RetromvsUnderstudy
Two self-hosted projects, compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.
| Retrom | Understudy | |
|---|---|---|
| Score | 58/100 | 48/100 |
| Rank in category | #3 of 5 in Emulation | #110 of 209 in AI Agents |
| GitHub stars | 2 100 | 465 |
| Stars, last 30 days | +28 | +0 |
| Stable releases, 12 months | 10 | 0 |
| Latest release | v0.8.4 · 14 Jun 2026 | — |
| Setup | Moderate | Moderate |
| Official Docker image | Yes | No |
| License | GPL-3.0 | MIT |
| Main language | Typescript | Typescript |
Which one should you pick?
Retrom scores 58/100 against 48/100 for Understudy, so it is the safer default.
Retrom ships more often: 10 stable releases in the past year, against 0 for Understudy.
Retrom is growing faster right now (+28 stars in 30 days).
Retrom details →Understudy details →
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