | 7.2 | 6.4 |
| Affordability | 9.5 | 9.5 |
| Feature breadth | 6.0 | 5.0 |
| Ease of trial | 10.0 | 10.0 |
| Datadog | PRTG Network Monitor | |
|---|---|---|
| Starting price | $5/host/mo | Free tier available |
| Pricing model | per device | per sensor |
| Free trial / tier | Free tier + 14 days | Free tier + 30 days |
| Best for | Cloud-native teams wanting unified network, infrastructure, and application observability as SaaS | Teams wanting sensor-based monitoring with a free tier |
| Deployment | Cloud | On-prem + cloud |
| G2 rating | 4.3/5 (545) | 4.6/5 (250) |
| Capterra rating | — | — |
| Our score | 8.4 | 8.0 |
You need cloud-native teams wanting unified network, infrastructure, and application observability as saas.
You need teams wanting sensor-based monitoring with a free tier.
Datadog bills on a per device model from $5/host/mo (free tier available), while PRTG Network Monitor uses a per sensor model from Free tier available (free tier available). Because the models differ, the cheaper option flips depending on your fleet size — model both at your seat/endpoint count.
Datadog ships 6 headline capabilities (Cloud Network Monitoring (flows), Network Device Monitoring (SNMP), Unified infra + APM + logs, 800+ integrations) and deploys Cloud. PRTG Network Monitor ships 5 (Sensor-based monitoring, SNMP/flow/packet, Custom dashboards, Alerting), deploying On-prem + cloud.
Datadog holds 4.3/5 (~545 G2 reviews); PRTG Network Monitor holds 4.6/5 (~250 G2 reviews). On our data-weighted score, Datadog edges ahead (8.4 vs 8.0/10). Pick PRTG Network Monitor instead when teams wanting sensor-based monitoring with a free tier. See Datadog alternatives or PRTG Network Monitor alternatives.