Last9 vs SigNoz: Which Should You Choose in 2026?
Choosing between Last9 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 May 6, 2026 · Methodology
Short on time? Here's the quick answer
We've tested both tools. Here's who should pick what:
Last9
Unified observability for developers, SREs, and AI agents to triage faster and ship code with confidence.
Best for you if:
- 0
- • You need real-time analytics features specifically
- • Unified observability for metrics, logs, traces, and APM without data sampling.
- • AI-native features for automated root cause analysis and production debugging.
SigNoz
Open-source APM and observability
Best for you if:
- 0
- • 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 |  Last9 |  SigNoz |
|---|---|---|
Price | Free + Paid | Free + Paid |
Best For | Real-Time Analytics | Data Visualization |
Rating | — | — |
| Feature | Last9 | SigNoz |
|---|---|---|
| Pricing Model | Freemium | Freemium |
| Community Rating | No ratings yet | No ratings yet |
| Total Reviews | 0 | 0 |
| Community Upvotes | 0 | 0 |
| Categories | Real-Time AnalyticsMonitoring | Data VisualizationMonitoring |
How Last9 and SigNoz Compare
Last9
Unified observability for developers, SREs, and AI agents to triage faster and ship code with confidence.
Free tier available
SigNoz
Open-source APM and observability
Free tier available
Last9 is a real-time analytics tool. SigNoz is in data visualization.
Who Should Use What?
On a budget?
Both are freemium. Compare plans on their websites.
Go with: Last9
Want the highest-rated option?
Neither has user reviews yet.
Go with: Last9
Value user reviews?
Neither has user reviews yet.
Go with: Last9
3 Questions to Help You Decide
What's your budget?
Both are freemium. Pricing won't help you decide here.
What's your use case?
Last9 is a real-time analytics tool. SigNoz is in data visualization. Pick the category that matches your needs.
How important are ratings?
Neither has user reviews yet.
Key Takeaways
Last9
- 0
- Free tier available
- Our pick for this comparison
SigNoz
- Better fit for data visualization
The Bottom Line
Last9 is our pick.
Frequently Asked Questions
Is Last9 or SigNoz better?
Last9 is rated high in our evaluation. Both are freemium.
What are Last9 and SigNoz used for?
Last9: Unified observability for developers, SREs, and AI agents to triage faster and ship code with confidence.. SigNoz: Open-source APM and observability.
What does Last9 cost vs SigNoz?
Last9 is freemium (free tier + paid plans). SigNoz is freemium (free tier + paid plans). Visit their websites for detailed pricing.