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Flips vs Delta Patcher: catalog facts
Flips	Delta Patcher

Best for: Applies and creates IPS and BPS patches for ROM files	Best for: Applying or creating xdelta patches through a GUI
Free The software is free under its open-source licence. Hosting, hardware and external services are separate.	Free Free and open source under the GPL-2.0 licence.
Windows, Linux	Linux
It handles both patch formats in one small program, can create a patch by comparing two files, and works from a window or the command line.	Both creates and applies xdelta patches Self-contained, no xdelta3 dependency Graphical interface instead of command line
It only manipulates patch files; you must supply the original ROM yourself, which is where the legal questions live.	Only handles the xdelta patch format No separate project website or documentation
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License: GPL-2.0
Not stated if an account is needed	No account needed
Not stated if it works offline	Offline features available
Official website Full listing and sources Sources for Flips github.com/Alcaro/Flips Catalog checked September 22, 2026	Official website Full listing and sources Sources for Delta Patcher github.com/marco-calautti/DeltaPatcher Catalog checked October 1, 2026

“Not stated” means we have not confirmed it. Features can vary by device and plan.