---
title: "Prism Launcher Vs Feather Lunar Badlion — Speed, Mods & Privacy Comparison"
description: "PvP clients lock you into proprietary mod menus and cosmetic shops; Prism Launcher gives you open-source freedom to build faster Fabric + Sodium + Iris instances for free. Compare startup speed, RAM usage, CurseForge + Modrinth support, and open-source features."
canonical: https://prismlauncher.ink/compare/prism-launcher-vs-feather-lunar-badlion
updated: 2026-10-17
---

# Prism Launcher vs Lunar Client / Feather / Badlion

PvP clients lock you into proprietary mod menus and cosmetic shops; Prism Launcher gives you open-source freedom to build faster Fabric + Sodium + Iris instances for free.

## Facts (2026-10-17)

- **Compared Against:** Lunar Client / Feather / Badlion
- **Prism License:** GPL-3.0 Open Source (Zero Ads)
- **Mod Sources:** Modrinth, CurseForge, FTB, Technic, ATLauncher
- **Windows Build:** Available at /download

## Prism Launcher vs Lunar Client / Feather / Badlion Feature Matrix

| Feature | Prism Launcher (Windows) | Lunar Client / Feather / Badlion |
| --- | --- | --- |
| Custom mod compatibility | Unlimited (Fabric, NeoForge, Forge, Quilt) | Locked or restricted mod list |
| FPS on modern Minecraft 1.21 | Higher with Fabric + Sodium + Lithium | Comparable |
| Open-source code | Yes (GPLv3) | Closed-source proprietary |
| Modpack support (ATM10, RLCraft, Cobblemon) | Full support | Not supported |

## How Prism Launcher compares to Lunar Client / Feather / Badlion

PvP clients lock you into proprietary mod menus and cosmetic shops; Prism Launcher gives you open-source freedom to build faster Fabric + Sodium + Iris instances for free.

**Where Prism Launcher wins:** 100% open-source, compatible with every Forge/NeoForge/Fabric mod ever made, zero cosmetic microtransactions.

**Where Lunar Client / Feather / Badlion fits:** Pre-bundled 1.8.9 PvP HUD overlays for Hypixel minigames.

## Migrating your existing worlds and modpacks on Windows

Switching from Lunar Client / Feather / Badlion to Prism Launcher takes less than two minutes. Install Prism Launcher from [/download](https://prismlauncher.ink/download), sign in with your Microsoft account, and copy your `saves/`, `screenshots/`, and `options.txt` into your new instance folder (or use **Import** for MultiMC, `.mrpack`, or ZIP archives).

## FAQ

### Can I keep Lunar Client / Feather / Badlion installed while testing Prism Launcher?

Yes. Prism Launcher stores its instances inside its own `%AppData%\PrismLauncher` directory (or Portable folder) and never touches your other launchers' files.

### Does Prism Launcher show ads or run background services?

Never. Prism Launcher is a community-run GPLv3 project with zero ads, zero paywalls, and no background bloatware.

## Related

- [Prism Launcher vs Other Minecraft Launchers](https://prismlauncher.ink/compare)
- [Prism Launcher Download & Install Guide for Windows 10 & 11](https://prismlauncher.ink/setup/prism-launcher-windows-download-install)
- [How to Copy Worlds, Screenshots & Servers from the Official Launcher to Prism](https://prismlauncher.ink/setup/migrate-saves-from-official-minecraft-launcher)
- [Prism Launcher Modpacks & Mod Downloader](https://prismlauncher.ink/modpacks)
- [Prism Launcher vs Official Mojang / Microsoft Minecraft Launcher](https://prismlauncher.ink/compare/prism-launcher-vs-official-minecraft-launcher)

## Download

Free and open source: [Download Prism Launcher](https://prismlauncher.ink/download)

Markdown mirror: https://prismlauncher.ink/compare/prism-launcher-vs-feather-lunar-badlion.md