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 users understand the true cost of loans and mortgages by providing detailed amortization schedules and interest calculations. It allows for scenario comparisons, early payoff planning, and visualization of debt reduction. Useful for homebuyers, car buyers, and financial professionals.

Highlights
  • Detailed amortization schedules
  • Interest savings calculation
  • Multiple loan scenario comparison
  • Visualize payoff journey with graphs
  • Export payment schedules
  • Bonus calculators (credit card, rental property)
  • Apple Watch support
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

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!

Screenshots

Loan Calculator4 screens
Compounder3 screens

Verdict

The call

The clearest difference is in-app purchases: Compounder at none against Loan Calculator's 7. Compounder also leads on ads (none vs shown) and review sentiment (61% vs 32%). Loan Calculator's advantage is ratings volume (23K vs 4.3K) and device support (4 vs 2). On price, update cadence and iOS requirement 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. Compounder asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Compounder holds the better App Store score, 4.8 against 4.6. That said, the two scores are not equally well evidenced: Loan Calculator has 23K ratings behind it against 4.3K, so its average is the more settled of the two. Written reviews point the same way: 32% of Loan Calculator's written reviews are positive against 61% of Compounder's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on November 7, 2026 and November 6, 2026 respectively.

Scorecard7 real differences · 3 level
Loan Calculator versus Compounder: the parameters behind the verdict, then further details
ParameterLoan CalculatorCompounder
PriceFreeFree
Rating4.6 (23K ratings)4.8 (4.3K ratings) — better
Positive reviews32.0% of reviews61.4% of reviews — better
Number of ratings23K — better4.3K
Update frequencyEvery 3 weeksEvery 3 weeks
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, Mac, Apple Watch — betteriPhone, iPad
Requires iOS17.016.0 — better
Further details — not scored
Size10 MB3 MB
Age rating4+4+
DeveloperChuChu Train ProductionsJames Bevins

Customer experience

Loan Calculator

All ratings22,588 ratings
Positive91.2%
Neutral3.4%
Negative5.4%
Written reviews128 reviews
Positive32.0%
Neutral7.0%
Negative60.9%

Compounder

All ratings4,261 ratings
Positive96.9%
Neutral1.7%
Negative1.5%
Written reviews57 reviews
Positive61.4%
Neutral12.3%
Negative26.3%

User reviews

Loan Calculator

From 23K App Store ratings

What we love

  • 👍 Easy to use
  • 🚀 Quick calculations
  • 💡 Helpful for financial decisions
  • 🔒 Secure app

Room to improve

  • 🔍 Lacking advanced features
  • 💸 Excessive ads
  • 🐛 Bugs and crashes
  • 📵 Difficulty disabling ads

Compounder

From 4.3K 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

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

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

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
None

Compounder

No in-app purchases

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 no in-app purchases.
Which has better reviews, Loan Calculator or Compounder?
Compounder is rated higher. Loan Calculator averages 4.6 out of 5 from 23K ratings, while Compounder averages 4.8 from 4.3K ratings.
Do Loan Calculator or Compounder have ads?
Loan Calculator shows ads; Compounder does not.
Which is updated more often, Loan Calculator or Compounder?
Loan Calculator ships an update every 3 weeks, and Compounder every 3 weeks. Most recently, Loan Calculator was updated on November 7, 2026 and Compounder on November 6, 2026.

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