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Sparrow Wallet vs Bitcoin Keeper: catalog facts
Sparrow Wallet	Bitcoin Keeper
Free Free and open source.	Free Free and open source, with no subscriptions.
Windows, macOS, Linux	Android, iOS
Supports most major hardware wallets for signing Built on open standards like PSBT for interoperability	Guided multisig setup with preset key configurations Inheritance and emergency access planning
Desktop only, no mobile app Interface exposes more technical detail than beginner-friendly wallets	Bitcoin only Multisig setups take more care to back up correctly than a single-key wallet
Downloadable app	Downloadable app
Open source	Open source
License: Apache-2.0	License not stated
Not stated if an account is needed	No account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked October 2, 2026

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