About this app
Take control of your financial future with Compound Interest Planner, an advanced investment calculator designed to help you simulate, compare and plan your savings with confidence. Whether you're investing for retirement, building wealth, saving for a major purchase or simply exploring different financial scenarios, the app makes it easy to understand how your money can grow over time. Create accurate simulations using both compound and simple interest, visualize long-term growth, compare strategies and make better financial decisions. COMPOUND & SIMPLE INTEREST • Calculate compound or simple interest • Monthly or yearly interest rates • Flexible investment periods in months or years • Initial investment and recurring contributions • Future value calculations • Total invested amount • Total interest earned • Investment return overview PLAN YOUR FINANCIAL GOALS Use the app to plan: • Retirement savings • Long-term investments • Emergency funds • College savings • Wealth building • Monthly investment strategies • Financial goals POWERFUL VISUALIZATION Understand your investment growth with interactive charts and detailed projections. • Investment growth charts • Principal vs. interest visualization • Month-by-month schedule • Detailed investment breakdown COMPARE DIFFERENT SCENARIOS (PRO) Find the best strategy by comparing two simulations side by side. • Compare different rates • Compare contribution amounts • Compare investment periods • Evaluate multiple scenarios before investing ADJUST FOR INFLATION (PRO) See the purchasing power of your future investment using inflation-adjusted calculations. PROGRESSIVE CONTRIBUTIONS (PRO) Simulate increasing your monthly contributions over time to better reflect real investment strategies. SAVE YOUR SIMULATIONS Keep your calculations available whenever you need them. Free • Recent simulation history • Local storage PRO • Unlimited history • Organize simulations • Access previous calculations anytime PERSONALIZE YOUR EXPERIENCE • Light theme • Dark theme • System theme • Multiple currencies • Multiple languages • Default rate settings • Custom calculation preferences WORKS EVERYWHERE • No account required • No login • Works completely offline • Fast and lightweight • Share your simulation results PRO FEATURES • Unlimited history • Compare simulations • Inflation adjustment • Progressive contributions • Advanced charts • Ad-free experience • One-time lifetime purchase • No subscription required Ideal for beginner investors, experienced investors, students and anyone who wants to understand investment growth, estimate future value and make smarter financial decisions. Disclaimer: This application is intended for educational and informational purposes only. Calculations are estimates and should not be considered financial advice. Always consult a qualified financial professional before making investment decisions.
Latest release
What’s New
• General fixes and improvements
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Sep 12, 2026 · 4:14 AM Free