# prometheus vs unleash

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

| | prometheus | unleash |
|---|---|---|
| Score | 90/100 ✓ | 75/100 |
| Rank in category | #1 of 104 in Monitoring & observability | #1 of 8 in Feature Flags |
| GitHub stars | 66 847 ✓ | 13 912 |
| Stars, last 30 days | +635 ✓ | +86 |
| Stable releases, 12 months | 16 ✓ | 15 |
| Latest release | v3.15.1 · 21 Oct 2026 | v8.3.0 · 27 Oct 2026 ✓ |
| Setup | Moderate | Easy ✓ |
| Official Docker image | Yes | Yes |
| License | Apache-2.0 | AGPL-3.0 |
| Main language | Go | Typescript |

## Which one should you pick?

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

prometheus ships more often: 16 stable releases in the past year, against 15 for unleash.

If you want the quickest setup, unleash is easier to run; prometheus needs more configuration.

prometheus is growing faster right now (+635 stars in 30 days).

## Details

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

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