Bag: Bitcoin Portfolio Monitor

Watch your cold-storage balance without a seed phrase on your phone. Paste a zpub, an output descriptor, or the two lines of Bitkey's wallet export, and Bag tracks the balance over Tor — your keys never leave the device. Add manually entered balances for coins held elsewhere, see your net worth in up to 3 currencies, log your DCA buys and keep a live widget on your home screen. Bitcoin-only. No altcoins. No ads. No accounts. No analytics. Your holdings never leave your device. FREE - Net worth in up to 3 fiat currencies (USD, EUR, GBP and 25 more) - Live BTC price charts — 1D / 1W / 1M / 1Y / ALL-time - DCA tracker with average buy price, cost basis and P&L - Home screen widget with live price, chart and net worth - Mempool fee estimates (sat/vB) - Sats / BTC display toggle - Dark and light theme PRO — one-time purchase, no subscription - Watch-only wallets: zpub (BIP84) single-sig, output descriptors and multisig — Bitkey 2-of-3, Sparrow and Nunchuk exports - Manual balances for exchange or hardware holdings, summed into net worth - Multi-wallet portfolio - Tor routing via Orbot for full network privacy - Custom Esplora server — point Bag at your own node - Bitcoin Health Check — privacy score across all wallets: address reuse, UTXO hygiene, coinjoin coverage - Mempool fee alerts (above/below threshold) PRIVACY & SECURITY Only derived addresses ever reach the block explorer — your xpub, descriptor and balance stay on-device, encrypted at rest. Every network path can be routed through Tor (Orbot required) and fails closed if Tor is down. No phone-home, no telemetry, no third-party SDKs. Optional biometric lock. Open source (GPL-3.0): github.com/UXAVIA/bag