Comparison

Compound Interest vs Investment Calculator

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

Head to head
About

Compound Interest

Calculate and visualize the growth of your savings and investments over time. Explore different scenarios to understand the power of compound interest and plan for your financial goals, such as retirement.

Highlights
  • Visualize savings growth with interactive graphs
  • Calculate required contributions for financial goals
  • Experiment with different saving scenarios
  • Flexible calculations for balance, contribution, or time
  • Link tabs for complex strategy comparisons
  • Customizable light and dark themes
Features
Read full description

Unlock the Power of Compound Interest: See Your Money Grow Over Time Ever wondered how much your savings could grow if you started investing today? With Compound Interest, you can instantly see the impact of saving and investing on your future wealth. Start Saving Early and Watch Your Money Grow What if you started saving for retirement at just 15 instead of 40? By contributing just $100 a week with a 7% return, you could accumulate over $2 million by the time you retire. You may wonder: "How is that possible when I’m only saving $260,000?" The answer lies in the power of compound interest. While your direct savings would total just over $250,000, the additional $2 million comes from the growth of your investments over time. Impressive, right? Reach Your Retirement Goals with Ease Already have a target in mind? You can easily adjust the settings to calculate your required contribution, desired return rate, or even the time frame needed. For example, if your goal is to retire with $5 million but you're unsure how much to save each month, simply switch to the "solve for contribution" mode, and the app will automatically calculate the amount you need to save to reach your goal. Key Features: Visualize Your Future: Easily calculate how your savings or investments could grow over the next 30 years (or more) with interactive graphs that break down your gains year by year. Plan for Your Goals: Want to retire a millionaire? Set your target goal, and let the app calculate how much you need to save each month, the return rate, or how long it will take to get there. Experiment with Different Scenarios: Test different saving strategies with the option to create multiple tabs. Try saving $100/week for 10 years, then adjusting your contributions—see the real impact of compound interest! Flexible Calculations: Whether you're solving for total balance, contribution amount, return rate, or investment length, Compound Interest makes it easy to adjust your plan and reach your financial goals. Advanced Tab References: Link one tab's balance to another for more complex calculations. Want to try saving more for a few years and less later? It's easy to reference and compare different strategies. Customizable Themes: Switch between light and dark modes to suit your style. Why You'll Love It: See exactly how compound interest works and how small changes in saving habits can lead to huge financial gains. Perfect for retirement planning, saving for big goals, or simply exploring the magic of compounding. Simple, intuitive design for easy use no matter your financial knowledge. Start planning today, and watch your future wealth grow with Compound Interest!

About

Investment Calculator

Easily assess investment value over time with detailed tables and charts. Includes tools for ROI, duration, and contribution calculations. Save and track your financial journey.

Highlights
  • Investment progression tables and charts
  • Return on Investment (ROI) calculation
  • Investment duration and contribution planning
  • Secure storage of investment data
  • Financial goal achievement tools
Features
Read full description

Investment Calculator helps you estimate how your investments may grow over a selected period. Enter a starting amount, rate of return, investment length, and recurring contributions to calculate projected balance, total contributions, and interest. The app provides year-by-year schedules and clear charts so you can better understand how your balance, principal, and interest change over time. Investment Calculator also includes extra tools for ROI (Return on Investment), investment length, and the periodic contribution needed to reach a financial goal. You can save and reload calculations to compare plans and track your investment scenarios more conveniently. SUBSCRIPTION INFORMATION This subscription unlocks premium access during the active subscription period. • Payment will be charged to your Apple Account at confirmation of purchase. • Subscription automatically renews unless auto-renew is turned off at least 24 hours before the end of the current period. • Your account will be charged for renewal within 24 hours before the end of the current period, and the renewal cost will be shown. • Subscriptions may be managed by the user, and auto-renewal may be turned off by going to Account Settings after purchase. • Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription, where applicable. Privacy Policy: https://13520178.github.io/InvestmentCalc/policy.html Terms of Use: https://13520178.github.io/InvestmentCalc/terms.html EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ We are happy to support you. If you have any questions or requests, please contact us: Email: phannhatd@gmail.com

Screenshots

Compound Interest4 screens
Investment Calculator4 screens

Verdict

The call

Compound Interest and Investment Calculator both sit at 4.7 stars, but that hides the real split: 68% of Compound Interest's written reviews are positive against 8% of Investment Calculator's. Compound Interest also leads on in-app purchases (none vs 2). Investment Calculator's advantage is price (Free vs $1.99) and ratings volume (1.6K vs 238). On rating, update cadence, 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

Investment Calculator is free to download; Compound Interest costs $1.99 up front. Investment Calculator sells 2 in-app purchases, starting at $12.99 per year. Compound Interest asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.7 for Compound Interest against 4.7 for Investment Calculator. That said, the two scores are not equally well evidenced: Investment Calculator has 1.6K ratings behind it against 238, so its average is the more settled of the two. Written reviews are what separate them: 68% of Compound Interest's written reviews are positive against 8% of Investment Calculator's.

UpkeepUpdate frequency

Compound Interest ships an update every 4 months, Investment Calculator every 3 months. The most recent releases landed on September 22, 2026 and September 18, 2026 respectively.

Scorecard5 real differences · 5 level
Compound Interest versus Investment Calculator: the parameters behind the verdict, then further details
ParameterCompound InterestInvestment Calculator
Price$1.99Free — better
Rating4.7 (238 ratings)4.7 (1.6K ratings)
Positive reviews67.7% of reviews — better7.7% of reviews
Number of ratings2381.6K — better
Update frequencyEvery 4 monthsEvery 3 months — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterSubscription
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.0 — better15.0
Further details — not scored
Size1 MB7 MB
Age rating4+4+
DeveloperTernUp LLCPhan Nhat Đang

Customer experience

Compound Interest

All ratings238 ratings
Positive92.4%
Neutral1.7%
Negative5.9%
Written reviews31 reviews
Positive67.7%
Neutral0.0%
Negative32.3%

Investment Calculator

All ratings1,587 ratings
Positive92.0%
Neutral3.2%
Negative4.8%
Written reviews26 reviews
Positive7.7%
Neutral11.5%
Negative80.8%

User reviews

Compound Interest

From 238 App Store ratings

What we love

  • 👍 Clean and simple design
  • 🚀 Fast calculations
  • 💡 Multiple tabs for different calculations
  • ✨ Visually appealing interface
  • 🚫 No obnoxious advertising

Room to improve

  • 🐛 App freezes frequently
  • 🐛 App crashes on interaction
  • 🐛 iPad version broken
  • 🐛 Cannot input numbers
  • 🐛 Calculations are wrong

Investment Calculator

From 1.6K App Store ratings

What we love

  • 👍 User-friendly interface
  • 💡 Helpful investment calculations

Room to improve

  • 💰 Paywall for basic features
  • 📢 Intrusive ads
  • 🐛 Calculation issues
  • 🤔 Confusing subscription/unsubscription process

Bugs and requests

Compound Interest

Reported bugs

8 issues
  • App keeps freezing
  • App freezes when changing initial amount
  • App crashes when tapping screen
  • iPad version doesn't register changes
  • iPad version resets starting balance to zero
Show 3 more
  • Cannot input any numbers
  • Calculations are wrong
  • No function for withdrawals

Requested features

11 requests
  • Add annual lump sums
  • Solve for required opening balance
  • Save financial models with names
  • Ability to adjust for months instead of years
  • Enter length in months
Show 6 more
  • Include savings withdrawal mode
  • Option to see second and third graph showing +/- interest rate
  • Name the tabs
  • Custom-label each tab
  • Ability to share calculations
  • Option to change compound rate (daily, weekly, etc.)

Investment Calculator

Reported bugs

2 issues
  • Calculation results not updating after changing inputs
  • Overlapping chart/graph information

Requested features

2 requests
  • Withdrawal calculator
  • Option to change calculation frequency (monthly/yearly)

In-app purchases

None

Compound Interest

No in-app purchases

2 purchases

Investment Calculator

Subscriptions1
  • Annual Premium Package7 Days trial$12.991 Year
One-time1
  • Unlock all features$4.99

Questions

Is Compound Interest free?
Compound Interest costs $1.99, with no in-app purchases.
Is Investment Calculator free?
Investment Calculator is free to download, with in-app purchases available.
Which has better reviews, Compound Interest or Investment Calculator?
Compound Interest and Investment Calculator are both rated 4.7 out of 5 on the App Store, from 238 and 1.6K ratings respectively.
Do Compound Interest or Investment Calculator have ads?
Neither Compound Interest nor Investment Calculator shows ads.
Which is updated more often, Compound Interest or Investment Calculator?
Compound Interest ships an update every 4 months, and Investment Calculator every 3 months. Most recently, Compound Interest was updated on September 22, 2026 and Investment Calculator on September 18, 2026.

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