Interest Rate is a practical finance and daily utility app designed for quick calculations, reference checks, and personal planning right on your phone.
Use it to estimate savings returns, calculate compound interest, plan loan payments, check exchange rates, follow gold prices, crypto, fuel prices, weather, and AQI. The app also includes many useful everyday tools such as BMI tracking, QR generation, notes, payment splitting, quick math practice, and light games.
💰 FINANCIAL TOOLS
• Deposit rate reference by term.
• Deposit interest calculator for maturity interest, monthly interest, and total received amount.
• Compound interest calculator with initial capital and recurring contributions.
• Loan calculators for reducing balance and flat rate methods.
• Saved deposit and loan plans for review and comparison.
• Exchange rates, reference currency conversion, and gold price tracking.
• Crypto, fuel price, and market reference tools.
📱 DAILY UTILITIES
🌤 Weather & AQI
• Weather and AQI for your selected location.
📅 Calendar & Daily Information
• Lunar calendar, important dates, and useful daily information.
⚖️ BMI & Income
• BMI calculator for adults and children using height, weight, gender, and birth date.
• Gross/Net salary and personal income tax reference calculator.
🔳 Utility Tools
• QR code generator for links, text, Wi-Fi, email, phone numbers, SMS, and VietQR.
• Personal notes, payment board, random spin wheel, and math practice.
🎮 Light Entertainment
• Chess, Chinese chess, Gomoku, and math challenges for casual entertainment.
🌐 MULTI-LANGUAGE SUPPORT
The app supports both Vietnamese and English, and lets you choose a default currency for financial inputs and calculation results.
📌 CLEAR & MOBILE-FRIENDLY DESIGN
Screens are designed to be clear and mobile-friendly, helping you quickly check savings plans, compare loan options, generate QR codes, or save useful personal notes.
⚠️ DISCLAIMER
Interest Rate is intended for personal reference and everyday calculations. Market data, exchange rates, interest rates, AQI, and calculation results may vary depending on time and data sources.