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Rompatcher vs UniPatcher

Both stand on rom patching software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.

Rompatcher

Free plan LinuxWindows

Rompatcher covers a broad list of patch formats and includes optional checksums and write rollback. Its listed platforms are Linux and Windows, with source installation documented through Cargo.

Visit Rompatcher

UniPatcher

Free plan Android

UniPatcher provides ROM patching and several format-specific utilities on Android. Make sure the target is an older console ROM and unzip compressed files before using them.

Visit UniPatcher

The facts

RompatcherUniPatcher
Free planYesYes
Open sourceNot publishedNot published
Runs onLinux, WindowsAndroid
Lowest paid planFree or on requestNot published
Plans published1None
MakerNot publishedNot published
Websitegithub.comgithub.com
On rom patching software#13 of 20#17 of 20

Rompatcher: what it does well

  • Automatically detects patch formats.
  • Optional checksums support CRC32, Adler32, and MD5.
  • Writes can roll back on error.
  • Free, with no usage limits stated.

What to know first

  • Installation instructions use Cargo to build from source.
  • Only Linux and Windows are listed.
  • No integrations beyond RetroAchievements are listed.

UniPatcher: what it does well

  • Supports a range of ROM patch formats, including XDelta3.
  • Can create XDelta patches.
  • Can fix Genesis checksums and remove SNES headers.
  • Privacy policy says personal and location data are not collected or transmitted.

What to know first

  • Not suitable for patching native Android games.
  • Compressed ROMs and patches must be unzipped first.

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