BTC :Bitcoin ticker /portfolio

The Ultimate, Zero-Lag Bitcoin Companion Built for maximum performance and efficiency, BTC Tracker & Portfolio provides everything you need to monitor the Bitcoin market, manage your investments, and read the latest crypto news—all in one beautifully fluid, secure, and privacy-first application. Whether you're day trading or HODLing, our app delivers extreme accuracy with absolutely zero frame drops. 📊 Ultra-Performant, Pro-Grade Charts • Experience buttery-smooth zooming and panning with our highly optimized charting engine. • Real-time, native pulsing price dot that stays perfectly synced with the chart as you navigate. • Deep technical analysis with synchronized Relative Strength Index (RSI) and Volume indicators. • Advanced High-Fidelity Downsampling (LTTB) algorithms to render years of historical data instantly without draining your battery. • Track multiple timeframes from 1-Hour to 10-Years (and All-Time). • Map custom horizontal price levels to the chart visually. 💼 Advanced, Secure Portfolio Management • Add granular portfolio entries with specific purchase amounts and buy prices. • Automatically calculate your Total Holdings, Average Buy Price, Current Value, and Total Profit/Loss (P/L). • Privacy First: Quickly hide or reveal your balances with a built-in "Eye" toggle. 🔒 Biometric Security & Encryption • Lock your portfolio visibility and settings behind native device Biometric Authentication (Fingerprint/Face Unlock). • Zero data harvesting: All API keys, portfolio amounts, and preferences are stored locally using military-grade AES-256 EncryptedSharedPreferences. 🌐 Multi-Exchange & Multi-Currency • Fetch real-time ticker data from top-tier exchanges: Binance, Kraken, Coinbase, Bitstamp, CoinGecko, and CryptoCompare. • Support for multiple fiat currencies including USD, EUR, HUF, and TWD. • Add custom API keys for higher rate limits. 📰 Smart RSS News Reader • Stay informed with a built-in, lightweight RSS reader pulling directly from top sources like CoinDesk, Cointelegraph, Bitcoin Magazine, and Decrypt. • Add your own custom RSS feeds. • Read content cleanly with adjustable font sizes. ⚡ Offline Mode & Home Screen Widgets • No internet? No problem. The app uses an intelligent local caching system to display the latest fetched charts, news, and prices seamlessly. • Beautiful, battery-efficient Home Screen Widget that updates dynamically in the background and instantly upon device unlock. Engineered with cutting-edge Android architecture, BTC Tracker & Portfolio guarantees a premium, lightning-fast experience without bloatware or unnecessary tracking. Your keys, your crypto, your data.