Comparison

Loan Calculator vs Compounder

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

Head to head
About

Loan Calculator

This app helps you understand the true cost of loans and mortgages by revealing total interest paid and payoff timelines. It allows for scenario comparisons, extra payment analysis, and detailed amortization schedules. Visualize your debt journey with graphs and access bonus calculators.

Highlights
  • Reveals total interest paid
  • Calculates debt-free date
  • Analyzes extra payment savings
  • Detailed amortization schedules
  • Compares multiple loan scenarios
  • Visualizes payoff journey with graphs
  • Includes bonus finance calculators
Features
Read full description

Transform How You Understand Loans & Mortgages Thinking about buying a home? A new car? Refinancing? Before you sign anything, see the full picture with the loan calculator trusted by over 20,000 users (4.6/5.0+ average rating). Why This Calculator Changes Everything: Unlike basic calculators that only show monthly payments, this app reveals what lenders don't advertise - how much interest you'll actually pay, when you'll be debt-free, and exactly how extra payments can save you thousands. Make Smarter Financial Decisions: - Planning a $700K mortgage? Instantly see how an extra $100/month cuts years off your loan - Comparing offers? Save multiple scenarios side-by-side to find the best deal - Want to payoff early? Calculate exactly how much you'll save in interest - Track every payment with detailed amortization schedules that break down principal vs interest Built for Real People & Professionals: Whether you're a first-time homebuyer trying to understand what you can afford, or a real estate professional running numbers for clients - this calculator delivers clarity in seconds. Powerful Features Made Simple: - Beautiful graphs that visualize your payoff journey - Compare multiple loans instantly - see which saves you money - Export payment schedules to share with your spouse or financial advisor - 7 bonus calculators including credit card payoff & rental property analysis - Apple Watch support for quick calculations on the go - Sync across all your Apple devices Stop Guessing. Start Knowing. Every financial decision deserves accurate numbers. Download now and see exactly what your loan will cost - not just monthly, but over the life of the loan. Free to download with optional features. Join thousands who've already taken control of their loan decisions. Auto Renewable Subscriptions: Monthly Pass subscriptions allow for unlimited saved loan entries, access to the additional finance tools tab, and an Ad free experience (iOS devices). You will be charged through your App Store account. A Yearly Pass is also available at a discounted rate as compared to the monthly rate. Subscriptions help support the app team, and allow us to continue to provide updates and new features. Subscriptions will automatically renew unless cancelled within 24-hours before the end of the current period. You can cancel anytime within your iTunes account settings. Any unused portion of a free trial (if applicable) will be forfeited if you purchase a subscription. Terms and Conditions (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.chuchutrain.com/privacy-policy.html

About

Compounder

Easily calculate compound interest to plan your future earnings and achieve financial independence. This tool helps you visualize long-term savings, factoring in taxes and inflation for a comprehensive financial outlook.

Highlights
  • Compound interest calculation
  • Variable compounding frequency
  • Deposit and withdrawal tracking
  • Tax and inflation impact analysis
  • Graph and table visualizations
  • Customizable starting figures
Features
Read full description

Calculate compound interest with ease using the Compounder Tool. This is a smooth and intuitive compound interest calculator (aka FIRE Calculator) that helps you calculate and plan out your future earnings so you can achieve Financial Independence and Retire Early. Start planning to stop working today. Without a doubt, compounding interest is the most important concept to know to help you achieve financial independence earlier. At its most basic, compounding interest is a money multiplier. It is the money you earn for free from your money and is a key cornerstone in being financially independent. Everyone can take advantage of compounding interest, and you can start immediately. For example, let’s say you invest $100 each month with a 10% overall return each year (compounding quarterly). After 30 years, you’ll have saved $36,000. How much money do you think you would have earned from compounding interest? $60,000? $80,000? You earned over $180,000; making your total savings of $36,000 worth over $220,000 at the end of the 30 years (more than 6 times the amount you had saved). The Compounder calculator allows you to not only plan and calculate long and short-term savings potential, but also theory craft the impact of a flat taxation rate and inflation on your retirement goals. Features included: - Calculate the amount of money you could accumulate with your compound interest based investment - Yearly interest rate up to 100% - Multiple options for compounding frequency (daily, two-weekly, monthly, quarterly, 6-monthly, yearly) - Multiple options for duration of your investment (daily, weekly, monthly, yearly) to account for a broader range of investment avenues, including crypto - Unlike most other compound interest calculators, the Compounder includes both deposit and withdrawals in the one calculation to give a more complete picture of your finances - Display graph and detailed table view - Advanced settings include: • the ability to pre-set a starting figure. • enter a basic (flat) tax rate, with an option for a tax-free threshold. • set inflation to apply to your withdrawals. - Basic formula explanations included

Screenshots

Loan Calculator4 screens
Compounder4 screens

Verdict

The call

The clearest difference is review sentiment: Compounder at 100% against Loan Calculator's 32%. Compounder also leads on iOS requirement (13.0 vs 17.0). Loan Calculator's advantage is update cadence (every 3 weeks vs every 7 months). On price, ads, in-app purchases and monetization model 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. Loan Calculator sells 7 in-app purchases, starting at $1.99 per 7 days and Compounder sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Loan Calculator ships an update every 3 weeks, Compounder every 7 months. The most recent releases landed on November 1, 2026 and October 30, 2026 respectively.

Scorecard3 real differences · 7 level
Loan Calculator versus Compounder: the parameters behind the verdict, then further details
ParameterLoan CalculatorCompounder
PriceFreeFree
Rating4.6 (23K ratings) — better—
Positive reviews32.0% of reviews100.0% of reviews — better
Number of ratings23K — better—
Update frequencyEvery 3 weeks — betterEvery 7 months
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, Mac, Apple Watch — betteriPhone, iPad, iPod
Requires iOS17.013.0 — better
Further details — not scored
Size10 MB24 MB
Age rating4+4+
DeveloperChuChu Train ProductionsAdam Maliborski

Customer experience

Loan Calculator

All ratings22,576 ratings
Positive91.2%
Neutral3.4%
Negative5.4%
Written reviews128 reviews
Positive32.0%
Neutral7.0%
Negative60.9%

Compounder

Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Loan Calculator

Reported bugs

3 issues
  • Extra payment field not calculating correctly
  • App freezing and shifting up after inputting loan details
  • Calculations not matching real-world loan repayment schedules

Requested features

4 requests
  • Add down payment, taxes, and insurance options
  • Implement comparison graphs and offset account analysis
  • Provide option to pay weekly, bi-weekly, or monthly
  • Add reset button and ability to save multiple loan scenarios

Compounder

Not enough reviews yet to summarise bugs or requests.

In-app purchases

7 purchases

Loan Calculator

Subscriptions3
  • Weekly Pass$1.997 Days
  • Monthly Pass$4.991 Month
  • Yearly Pass$29.991 Year
One-time4
  • Unlock Tools$1.99
  • Unlimited Favorites$2.99
  • Remove Ads$2.99
Show 1 more
  • Lifetime Pass$99.99
1 purchases

Compounder

One-time1
  • Remove Ads$0.99

Questions

Is Loan Calculator free?
Loan Calculator is free to download, with in-app purchases available.
Is Compounder free?
Compounder is free to download, with in-app purchases available.
Do Loan Calculator or Compounder have ads?
Both Loan Calculator and Compounder show ads.
Which is updated more often, Loan Calculator or Compounder?
Loan Calculator ships an update every 3 weeks, and Compounder every 7 months. Most recently, Loan Calculator was updated on November 1, 2026 and Compounder on October 30, 2026.

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