# koel vs prometheus

> Two self-hosted projects, compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.

| | koel | prometheus |
|---|---|---|
| Score | 75/100 | 90/100 ✓ |
| Rank in category | #1 of 59 in Music Streaming | #1 of 104 in Monitoring & observability |
| GitHub stars | 17 322 | 66 849 ✓ |
| Stars, last 30 days | +59 | +637 ✓ |
| Stable releases, 12 months | 22 ✓ | 16 |
| Latest release | v9.15.0 · 28 Sept 2026 | v3.15.1 · 21 Oct 2026 ✓ |
| Setup | Moderate | Moderate ✓ |
| Official Docker image | No | Yes ✓ |
| License | MIT | Apache-2.0 |
| Main language | PHP | Go |

## Which one should you pick?

prometheus scores 90/100 against 75/100 for koel, so it is the safer default.

koel ships more often: 22 stable releases in the past year, against 16 for prometheus.

prometheus is growing faster right now (+637 stars in 30 days).

## Details

- [koel](https://selfhost.directory/project/koel) (markdown: https://selfhost.directory/project/koel.md)
- [prometheus](https://selfhost.directory/project/prometheus) (markdown: https://selfhost.directory/project/prometheus.md)

---
Source: https://selfhost.directory/compare/koel-vs-prometheus