# Prometheus Blackbox Exporter vs Uptime Kuma

**Leader by Vioscale score:** Uptime Kuma

| Attribute | Prometheus Blackbox Exporter | Uptime Kuma |
|---|---|---|
| **Vioscale score** | 47.2 (55% (medium)) | 56.5 (40% (low)) |
| activity.commits_last_30d | 13 | 64 |
| adoption.dependent_repos | 17 | 2 |
| adoption.github_stars | 5,841 | 90,643 |
| deployment.options | `{"self_hosted":true}` | `{"self_hosted":true}` |
| description.long | An open-source exporter for Prometheus that monitors the health and responsiveness of network services by sending test requests over HTTP, HTTPS, DNS, TCP, ICMP, and gRPC protocols. Results are exposed as metrics for collection by Prometheus. | An open-source application for monitoring website uptime and checking service health. Designed to be deployed on your own infrastructure via Docker or traditional server setups. |
| integrations.count | 1 | - |
| integrations.list | `[{"name":"Prometheus"}]` | - |
| language.primary | Go | JavaScript |
| license.spdx | Apache-2.0 | MIT |
| platform.support | `{"cli":true,"linux":true}` | - |
| pricing | `{"type":"open_source","summary":"Open-source (no licensing cost)","freeTier":true,"sourceUrl":"https://github.com/pricing","retrievedAt":"2026-08-17T21:36:10.400Z"}` | `{"type":"open_source","freeTier":true,"sourceUrl":"https://uptime.kuma.pet","retrievedAt":"2026-08-18T12:21:28.490Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | commercial | open_source |
| pricing.price_level | free | free |
| pricing.transparent | yes | - |
| release.cadence_days | 122 | 8 |
| release.history | `[{"url":"https://github.com/prometheus/blackbox_exporter/releases/tag/v0.28.0","date":"2025-12-06T13:32:18Z","type":"stable","version":"v0.28.0"},{"url":"https://github.com/prometheus/blackbox_exporter/releases/tag/v0.27.0","date":"2025-06-30T13:45:33Z","type":"stable","version":"v0.27.0"},{"url":"https://github.com/prometheus/blackbox_exporter/releases/tag/v0.26.0","date":"2025-02-26T13:51:24Z","type":"stable","version":"v0.26.0"},{"url":"https://github.com/prometheus/blackbox_exporter/releases/tag/v0.25.0","date":"2024-04-09T13:30:07Z","type":"stable","version":"v0.25.0"},{"url":"https://github.com/prometheus/blackbox_exporter/releases/tag/v0.24.0","date":"2023-05-16T11:23:32Z","type":"stable","version":"v0.24.0"},{"url":"https://github.com/prometheus/blackbox_exporter/releases/tag/v0.23.0","date":"2022-12-02T20:59:12Z","type":"stable","version":"v0.23.0"},{"url":"https://github.com/prometheus/blackbox_exporter/releases/tag/v0.22.0","date":"2022-08-02T14:26:18Z","type":"stable","version":"v0.22.0"},{"url":"https://github.com/prometheus/blackbox_exporter/releases/tag/v0.21.1","date":"2022-06-23T16:09:59Z","type":"stable","version":"v0.21.1"},{"url":"https://github.com/prometheus/blackbox_exporter/releases/tag/v0.21.0","date":"2022-05-30T15:06:39Z","type":"stable","version":"v0.21.0"},{"url":"https://github.com/prometheus/blackbox_exporter/releases/tag/v0.21.0-rc.0","date":"2022-05-11T11:14:26Z","type":"prerelease","version":"v0.21.0-rc.0"},{"url":"https://github.com/prometheus/blackbox_exporter/releases/tag/v0.20.0","date":"2022-03-16T23:52:31Z","type":"stable","version":"v0.20.0"},{"url":"https://github.com/prometheus/blackbox_exporter/releases/tag/v0.20.0-rc.0","date":"2022-02-17T20:34:32Z","type":"prerelease","version":"v0.20.0-rc.0"},{"url":"https://github.com/prometheus/blackbox_exporter/releases/tag/v0.19.0","date":"2021-05-10T13:18:25Z","type":"stable","version":"v0.19.0"},{"url":"https://github.com/prometheus/blackbox_exporter/releases/tag/v0.18.0","date":"2020-10-12T10:13:15Z","type":"stable","version":"v0.18.0"},{"url":"https://github.com/prometheus/blackbox_exporter/releases/tag/v0.17.0","date":"2020-06-19T12:14:41Z","type":"stable","version":"v0.17.0"},{"url":"https://github.com/prometheus/blackbox_exporter/releases/tag/v0.16.0","date":"2019-11-11T18:16:56Z","type":"stable","version":"v0.16.0"},{"url":"https://github.com/prometheus/blackbox_exporter/releases/tag/v0.15.1","date":"2019-09-17T12:52:04Z","type":"stable","version":"v0.15.1"},{"url":"https://github.com/prometheus/blackbox_exporter/releases/tag/v0.15.0","date":"2019-09-11T13:09:12Z","type":"stable","version":"v0.15.0"},{"url":"https://github.com/prometheus/blackbox_exporter/releases/tag/v0.14.0","date":"2019-03-15T13:49:41Z","type":"stable","version":"v0.14.0"},{"url":"https://github.com/prometheus/blackbox_exporter/releases/tag/v0.13.0","date":"2018-12-04T15:20:50Z","type":"stable","version":"v0.13.0"}]` | `[{"url":"https://github.com/louislam/uptime-kuma/releases/tag/2.5.3","date":"2026-08-22T09:20:48Z","type":"stable","version":"2.5.3"},{"url":"https://github.com/louislam/uptime-kuma/releases/tag/2.5.2","date":"2026-08-22T08:44:26Z","type":"stable","version":"2.5.2"},{"url":"https://github.com/louislam/uptime-kuma/releases/tag/2.5.1","date":"2026-08-22T06:50:57Z","type":"stable","version":"2.5.1"},{"url":"https://github.com/louislam/uptime-kuma/releases/tag/2.5.0","date":"2026-08-01T16:35:53Z","type":"stable","version":"2.5.0"},{"url":"https://github.com/louislam/uptime-kuma/releases/tag/2.4.0","date":"2026-05-31T00:55:12Z","type":"stable","version":"2.4.0"},{"url":"https://github.com/louislam/uptime-kuma/releases/tag/2.3.2","date":"2026-05-03T16:15:29Z","type":"stable","version":"2.3.2"},{"url":"https://github.com/louislam/uptime-kuma/releases/tag/2.3.1","date":"2026-05-03T13:40:11Z","type":"stable","version":"2.3.1"},{"url":"https://github.com/louislam/uptime-kuma/releases/tag/2.3.0","date":"2026-05-01T04:01:17Z","type":"stable","version":"2.3.0"},{"url":"https://github.com/louislam/uptime-kuma/releases/tag/2.2.1","date":"2026-03-10T02:25:33Z","type":"stable","version":"2.2.1"},{"url":"https://github.com/louislam/uptime-kuma/releases/tag/2.2.0","date":"2026-03-05T02:08:14Z","type":"stable","version":"2.2.0"},{"url":"https://github.com/louislam/uptime-kuma/releases/tag/2.1.3","date":"2026-02-19T05:37:30Z","type":"stable","version":"2.1.3"},{"url":"https://github.com/louislam/uptime-kuma/releases/tag/2.1.2","date":"2026-02-19T05:09:11Z","type":"stable","version":"2.1.2"},{"url":"https://github.com/louislam/uptime-kuma/releases/tag/2.1.1","date":"2026-02-13T16:07:33Z","type":"stable","version":"2.1.1"},{"url":"https://github.com/louislam/uptime-kuma/releases/tag/2.1.0","date":"2026-02-07T02:31:49Z","type":"stable","version":"2.1.0"},{"url":"https://github.com/louislam/uptime-kuma/releases/tag/2.1.0-beta.3","date":"2026-01-22T13:01:00Z","type":"prerelease","version":"2.1.0-beta.3"},{"url":"https://github.com/louislam/uptime-kuma/releases/tag/2.1.0-beta.2","date":"2026-01-14T02:45:36Z","type":"prerelease","version":"2.1.0-beta.2"},{"url":"https://github.com/louislam/uptime-kuma/releases/tag/2.1.0-beta.1","date":"2026-01-05T02:02:30Z","type":"prerelease","version":"2.1.0-beta.1"},{"url":"https://github.com/louislam/uptime-kuma/releases/tag/2.1.0-beta.0","date":"2025-12-20T04:38:35Z","type":"prerelease","version":"2.1.0-beta.0"},{"url":"https://github.com/louislam/uptime-kuma/releases/tag/2.0.2","date":"2025-10-22T17:03:54Z","type":"stable","version":"2.0.2"},{"url":"https://github.com/louislam/uptime-kuma/releases/tag/2.0.1","date":"2025-10-20T16:11:12Z","type":"stable","version":"2.0.1"}]` |
| security.scorecard | 7 | - |
| security.vulnerabilities | `{"count":1,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=go&package_name=github.com%2Fprometheus%2Fblackbox_exporter&per_page=100","last_12m":0,"max_severity":"HIGH"}` | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=go&package_name=github.com%2Flouislam%2Fuptime-kuma&per_page=100","last_12m":0,"max_severity":null}` |

## Capabilities (API Monitoring)

| Capability | Prometheus Blackbox Exporter | Uptime Kuma |
|---|:--:|:--:|
| **Capabilities** |  |  |
| Multi region probes | - | - |
| Private location agent | - | - |
| Status page hosting | - | - |
| Json schema assertions | - | - |
| Monitoring as code | - | - |
| Multistep API flows | - | - |
| Heartbeat deadmans switch | - | - |
| Self hostable | - | - |

*Source: Vioscale. Generated 2026-09-01T15:14:45.854Z. "-" = undocumented, not absent.*