더블업 - 편리한 투자 포트폴리오 관리

DoubleUp is a smart investment portfolio app that manages domestic and overseas stocks and ETFs in one place.

Neatly organize your complex investment status and make smarter investment decisions with the help of an AI assistant.

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📊 Portfolio Management

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• Integrated management of domestic stocks (KOSPI/KOSDAQ), US stocks, ETFs, and cash assets

• Supports creation of multiple portfolios and viewing of aggregated totals

• Automatic calculation of real-time valuation, profit, and rate of return

• Display of pre-market/after-market prices and PRE/POST badges

• Quick editing and deletion of stock cards by long-pressing

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💰 Dividend Calendar

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• Check estimated monthly dividend income at a glance with a calendar

• Automatic calculation of dividend yield and investment dividend rate for held stocks

• Dividends Simulation of Net Income After Tax with Set Tax Rates

• Predict Annual Total Dividend Income

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📈 Market Indicators

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• Real-time quotes for major indices (S&P 500, Nasdaq, KOSPI, etc.)

• Customizable indicators for exchange rates, commodities, bonds, and cryptocurrencies

• Real-time price tracking for watchlist items

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🤖 AI Investment Assistant (PRO)

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• Select and use Google Gemini AI models

• Portfolio health check, risk analysis, and tax optimization analysis

• Understand market trends with today's AI briefing

• Investment propensity diagnosis and Personalized Advice

• Performance Comparison Against Benchmark

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⚙️ Convenient Settings

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• Select Display Currency: KRW / USD

• Chart Colors: Korean Style (Red Rising) / Global Style (Green Rising)

• Data Security: Encrypted Asset Data Storage (FlutterSecureStorage)

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🔒 Privacy Protection

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Double Up encrypts and stores user asset data on the device.

It does not transmit to a server or share externally.

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⚠️ Investment Precautions

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This app is intended to provide investment information and does not recommend the buying or selling of any specific stock.

Investors are solely responsible for their investment outcomes, and the AI ​​analysis results within the app should be used for reference only.