Bag is a Bitcoin-only portfolio monitor that shows your net worth in real time — private, open source, and built for people who take self-custody seriously.

Enter your BTC holdings and instantly see your net worth in up to 3 fiat currencies. Pull up a price chart, track your dollar-cost averaging performance, and add a home screen widget — all without creating an account or giving up any data.

CORE FEATURES (FREE)
• Live BTC price in up to 3 currencies (USD, EUR, GBP, CAD, JPY, CHF, AUD and more)
• Net worth dashboard with 24h change
• Historical price charts (1D, 1W, 1M, 1Y, 5Y, ALL)
• DCA tracker — log purchases and track average cost & P&L
• Home screen widget with live price and net worth
• No accounts. No sign-up. No data collection.

PRIVACY & SELF-CUSTODY TIER — ONE-TIME PURCHASE
• Watch-only wallet tracking via zpub (BIP84) — your keys never leave your device
• Tor routing via Orbot for full network privacy
• Custom Esplora server support
• Multi-wallet portfolio view
• Bitcoin Health Check — privacy scoring for your UTXOs
• Sentinel always-on monitoring — get notified of incoming and outgoing transactions
• Mempool fee alerts — set alerts for sat/vB thresholds

PRIVACY FIRST
Bag never collects, transmits, or stores your personal data on any server. Your BTC holdings and wallet data stay on your device. Price data is fetched from public APIs with no identifying information attached. Tor support means even your IP address stays private.

OPEN SOURCE
Bag is fully open source. Audit the code, verify the builds, and contribute at:
https://github.com/UXAVIA/bag

No ads. No analytics. No subscriptions. Just Bitcoin.