Comparison

Interest Calculator vs InterestBuddy

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Interest Calculator

Calculate compound interest and ROI with customizable settings for periods and tax rates. Visualize your investment growth with detailed charts and breakdowns. Generate PDF reports and access a web version for comprehensive financial planning.

Highlights
  • Customizable periods (years, months, weeks, days)
  • Single or multiple tax rate calculations
  • Visual charts (pie, line, tax vs. inflation)
  • Period-by-period breakdown
  • Inverse calculations for ROI
  • PDF report generation
  • Companion web version
Features
Read full description

Compound Interest Calculator — Investment & Savings Planner The most complete compound interest calculator for personal finance, savings goals, and DeFi investments. Plan your financial future with precision using advanced tools that go far beyond a basic calculator. Why Compound Interest Calc? Whether you're building a retirement fund, planning long-term savings, or analyzing DeFi yields, this app gives you the clarity and control to make smarter financial decisions. Simulate real-world scenarios with taxes, inflation, contributions, and withdrawals—all in one place. Powerful Calculation Engine - Compound interest with fully customizable periods: years, months, weeks, days, or even 6-month intervals. - Single or multiple tax brackets, including wealth tax integration. - Advanced contributions and withdrawals with flexible scheduling. - Inverse ROI calculator: input your initial investment, final balance, and duration to find your real rate of return. Save, Compare & Analyze Scenarios - Save unlimited investment scenarios and compare them side by side. - Sensitivity analysis: instantly see how ±10-20% variations in rate, contributions, or duration affect your final balance. - Make data-driven decisions before committing your money. Professional Charts & Visualizations - Pie chart: clear breakdown of principal, profits, and taxes. - Simple vs. Compound Interest growth comparison. - Tax vs. Inflation impact over time. - Purchasing power chart: see how inflation erodes your real returns. Detailed Period-by-Period Breakdown - Track opening balance, contributions, interest earned, withdrawals, taxes, and cumulative profit for every single period. - Export everything as a professional PDF report to share with your advisor or keep for your records. Built for Serious Investors - Supports decimal precision for accurate DeFi and crypto yield calculations. Download now and take the guesswork out of compound interest. Your future self will thank you.

About

InterestBuddy

Features
Read full description

Compound Interest Calculator: Plan Your Financial Future Easily calculate compound interest and grow your wealth with our powerful and intuitive Compound Interest Calculator. Whether you're planning investments, saving for retirement, or evaluating loan options, our app InterestBuddy helps you make smarter financial decisions with just a few taps! Key Features: Simple Inputs: Add your initial investment, monthly contributions, interest rate, and time period. Detailed Breakdown: Get a clear visual representation of your wealth growth over time. Customizable Settings: Adjust variables to see different financial scenarios. Future Value Projections: See how much your savings or investments will grow with compound interest. User-Friendly Interface: Clean, easy-to-use design, perfect for both beginners and advanced users. Plan your finances and achieve your goals faster with this essential financial tool!

Screenshots

Interest Calculator4 screens
InterestBuddy3 screens

Verdict

The call

The clearest difference is in-app purchases: InterestBuddy at none against Interest Calculator's 1. InterestBuddy also leads on iOS requirement (13.4 vs 15.0). On price, ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Interest Calculator sells 1 one-off in-app purchase. InterestBuddy asks for nothing beyond the download.

Scorecard2 real differences · 8 level
Interest Calculator versus InterestBuddy: the parameters behind the verdict, then further details
ParameterInterest CalculatorInterestBuddy
PriceFreeFree
Rating4.8 (117 ratings) — better—
Positive reviews77.8% of reviews—
Number of ratings117 — better—
Update frequencyEvery 2 weeks—
AdsYesYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.013.4 — better
Further details — not scored
Size38 MB23 MB
Age rating4+4+
DeveloperJose Miguel Varela MarcosBruno Alencar

In-app purchases

1 purchases

Interest Calculator

One-time1
  • No ads$4.99
None

InterestBuddy

No in-app purchases

Questions

Is Interest Calculator free?
Interest Calculator is free to download, with in-app purchases available.
Is InterestBuddy free?
InterestBuddy is free to download, with no in-app purchases.
Do Interest Calculator or InterestBuddy have ads?
Both Interest Calculator and InterestBuddy show ads.

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