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MetroVault vs BitBoxApp: catalog facts
MetroVault	BitBoxApp
Best for: Bitcoin holders who want cold storage without buying a hardware wallet	Best for: BitBox hardware wallet owners managing Bitcoin and Ethereum
Free Free and open source under the GPL-3.0 licence.	Free The app is free; it requires a BitBox hardware wallet bought separately.
Android	Windows, macOS, Linux, Android, iOS
Keys stay on an offline device PSBT signing over QR codes All 4 strengths for MetroVault Keys stay on an offline device PSBT signing over QR codes Multi-signature and Silent Payments support Reproducible builds on F-Droid	Keys stay on the hardware wallet Built-in buy, sell and non-custodial swap All 3 strengths for BitBoxApp Keys stay on the hardware wallet Built-in buy, sell and non-custodial swap Lightning support on mobile
Needs a separate phone kept offline for real air-gapping Requires a watch-only wallet on another device All 3 limitations for MetroVault Needs a separate phone kept offline for real air-gapping Requires a watch-only wallet on another device Small project with a single main developer	Only useful with a BitBox hardware wallet Supports a limited set of coins
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0-or-later	License not stated
No account needed	No account needed
Offline features available	Not stated if it works offline
Official website Full listing and sources Sources for MetroVault metrovault.app github.com/gorunjinian/MetroVault f-droid.org/packages/com.gorunjinian.metrovault Catalog checked October 2, 2026	Official website Full listing and sources Sources for BitBoxApp bitbox.swiss/app play.google.com/store/apps/details apps.apple.com/us/app/bitboxapp/id6670479223 Catalog checked October 1, 2026

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