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Specter Desktop vs Casa: catalog facts
Specter Desktop	Casa
Best for: Bitcoin holders running their own node and multisig setup	Best for: People holding large amounts of bitcoin who want multisig security and inheritance
Free Free and open source.	Paid Offered through paid memberships listed on its pricing page.
Windows, macOS, Linux	Android, iOS
Multisig wallets with hardware signing devices Connects to your own Bitcoin node All 3 strengths for Specter Desktop Multisig wallets with hardware signing devices Connects to your own Bitcoin node Open source, with companion DIY hardware wallet firmware	Multisig vaults remove single points of failure Inheritance planning built in All 3 strengths for Casa Multisig vaults remove single points of failure Inheritance planning built in Supports bitcoin, ETH and stablecoins
Bitcoin only Assumes familiarity with hardware wallets and running a node	Paid membership More setup than a single-key wallet
Downloadable app	Downloadable app, Hosted service
Open source	Not open source
License: MIT	License not stated
No account needed	Account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Sources for Specter Desktop specter.solutions Catalog checked September 23, 2026	Official website Full listing and sources Sources for Casa casa.io Catalog checked October 2, 2026

“Not stated” means we have not confirmed it. Features can vary by device and plan.