Radarr
Movie organizer/manager for usenet and torrent users.
Sonarr
Smart PVR for newsgroup and bittorrent users.
Side-by-side comparison
| Dimension | Radarr | Sonarr |
|---|---|---|
| Category | Media Automation (PVR) | Media Automation (PVR) |
| License | GPL-3.0 | GPL-3.0 |
| Primary language | C# | C# |
| GitHub stars | 14,650 | ▲17,429 |
| GitHub forks | 1,244 | ▲2,067 |
| Open issues | 736 | 86 |
| Docker pulls | Not documented | Not documented |
| Latest version | v6.4.4.10685 | v4.0.20.3014 |
| Platforms with an official client | 1 — Web | 1 — Web |
| Third-party clients | 0 | 0 |
| Deployment methods | 3 | 3 |
| Data last verified | Oct 26, 2026 | Oct 26, 2026 |
▲ = leads on countable metrics only (stars, forks, Docker pulls, official-client platforms, third-party clients, deployment methods). License, language, latest version, open issues and verification dates are shown side by side without a verdict — they are facts, not scores. Verification state per platform is on each app profile page.
Where each side leads
Where Radarr leads0
No countable metric where Radarr is ahead of Sonarr in the database.
Where Sonarr leads2
- GitHub stars — 17,429
- GitHub forks — 2,067
Pricing
Radarr
Not documented
The schema has no pricing or paid-tier field, so no price is claimed for this app.
Sonarr
Not documented
The schema has no pricing or paid-tier field, so no price is claimed for this app.
Licence (GPL-3.0 vs GPL-3.0) is the only cost-related field the database records, and it is a fact rather than a price.
Frequently asked questions
Is Radarr open source?
Radarr is licensed under GPL-3.0, verified Oct 26, 2026.
Is Sonarr open source?
Sonarr is licensed under GPL-3.0, verified Oct 26, 2026.
Which one has more GitHub stars?
Radarr has 14,650 stars and Sonarr has 17,429, both captured Oct 26, 2026.
Can I run Radarr with Docker?
Yes. 1 Docker image recorded: linuxserver/radarr.
Can I run Sonarr with Docker?
Yes. 1 Docker image recorded: linuxserver/sonarr.
How much RAM do they need?
Not documented. The database schema has no memory-usage field yet, so this site does not claim a RAM figure for either app.