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BGB vs mGBA: catalog facts
BGB	mGBA
Free Free to download.	Free Free and open source under the MPL 2.0.
Windows	Windows, macOS, Linux
High emulation accuracy based on test ROM research Built-in debugger for ROM development	Accurate enough for the awkward cartridges: motion, solar and clock hardware Full speed on low-end machines, including netbooks
Windows only, with other systems relying on Wine Closed source	Game Boy Advance and earlier only; no DS or later Link cable play only works between instances on the same computer
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: MPL-2.0
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked September 21, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.