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BitBoxApp vs MetroVault: catalog facts
BitBoxApp	MetroVault
Best for: BitBox hardware wallet owners managing Bitcoin and Ethereum	Best for: Bitcoin holders who want cold storage without buying a hardware wallet
Free The app is free; it requires a BitBox hardware wallet bought separately.	Free Free and open source under the GPL-3.0 licence.
Windows, macOS, Linux, Android, iOS	Android
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	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
Only useful with a BitBox hardware wallet Supports a limited set of coins	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
Downloadable app	Downloadable app
Open source	Open source
License not stated	License: GPL-3.0-or-later
No account needed	No account needed
Not stated if it works offline	Offline features available
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	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

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