Side by side
FusionReactor vs Scout APM
Both stand on application performance & observability - enterprise software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Choose FusionReactor if you need detailed monitoring and profiling for Java or ColdFusion applications, with on-premise deployment or OpenTelemetry export. Look elsewhere if you need a free plan or a maker that can sign a BAA for HIPAA compliance.
Visit FusionReactor
Pick Scout APM if your team wants application monitoring that combines performance data, errors, and alerts, with agents for its listed languages. The free plan provides a way to start, and paid plans begin at $19 a month. Look elsewhere if distributed tracing is essential or your usage exceeds plan transaction limits without recording interruption.
Visit Scout APMThe facts
| FusionReactor | Scout APM | |
|---|---|---|
| Free plan | A free trial | Yes |
| Open source | Not published | Not published |
| Runs on | API, Linux, Mac, Self-hosted, Web, Windows | API, Web |
| Lowest paid plan | Developer License: $22 a month | More Anomaly Detection: $10 a month |
| Plans published | 6 | 10 |
| Maker | Not published | Not published |
| Website | fusion-reactor.com | scoutapm.com |
| On application performance & observability - enterprise software | #15 of 26 | #11 of 26 |
FusionReactor: what it does well
- Monitors Java and ColdFusion applications.
- Offers real-time APM, profiling, database monitoring, and anomaly detection.
- Captures full traces, call trees, and method-level detail.
- Exports Java and ColdFusion telemetry to OpenTelemetry-compatible backends.
- Supports on-premise deployment, and the maker says data can stay local.
What to know first
- The free trial lasts 14 days; there is no free plan.
- The monitoring agent is available for Java and ColdFusion applications.
- Usage beyond plan allowances switches to on-demand for the billing period.
- The maker says it cannot sign a BAA for HIPAA compliance.
Scout APM: what it does well
- Combines traces, metrics, logs, error tracking, and alerting.
- Detects slow database queries and N+1 patterns.
- Learns endpoint behavior for anomaly alerts without configured thresholds.
- Includes human support on every plan.
- Offers integrations including Slack, PagerDuty, and GitHub.
What to know first
- Free plan monitors anomalies on one endpoint.
- Monthly transaction limits can stop new transactions appearing in the dashboard.
- Distributed tracing is not supported.
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