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Bitcoin Keeper vs Nunchuk: catalog facts
Bitcoin Keeper	Nunchuk
Free Free and open source, with no subscriptions.	Freemium Wallet apps are free; inheritance and group plans are paid.
Android, iOS	Android, iOS
Guided multisig setup with preset key configurations Inheritance and emergency access planning	Multisig with broad hardware wallet support Inheritance via on-chain timelocks, no KYC
Bitcoin only Multisig setups take more care to back up correctly than a single-key wallet	Bitcoin only Inheritance features require a paid plan
Downloadable app	Downloadable app
Open source	Closed source
License not stated	License not stated
No account 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 October 2, 2026	Official website Full listing and sources Checked September 23, 2026

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