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Electrum vs Electrum-GRS: catalog facts
Electrum	Electrum-GRS
Free Free and open-source software.	Free Free and open source under GPL-3.0.
Windows, macOS, Linux, Android	Windows, macOS, Linux, Android
Reproducible builds signed by several independent builders Available on desktop and Android, including F-Droid	Does not require downloading the full blockchain Supports multisignature wallets
Bitcoin only, no other coins No iOS version	For Groestlcoin only
Downloadable app	Downloadable app
Open source	Open source
License not stated	License: GPL-3.0
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked October 8, 2026

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