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UniPatcher vs Delta Patcher: catalog facts
UniPatcher	Delta Patcher

Best for: Android emulator users applying translation or hack patches to ROMs	Best for: Applying or creating xdelta patches through a GUI
Free Free and open source under the GPL-3.0-or-later licence.	Free Free and open source under the GPL-2.0 licence.
Android	Linux
Patches ROMs directly on the phone Useful for applying fan translations and hacks	Both creates and applies xdelta patches Self-contained, no xdelta3 dependency Graphical interface instead of command line
You need to supply both the ROM and the patch yourself Android only	Only handles the xdelta patch format No separate project website or documentation
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0-or-later	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 UniPatcher github.com/btimofeev/UniPatcher f-droid.org/packages/org.emunix.unipatcher Catalog checked October 2, 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.