Refract vs Spectra Launcher

Refract9.2Visit SLSpectra Launcher9.1Visit

Higher score Refract #3 in Minecraft Launchers 9.2/10 Free plan Free plan✓ 4 of 4 features Visit Refract

vs

SL Spectra Launcher #4 in Minecraft Launchers 9.1/10 Free plan Free plan✓ 4 of 4 features Visit Spectra

• Refract fits best

  Users migrating from other launchers

• Spectra Launcher fits best

  Polished instance and content workflows

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Side by side

Feature	Refract 9.2/10 Visit ↗	SLSpectra Launcher 9.1/10 Visit ↗
At a glance
Editor score	9.2	9.1
Ranking	#3 in Minecraft Launchers	#4 in Minecraft Launchers
Best for	Users migrating from other launchers	Polished instance and content workflows
Pricing model	Free	Free
Starting price	Free plan	Free plan
Free plan	✓	✓
Free trial	—	—
Deployment	Desktop	Desktop
Platforms	Windows, macOS, Linux	Windows, macOS, Linux
Integrations	3 integrations	3 integrations
Features Refract 4/4 · Spectra Launcher 4/4
Separate instances	✓	✓
Java runtime management	✓	✓
Built-in modpack catalog	✓	✓
Automatic updates	✓	✓
Specs
Desktop OS support	Not checked yet	Not checked yet
Modpack import	Both	Both
Mod loader support	Multiple	Multiple
Our review
Pros	Imports libraries from six established Minecraft launchers Supports Modrinth, CurseForge, and FTB content sources Manages instances, Java runtimes, worlds, backups, and servers	Create and organize isolated instances with multiple loader options Browse and install mods, shaders, and packs from Modrinth and CurseForge Import launcher instances and export .mrpack or .zip backups
Cons	Desktop-only support for Windows, macOS, and Linux Its broad feature set may be more than casual players need GPL v3.0 licensing may not suit proprietary software preferences	Limited to Windows, macOS, and Linux desktop builds Account support is limited to Microsoft/Xbox and offline accounts Instance management may be more than needed for a basic launcher
Our verdict	Refract is an open-source Minecraft launcher for desktop players who want separate, isolated instances alongside tools for mods, modpacks, worlds, servers, screenshots, logs, and Java runtimes. It is especially well suited to users… Read the review →	Spectra Launcher is a free, open-source desktop launcher for Minecraft, aimed at players who manage multiple versions, modded setups, or content packs. It keeps game instances isolated and provides controls to create, copy, rename, delete,… Read the review →

Strengths and trade-offs

• Refract — where it wins

  • Imports libraries from six established Minecraft launchers
  • Supports Modrinth, CurseForge, and FTB content sources
  • Manages instances, Java runtimes, worlds, backups, and servers

  Where it doesn't

  • Desktop-only support for Windows, macOS, and Linux
  • Its broad feature set may be more than casual players need
  • GPL v3.0 licensing may not suit proprietary software preferences

• Spectra Launcher — where it wins

  • Create and organize isolated instances with multiple loader options
  • Browse and install mods, shaders, and packs from Modrinth and CurseForge
  • Import launcher instances and export .mrpack or .zip backups

  Where it doesn't

  • Limited to Windows, macOS, and Linux desktop builds
  • Account support is limited to Microsoft/Xbox and offline accounts
  • Instance management may be more than needed for a basic launcher

• Refract9.2/10 · Free plan

  A broad, free launcher for players moving libraries and modpacks from other launchers.

  Visit RefractFull verdict →
• SLSpectra Launcher9.1/10 · Free plan

  A free, open-source launcher with strong instance, mod, and modpack workflows.

  Visit SpectraFull verdict →