UltimMC

Place

#61 of 76

Chart

Score

6.2

The facts below are what the maker publishes about UltimMC, checked and dated. Our editors have not written about it yet.

Plans and prices

From UltimMC's own pricing page, checked 12 Oct 2026.

Plan	Price	What it gives you
UltimMC	Free	No paid plans or usage limits stated

Each one read from UltimMC's own pages, with the date it was checked.

Account options: The setup instructions describe adding a local account with a chosen username or adding an Ely.by account using an email and password.checked 12 Oct 2026
Automatic updates: Nochecked 22 Sep 2026
Build source: The project says its available builds are taken directly from its GitHub Actions.checked 12 Oct 2026
Microsoft authentication: The project says it includes an MSA API key for Microsoft authentication and asks forks to remove the key or set their own.checked 12 Oct 2026
Organization: The UltimMC GitHub organization describes itself as dedicated to developing UltimMC and related software.checked 12 Oct 2026
Project origin: The project is a fork of MultiMC.checked 12 Oct 2026
Purpose: UltimMC is a custom Minecraft launcher for managing multiple instances and using offline accounts while keeping as close as possible to the original.checked 12 Oct 2026
Separate instances: Yeschecked 22 Sep 2026
Support: Users can create a repository issue for problems specific to UltimMC; the README says not to contact the main MultiMC developers about problems with this launcher.checked 12 Oct 2026
Update process: Updating currently involves replacing replaceable files and folders with newer downloads; the project says a better update system is in the works.checked 12 Oct 2026
Warranty: The software is provided without any warranty.checked 12 Oct 2026

Linux support: A 64-bit Linux download is available, along with a .deb package for Debian and Ubuntu and an AUR package.checked 12 Oct 2026
macOS support: A macOS download is available for macOS 10.14 and newer.checked 12 Oct 2026
Windows support: Direct downloads are available for 32-bit and 64-bit Windows.checked 12 Oct 2026