flips.rs

At a glance

• Editor score
  6.4 / 10
• Pricing
  Open source
• Best for
  Developers needing a lightweight Rust patch library
• Paid from
  Free
• Facts checked
  21 Sep 2026

• Where it wins

  • Supports applying IPS, BPS, and UPS patches
  • Creates IPS and BPS patches with BPS metadata support
  • Offers Rust and optional no_std APIs for byte-source patching

• Where it doesn't

  • It is a library, not a standalone graphical application
  • It is a library, not a standalone command-line application
  • The documented crate version, 0.2.1, was released in 2020

Our verdict on flips.rs

flips.rs is an open-source Rust library providing bindings to Flips, the Floating IPS ROM patcher. It is intended for developers who need to apply or create ROM patches programmatically rather than use a graphical or command-line application. The library covers the IPS, BPS, and UPS formats, with APIs for patching byte sources and creating IPS or BPS patches. Its focus is narrow and practical: integrating ROM patch operations into Rust software.

Format support is the main strength. flips.rs can apply IPS, UPS, and BPS patches, create IPS and BPS patches, and handle BPS metadata. CRC32 processing is included for BPS and UPS operations, while checksum verification is listed for the supported patch formats. These capabilities make the library suitable for tools or workflows that need patch creation and application within code, without expanding into a broader ROM-management application.

The Rust API can compile with the standard library or in optional no_std mode, giving developers a choice of runtime environment when integrating patching into a project. The documented crate version is 0.2.1, released in 2020, so teams should consider the project's maintenance timeline when evaluating it for new work. flips.rs fits developers who want a focused Rust interface for IPS, BPS, and UPS operations; users seeking a standalone graphical or command-line patcher should choose a different type of tool.

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flips.rs pricing

flips.rs fact sheet

Alternatives to flips.rs

• rom-weaverA free, open-source ROM toolkit for broad format support and scripted workflows.7.9
• EZ ROM PatcherA free, broad-format ROM patcher that keeps processing local in the browser.7.8
• Rom Patcher JSA free, open-source patcher with broad format support and Node.js access.7.7

See all flips.rs alternatives →

Featured on iTechGuides

flips.rs is listed in our ROM Patching Software directory. Add the badge to your site — it links back to this page.

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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

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Last updated 7 Oct 2026 · How we research and update