Side by side
Justice Client vs UltimMC
Both stand on minecraft launchers. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan LinuxWindows
Justice Client provides a free launcher with built-in performance mods, mod-platform search, and social features. Its current downloads target Windows and Linux, while macOS users must wait for development to finish.
Visit Justice Client Free plan LinuxMacWindows
UltimMC provides a no-cost launcher with broad desktop support and separate-instance management. Manual updating and repository issue support are important parts of its current use.
Visit UltimMCThe facts
| Justice Client | UltimMC | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | Linux, Windows | Linux, Mac, Windows |
| Lowest paid plan | 100 points: $1, paid once | Free or on request |
| Plans published | 7 | 1 |
| Maker | Not published | Not published |
| Website | justiceclient.org | github.com |
| On minecraft launchers | #54 of 76 | #50 of 76 |
Justice Client: what it does well
- Includes Java and enabled performance mods
- Supports Fabric, Forge, NeoForge, and Vanilla
- Searches Modrinth and CurseForge
- Offers profile-based mod controls
- Includes messaging and party invites
What to know first
- macOS version is still in development
- Requires a legitimate Minecraft copy
- Users must meet applicable minimum age
- Point purchases cost extra
UltimMC: what it does well
- Free and open source
- Manages multiple separate instances
- Supports offline accounts
- Runs on Linux, macOS, and Windows
- Offers several Linux package formats
What to know first
- Automatic updates are unavailable
- Updates require replacing files and folders
- Provided without warranty
- macOS requires version 10.14 or newer
Alternatives to Justice Client Alternatives to UltimMC The whole list