Comparison

Compounder vs Compound Interest Calc

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

Head to head
About

Compounder

Calculate the growth of savings and investments using compound interest. Explore how regular contributions and withdrawals impact your financial goals over time. Designed for anyone to understand and utilize the power of compounding for wealth building.

Highlights
  • Calculate compound interest
  • Flexible settings
  • Factor in periodic withdrawals
  • Factor in additional contributions
  • Easy-to-use interface
Features
Read full description

Compounder lets you easily calculate the power of compound interest to reach your financial goals—whether for savings, investments, or retirement planning. What is compound interest? Compound interest is the interest calculated on both the initial principal and the accumulated interest from previous periods. This powerful tool can make a big difference over time! Example: Imagine starting with $1,000 in savings, contributing $500 monthly at an 11% annual return. After 40 years, that account could grow to $4.38 million! Even small, regular contributions—like the average American car payment—can build lasting wealth. Features: Quickly calculate compound interest with flexible settings. Factor in periodic withdrawals or additional contributions to see how they affect your growth. Easy-to-use interface, designed for anyone wanting to understand and harness compound interest, without needing a finance background. You don’t need to be a Wall Street broker to become a millionaire. Start planning your financial future with Compounder today!

About

Compound Interest Calc

Plan your financial future with a powerful compound interest calculator. It helps you visualize investment growth with periodic contributions and plan retirement withdrawals with inflation adjustments. Offers detailed breakdowns and interactive charts for informed financial decisions.

Highlights
  • Calculate investment growth with contributions
  • Plan retirement withdrawals with inflation
  • Interactive growth and depletion charts
  • Year-by-year detailed breakdowns
  • Real-time calculations
  • Works offline
Features
Read full description

Compound Interest Calculator - Your Financial Planning Companion Plan your financial future with precision using our powerful compound interest calculator. Whether you're saving for retirement or planning investment growth, this app provides the tools you need. KEY FEATURES: Growth Mode • Calculate investment growth with periodic contributions • See how your money grows over time • Adjust contribution frequency (Yearly, Quarterly, Monthly, Weekly) • View detailed year-by-year breakdowns • Visualize growth with interactive charts Withdrawal Mode • Plan retirement withdrawals with inflation adjustments • Calculate how long your savings will last • Account for inflation in your planning • See time to zero calculations • Understand total withdrawal amounts Powerful Visualizations • Interactive line charts showing growth or depletion • Year-by-year tables with detailed breakdowns • Easy-to-read currency formatting • Touch points on charts to see exact values Beautiful Material Design • Clean, modern interface • Smooth animations and transitions • Intuitive navigation • Accessible design for all users Smart Features • Real-time calculations as you type • Input validation to prevent errors • Handles edge cases gracefully • Optimized for performance • Works offline - no internet required PERFECT FOR: • Retirement planning • Investment strategy • Savings goals • Financial education • Wealth building GROWTH MODE CALCULATIONS: Enter your starting balance, expected annual return rate, investment duration, and periodic contributions. The app calculates your final investment value, total contributions, and profit using the compound interest formula. WITHDRAWAL MODE CALCULATIONS: Plan your retirement by entering your starting balance, expected return rate, withdrawal amount, and inflation rate. See how long your money will last and plan accordingly. WHY CHOOSE THIS CALCULATOR? • Accurate compound interest formulas • Beautiful, easy-to-use interface • Fast and responsive Whether you're a financial professional, student, or someone planning for the future, this calculator provides the insights you need to make informed decisions. Download now and take control of your financial future! --- Note: This calculator is for educational and planning purposes. Actual investment returns may vary. Consult with a financial advisor for personalized advice.

Screenshots

Compounder3 screens
Compound Interest Calc4 screens

Verdict

The call

The clearest difference is in-app purchases: Compounder at none against Compound Interest Calc's 1. Compounder also leads on ads (none vs shown) and update cadence (every 3 weeks vs every 3 months). On price, rating, review sentiment and ratings volume 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. Compound Interest Calc sells 1 one-off in-app purchase. Compounder asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.8 for Compounder against 4.8 for Compound Interest Calc. Both are backed by a comparable volume of ratings — 3.4K and 6.5K respectively. Written reviews are what separate them: 61% of Compounder's written reviews are positive against 69% of Compound Interest Calc's.

UpkeepUpdate frequency

Compounder ships an update every 3 weeks, Compound Interest Calc every 3 months. The most recent releases landed on October 17, 2026 and October 15, 2026 respectively.

Scorecard4 real differences · 6 level
Compounder versus Compound Interest Calc: the parameters behind the verdict, then further details
ParameterCompounderCompound Interest Calc
PriceFreeFree
Rating4.8 (3.4K ratings)4.8 (6.5K ratings)
Positive reviews61.4% of reviews68.6% of reviews — better
Number of ratings3.4K6.5K — better
Update frequencyEvery 3 weeks — betterEvery 3 months
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.015.6 — better
Further details — not scored
Size3 MB16 MB
Age rating4+4+
DeveloperJames BevinsDane Hankamer

Customer experience

Compounder

All ratings3,438 ratings
Positive96.5%
Neutral1.7%
Negative1.8%
Written reviews57 reviews
Positive61.4%
Neutral12.3%
Negative26.3%

Compound Interest Calc

All ratings6,530 ratings
Positive95.8%
Neutral1.8%
Negative2.3%
Written reviews153 reviews
Positive68.6%
Neutral7.8%
Negative23.5%

User reviews

Compounder

From 3.4K App Store ratings

What we love

  • 👍 Easy to use
  • 🚀 Instant results
  • 💡 Helps explain investments
  • 🚀 Simple and easy to use
  • 👍 Best and easiest compound calculator

Room to improve

  • 🐛 Glitchy and not user-friendly after update
  • 🐛 Can't use quarterly, monthly, or weekly buttons after update
  • 🐛 New version not working well on iPhone
  • 🐛 Can't click off of monthly to quarterly, yearly, or weekly
  • 🐛 Compound frequency stuck on monthly after update

Compound Interest Calc

From 6.5K App Store ratings

What we love

  • 🚀 Easy to use
  • 🚀 Visually appealing
  • 🚀 Helpful for financial planning
  • 🚀 Powerful compound interest calculations
  • 🚀 Intuitive interface

Room to improve

  • 🐛 Scaling issues on smaller devices
  • 🐛 Inaccurate calculations in certain scenarios
  • 🐛 Frequent ads disrupting user experience
  • 🐛 Crashing and compatibility issues
  • 🐛 Lack of customization options

Bugs and requests

Compounder

Reported bugs

3 issues
  • Calculation issues with initial investment
  • Formatting issues on mobile devices
  • Crashes after short usage

Requested features

5 requests
  • Add percentage option for withdrawal
  • Allow adjusting periodic contributions (weekly, monthly, etc.)
  • Include daily compounding option
  • Add inflation adjustment to contributions and outputs
  • Create a widget version

Compound Interest Calc

Reported bugs

4 issues
  • Withdrawal calculations showing incorrect results
  • App crashing on certain device models
  • Scaling issues on iPad devices
  • Compound interest calculations not accurate for weekly/monthly contributions

Requested features

5 requests
  • Add dividend calculation option
  • Allow for daily compound interest calculations
  • Implement a save/load feature to retain user inputs
  • Add ability to input one-time lump sum contributions
  • Provide inflation-adjusted withdrawal calculations

In-app purchases

None

Compounder

No in-app purchases

1 purchases

Compound Interest Calc

One-time1
  • Remove Ads$1.99

Questions

Is Compounder free?
Compounder is free to download, with no in-app purchases.
Is Compound Interest Calc free?
Compound Interest Calc is free to download, with in-app purchases available.
Which has better reviews, Compounder or Compound Interest Calc?
Compounder and Compound Interest Calc are both rated 4.8 out of 5 on the App Store, from 3.4K and 6.5K ratings respectively.
Do Compounder or Compound Interest Calc have ads?
Compound Interest Calc shows ads; Compounder does not.
Which is updated more often, Compounder or Compound Interest Calc?
Compounder ships an update every 3 weeks, and Compound Interest Calc every 3 months. Most recently, Compounder was updated on October 17, 2026 and Compound Interest Calc on October 15, 2026.

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