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Head-to-head · Minecraft Modpack Builders

Prism Launcher vs packwiz

  • Updated Sep 2026
  • Both researched from official sources
  • 5 checks side by side
Higher score Prism Launcher #2 in Minecraft Modpack Builders 8.2/10 Free · open source (GPL-3.0) Free plan✓ 1 of 4 features Get Prism Launcher
packwiz #6 in Minecraft Modpack Builders 6.9/10 Free · open source (MIT) Free plan✓ 1 of 4 features Get packwiz

Prism Launcher leads on 0 checks, packwiz on 0, and 5 are even. Who comes out ahead on the 5 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scorePrism Launcher · 8.2/10
  • Free planboth

Prism Launcher scores higher on our rubric for minecraft modpack builders: 8.2 against 6.9 out of 10; our editors rank them #2 and #6.

Prism Launcher is the better fit for players who build packs across several platforms. packwiz is the better fit for pack authors and server owners who use git.

  • Prism Launcher fits best

    Players who build packs across several platforms

  • packwiz fits best

    Pack authors and server owners who use git

Advertiser disclosure: iTechGuides is reader-supported. We may earn a commission when you click some links. How we rank.

Side by side

Feature Prism Launcher 8.2/10 Visit ↗ packwiz 6.9/10 Visit ↗
At a glance
Editor score 8.2 6.9
Ranking #2 in Minecraft Modpack Builders #6 in Minecraft Modpack Builders
Best for Players who build packs across several platforms Pack authors and server owners who use git
Pricing model Free Free
Starting price Not published Not published
Free plan ✓ ✓
Free trial — —
Features Prism Launcher 1/4 · packwiz 1/4
Built-in publishing — —
Server tools Not published —
Share by code — Not published
Open source ✓ ✓
Specs
Runs on Windows, macOS, Linux Command line
Mod & pack sources CurseForge, Modrinth, Technic, FTB, ATLauncher CurseForge, Modrinth
Export formats Modrinth .mrpack, CurseForge .zip CurseForge .zip, Modrinth .mrpack
Our review
Pros
  • Installs packs from CurseForge, Modrinth, Technic, FTB and ATLauncher
  • Exports instances as Modrinth .mrpack or CurseForge modpack files
  • Lightweight Qt app for Windows, macOS and Linux with custom themes
  • TOML metadata files version cleanly in git instead of raw JAR files
  • Exports CurseForge and Modrinth packs and imports CurseForge ones
  • packwiz-installer keeps MultiMC or ATLauncher instances auto-updated
Cons
  • Some CurseForge packs need files downloaded manually in a browser
  • No hosting, share-code or publishing service of its own
  • Publishing means uploading the exported file to a platform yourself
  • Command line only; the docs point GUI users to third-party efforts
  • No installer; builds come from CI artefacts or compiling with Go
  • Auto-updating distribution needs an HTTP server you host
Our verdict

Prism Launcher began in 2022 as a fork of MultiMC over packaging and redistribution concerns, and it has grown into one of the most capable free launchers for people who assemble their own packs. Each instance is isolated with its own…

Read the review →

packwiz treats a modpack as source code. Instead of a folder of JAR files, a pack is a set of TOML metadata files describing each mod and where it comes from, so the whole pack can live in a git repository, be reviewed like any other…

Read the review →
  1. Prism LauncherMinecraft Modpack Builders 8.2Free · open source (GPL-3.0)
  2. packwizMinecraft Modpack Builders 6.9Free · open source (MIT)

Strengths and trade-offs

  • Prism Launcher — where it wins

    • Installs packs from CurseForge, Modrinth, Technic, FTB and ATLauncher
    • Exports instances as Modrinth .mrpack or CurseForge modpack files
    • Lightweight Qt app for Windows, macOS and Linux with custom themes

    Where it doesn't

    • Some CurseForge packs need files downloaded manually in a browser
    • No hosting, share-code or publishing service of its own
    • Publishing means uploading the exported file to a platform yourself

  • packwiz — where it wins

    • TOML metadata files version cleanly in git instead of raw JAR files
    • Exports CurseForge and Modrinth packs and imports CurseForge ones
    • packwiz-installer keeps MultiMC or ATLauncher instances auto-updated

    Where it doesn't

    • Command line only; the docs point GUI users to third-party efforts
    • No installer; builds come from CI artefacts or compiling with Go
    • Auto-updating distribution needs an HTTP server you host
  • Prism Launcher8.2/10 · Free · open source (GPL-3.0)

    Free and open source, pulls packs from six sources and exports your own as .mrpack or a CurseForge zip.

    Get Prism LauncherFull verdict →
  • packwiz6.9/10 · Free · open source (MIT)

    Modpacks as code: TOML metadata in git, auto-updating installs for servers, and exports to both platforms.

    Get packwizFull verdict →

More comparisons

All minecraft modpack builders comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Sep 2026

Last updated · How we research and update