HyperDX and SigNoz emerged from the same insight: observability should not cost enterprises millions of dollars annually when open-source databases and protocols can deliver equivalent capabilities. Both platforms are OpenTelemetry-native, self-hostable, and designed to correlate logs, traces, and metrics in a unified interface. However, their architectural foundations and strategic trajectories have diverged significantly following HyperDX's acquisition by ClickHouse.
The most significant architectural difference is the database layer. HyperDX is built exclusively on ClickHouse and now forms the visualization component of ClickStack, ClickHouse's official observability stack. SigNoz also uses ClickHouse as its storage backend but maintains an independent architecture with its own query engine and data processing pipeline. This means HyperDX benefits from direct ClickHouse engineering team optimization, while SigNoz retains more flexibility to evolve its storage strategy independently.
Session replay is a distinctive HyperDX capability that SigNoz does not offer. HyperDX can record and play back browser sessions, correlating user interactions with backend errors and traces. For frontend-heavy applications where user experience directly impacts business metrics, this feature eliminates the need for a separate session replay tool like FullStory or LogRocket. SigNoz focuses purely on backend telemetry: distributed traces, application metrics, and log aggregation.
Query experience reflects different design philosophies. HyperDX provides an intuitive search syntax with property filters like level:err alongside optional full SQL for power users. SigNoz offers a custom query builder interface with ClickHouse SQL underneath. Both support trace exploration and service maps, but HyperDX's approach feels more like searching an email inbox while SigNoz feels more like operating a traditional APM dashboard.
Data ingestion follows OpenTelemetry standards in both cases, meaning any application instrumented with OTel SDKs can send telemetry to either platform without code changes. HyperDX provides first-party SDKs for Browser, Node.js, and Python that simplify initial setup. SigNoz relies more heavily on the standard OTel Collector for ingestion, which offers maximum flexibility but requires more initial configuration knowledge.
Deployment complexity varies. HyperDX offers a single all-in-one Docker container that bundles ClickHouse, the collector, and the UI for quick evaluation, plus Docker Compose for production setups. SigNoz provides a similar Docker Compose deployment but with more components to configure. Both support Kubernetes deployment via Helm charts. For teams already running ClickHouse, HyperDX can connect to an existing cluster while SigNoz bundles its own ClickHouse instance.