CompareOneUptime
Observer vs OneUptime
OneUptime is an open-source, all-in-one observability platform: monitoring, on-call, incidents, logs, and a status page in one system you run. Observer is the opposite shape, a thin verdict layer over the telemetry you already have.
Verdict
When to choose which.
Choose OneUptime if you want to run a full observability platform yourself. Choose Observer if you want a status page that reads your existing telemetry without standing up another system.
Side by side
Observer vs OneUptime, line by line.
A metrics-driven OneUptime alternative. Here is the difference, dimension by dimension.
| Dimension | Observer | OneUptime |
|---|---|---|
| What drives status | The metric your engineers already watch. Observer reads it, applies your threshold, and publishes the verdict automatically. | Its own monitors and incident workflow drive status across the platform. |
| Built-in monitoring | Reads existing telemetry instead of adding checks: Prometheus, OpenTelemetry, CloudWatch, Loki, Elasticsearch, SQL/NoSQL queries, plus HTTP, TCP, DNS, TLS, ICMP, gRPC, and WebSocket probes. | Yes, a full platform: availability and response-time monitors, plus logs, metrics, and traces you ingest into OneUptime. |
| Signal source & data locality | The agent runs inside your network and pushes only the precomputed verdict outbound. Raw metrics, queries, and credentials never leave. | You run the platform (self-hosted or cloud) and send your telemetry into it. Observer instead reads telemetry where it already lives. |
| Per-customer status | One probe can publish a different verdict per customer, with per-customer SLO targets, subscribers, and access (Pro). | Public and private status pages; per-customer SLO verdicts are not the model. |
| Pricing model | Flat per tier, no per-seat or per-subscriber fees. Free, $19, $79, then Enterprise. | Free when self-hosted; the cloud is priced per user. Flat, with unlimited monitors. |
| Open source & engineer surface | Open-source agent (Apache 2.0), public API, MCP server, and AI-assistant skills. | Open source (Apache 2.0), self-hostable, full API. The broadest scope of the group. |
FAQ
Frequently asked.
- Is Observer a OneUptime alternative?
- For the status-page use case, yes. OneUptime is a whole platform you host; Observer is a focused status page that reads the metrics you already collect.
- Do I have to self-host Observer like OneUptime?
- No. Observer's control plane is hosted; only the lightweight agent runs in your network, and it pushes verdicts outbound, not raw data.
- Does Observer ingest logs and traces like OneUptime?
- Observer reads metrics and log-derived metrics to compute status. It is not a full logs and traces store; it sits on top of the observability stack you already run.