Zenith vs SigNoz: Which Should You Choose in 2026?
Choosing between Zenith and SigNoz comes down to understanding what each tool does best. This comparison breaks down the key differences so you can make an informed decision based on your specific needs, not marketing claims.
By Toolradar Team · Last updated February 22, 2026 · Methodology
Short on time? Here's the quick answer
We've tested both tools. Here's who should pick what:
Zenith
Monitor your *nix system with zoom-able charts for CPU, GPU, network, and disk usage.
Best for you if:
- • You need something completely free
- • You need real-time analytics features specifically
- • Terminal-based system monitoring for *nix systems.
- • Provides zoom-able charts for CPU, GPU, network, and disk usage.
SigNoz
Open-source APM and observability
Best for you if:
- • You want the higher-rated option (8.4/10 vs 0.0/10)
- • You need data visualization features specifically
- • SigNoz is an open-source observability platform for metrics and traces
- • It provides APM, logs, and distributed tracing in one tool
| At a Glance |  Zenith |  SigNoz |
|---|---|---|
Price | Free | Free + Paid |
Best For | Real-Time Analytics | Data Visualization |
Rating | —/100 | 84/100 |
| Feature | Zenith | SigNoz |
|---|---|---|
| Pricing Model | Free | Freemium |
| Editorial Score | — | 84 |
| Community Rating | No ratings yet | No ratings yet |
| Total Reviews | 0 | 0 |
| Community Upvotes | 0 | 0 |
| Categories | Real-Time AnalyticsTerminal Tools | Data VisualizationMonitoring |
How Zenith and SigNoz Compare
Zenith
Monitor your *nix system with zoom-able charts for CPU, GPU, network, and disk usage.
Free
SigNoz
Open-source APM and observability
Free tier available · 84/100 score
Zenith is a real-time analytics tool. SigNoz is in data visualization.
Who Should Use What?
On a budget?
Zenith is free. SigNoz is freemium.
Go with: Zenith
Want the highest-rated option?
SigNoz scores 84/100. Zenith is unrated.
Go with: SigNoz
Value user reviews?
Neither has user reviews yet.
Go with: SigNoz
3 Questions to Help You Decide
What's your budget?
Zenith is free. SigNoz is freemium. Go with Zenith if free matters most.
What's your use case?
Zenith is a real-time analytics tool. SigNoz is in data visualization. Pick the category that matches your needs.
How important are ratings?
Not all tools have been rated yet.
Key Takeaways
SigNoz
- Higher score: 84/100 vs unrated
- Free tier available
- Our pick for this comparison
Zenith
- Completely free
- Better fit for real-time analytics
The Bottom Line
SigNoz (84/100) is our pick. That said, Zenith is free — hard to beat on price.
Frequently Asked Questions
Is Zenith or SigNoz better?
SigNoz scores 84/100 in our evaluation. Zenith is free and SigNoz is freemium.
What are Zenith and SigNoz used for?
Zenith: Monitor your *nix system with zoom-able charts for CPU, GPU, network, and disk usage.. SigNoz: Open-source APM and observability.
What does Zenith cost vs SigNoz?
Zenith is completely free. SigNoz is freemium (free tier + paid plans). Visit their websites for detailed pricing.