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MultiPatch review

Free#10 of 20 in ROM Patching Software

A free, open-source macOS patcher with broad format support and GUI or scripting workflows.

6.8/10Editor score
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

MultiPatch is a macOS utility for applying and creating patches for files such as ROM images. It supports seven application formats—IPS, UPS, PPF, XDelta, BSDiff, BPS, and Ninja2—and creates five: IPS, BPS, XDelta, PPF, and BSDiff. Automatic format detection by file extension reduces the need to select a patch type manually. The product is aimed at Mac users who work with varied patch formats and want both a graphical application and a scripting option.

Its main strength is format coverage. MultiPatch handles common patching workflows in one application, while BPS support extends to both linear and delta patch creation. XDelta checksum validation adds a verification step for supported patches. The graphical patch-application workflow suits users who prefer a visual process, and the basic command-line version supports scripting for repeatable tasks. macOS dark-mode support is also included. Together, these features make MultiPatch a focused utility rather than a general file-management application.

MultiPatch is free and open source, released under the GPL, with support for macOS 10.9 and later. There are no paid tiers to compare, so the decision centers on platform and workflow fit. Mac users who need to apply or create several ROM patch formats should find its scope well aligned with that work. Users on other platforms should choose a different tool, and those seeking a more advanced command-line environment may prefer software with deeper scripting capabilities. MultiPatch is a practical choice when broad patch-format support matters more than cross-platform availability or extensive automation features.

MultiPatch pros and cons

  • Where it wins
    • Applies seven patch families, including IPS, UPS, PPF, XDelta, BSDiff, BPS, and Ninja2.
    • Creates IPS, BPS, XDelta, PPF, and BSDiff patches.
    • Combines a graphical workflow, basic command line, and XDelta checksum validation.
  • Where it doesn't
    • Runs on macOS only.
    • The command-line version is described as basic.
    • It does not include AI features.

MultiPatch fact sheet, pricing and score →

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