PRTG Network Monitor
8.0/10
MSP Compared score
- Starting price
- Free tier available
- Reviews
- 4.6/5 (~250 G2 reviews)
- Free trial
- Free tier + 30 days
- Deployment
- On-prem + cloud
- Best for
- Teams wanting sensor-based monitoring with a free tier
Best Network Monitoring Software · 2026
PRTG Network Monitor vs 
Zabbix PRTG Network Monitor vs Zabbix: on our data-weighted scoring, Zabbix edges ahead (8.1 vs 8.0/10). PRTG Network Monitor starts at Free tier available and is best for teams wanting sensor-based monitoring with a free tier; Zabbix starts at Free tier available and is best for budget-conscious teams wanting a fully free, open-source, highly scalable monitoring platform. Choose Zabbix 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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Zabbix
8.1/10
MSP Compared score
- Starting price
- Free tier available
- Reviews
- 4.3/5 (~192 G2 reviews)
- Free trial
- Free tier + free trial
- Deployment
- Cloud + self-host
- Best for
- Budget-conscious teams wanting a fully free, open-source, highly scalable monitoring platform
Strengths at a glance
Six criteria, each scored 0–10 on the same scale from real review data, public pricing and feature coverage. See our methodology →
| Criterion | PRTG Network Monitor | Zabbix |
|---|---|---|
| Editorial | 8.0 | 8.1 |
| User reviews | 9.2 | 8.6 |
| Adoption | 6.4 | 6.0 |
| Affordability | 9.5 | 9.5 |
| Feature breadth | 5.0 | 6.0 |
| Ease of trial | 10.0 | 10.0 |
PRTG Network Monitor vs Zabbix: head-to-head
| PRTG Network Monitor | Zabbix | |
|---|---|---|
| Starting price | Free tier available | Free tier available |
| Pricing model | per sensor | flat |
| Free trial / tier | Free tier + 30 days | Free tier + free trial |
| Best for | Teams wanting sensor-based monitoring with a free tier | Budget-conscious teams wanting a fully free, open-source, highly scalable monitoring platform |
| Deployment | On-prem + cloud | Cloud + self-host |
| G2 rating | 4.6/5 (250) | 4.3/5 (192) |
| Capterra rating | — | — |
| Our score | 8.0 | 8.1 |
Choose PRTG Network Monitor if…
You need teams wanting sensor-based monitoring with a free tier.
✓ Pros
- Free up to 100 sensors
- Mature and flexible
- Broad protocol support
✕ Cons
- Sensor model can get costly
- On-prem core
- Dated UI
Choose Zabbix if…
You need budget-conscious teams wanting a fully free, open-source, highly scalable monitoring platform.
✓ Pros
- Completely free core software
- Extremely scalable + flexible
- No vendor lock-in
✕ Cons
- Steeper setup + learning curve
- Support costs extra (or DIY)
- UI less polished than SaaS rivals
In depth
Pricing: Zabbix vs PRTG Network Monitor
Zabbix bills on a flat model from Free tier available (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.
Features & deployment
Zabbix ships 6 headline capabilities (Free + open-source (no license fees), Agent + agentless collection, 250+ official templates, Distributed + high-availability monitoring) and deploys Cloud + self-host. PRTG Network Monitor ships 5 (Sensor-based monitoring, SNMP/flow/packet, Custom dashboards, Alerting), deploying On-prem + cloud.
Ratings & verdict
Zabbix holds 4.3/5 (~192 G2 reviews); PRTG Network Monitor holds 4.6/5 (~250 G2 reviews). On our data-weighted score, Zabbix edges ahead (8.1 vs 8.0/10). Pick PRTG Network Monitor instead when teams wanting sensor-based monitoring with a free tier. See Zabbix alternatives or PRTG Network Monitor alternatives.
Frequently asked questions
- PRTG Network Monitor vs Zabbix: which is better?
- PRTG Network Monitor vs Zabbix: on our data-weighted scoring, Zabbix edges ahead (8.1 vs 8.0/10). PRTG Network Monitor starts at Free tier available and is best for teams wanting sensor-based monitoring with a free tier; Zabbix starts at Free tier available and is best for budget-conscious teams wanting a fully free, open-source, highly scalable monitoring platform.
- Is PRTG Network Monitor cheaper than Zabbix?
- PRTG Network Monitor starts at Free tier available and Zabbix starts at Free tier available (see the pricing rows for models and limits).
Data as of September 17, 2026. Sources: paessler.com, zabbix.com. Figures are pulled from public vendor and security data and refreshed automatically.