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.