Comparison

Compound Interest Simulator vs RLM

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

Head to head
About

Compound Interest Simulator

Visualize the growth of your savings and investments using compound interest. Plan for major purchases, retirement, or financial independence with detailed simulations and customizable options.

Highlights
  • Compound interest simulation
  • Savings growth visualization
  • Basic and Advanced modes
  • Multiple deposit/withdrawal planning
  • Customizable compounding frequency
  • Retirement and financial independence planning
Features
Read full description

Simulate your investments and visualize the growth of your savings through the incredible power of compound interest. Whether you're an adept of the FIRE (Financial Independence, Retire Early) movement, planing to make a major purchase, or simply looking to understand how your money can grow over time to support a good retirement, this app will be a great asset in your journey for financial freedom. This calculator is ideal for simulating fixed income investments, planning your savings, visualizing wealth evolution, and achieving retirement goals or financial independence plans. Getting started with the "Basic Mode" is easy: Just input the initial amount of money (if any), an optional monthly deposit, the interest rate and how much time you are planing to keep your capital invested. This app will then show you all the information you need in a beautiful graph, accompanied by a detailed analysis for the selected period. For more customization, the 'Advanced Mode' offers additional features: You can add multiple deposits and withdrawals over time, choose different compounding frequencies (such as daily or quarterly), and adjust the number of days in a year. For example, you can simulate a scenario where you make significant monthly deposits for 30 years, and then begin making annual withdrawals of a percentage of the balance. This calculator is that flexible. Watch your money work for you, and achieve your financial goals with the magic of compound interest! Note: This app is for informational purposes only, may contain inconsistencies, and in no way replaces personalized financial advice from a qualified advisor. Investment decisions and life-saving strategies should be based on professional guidance and not on information from unknown sources on the internet. Terms of Use: https://codexception.com/terms-and-conditions Privacy Policy: https://codexception.com/privacy-policy

About

RLM

This app is a powerful financial and business calculator designed for iOS devices, replicating the functionality of the HP-12C with expanded features. It offers comprehensive tools for finance, business calculations, statistics, scientific functions, and unit conversions.

Highlights
  • Finance and business calculations
  • Amortization schedules
  • Bond price and yield calculations
  • Black-Scholes options valuation
  • Depreciation methods
  • Currency and unit conversions
  • Statistical analysis
  • Programmable functions
Features
Read full description

The RLM-12CX application is a general purpose calculator with a special focus in finance and business. It is based in the Hewlett-Packard HP-12C calculator, but specially designed to bring up the most of your iOS devices. With all the functions originally provided by the real calculator and expanded with complete set of menus and worksheets. >Finance Menu: •Account Balance: Credit line type account based on cash transactions and interest rates applied. •Amortization: Loan Amortization Schedule for a single loan payment or from several payments at once. •Bond Price & Yield: Bonds calculations in an easy way with all options and values at sight. •Black-Scholes Options: CALL, PUT and “Greeks” calculations of the Black-Scholes European option valuation model. •Depreciation: Calculates depreciation with SL, SOYD, DB or MACRS methods and conventions. values at sight. •Interest Conversion: Nominal and effective interest conversion. •Time Value of Money: Compound Interest problems involving money earning interest over a period of time. >Business Menu: •Bill-Tip-Split: Calculates the sharing of a Bill with Tip. •Break-Even: Analyze the following relation: Profit = (Price - Var.Cost) • Units - Fix.Cost •Date/Time: Calculates Date and Time intervals with all values at sight. •Currency Exchange with on-line rates. •Percents & Margins: Calculates %Change, %Total and Business margins. >Cash Flows Menu: •Equal Periods: Calculations with Cash Flows occurring at regular time intervals. •Unequal Periods: Calculations with Cash Flows occurring at arbitrary dates. >Statistics Menu: •One-Variable Statistics: Calculations for one variable data samples. •Two-Variable Statistics: Calculations for two variables data samples. •Probability: Combinations, permutations and Normal, Exponential, t-Student and Weibull probability distributions. >Scientific Menu: •Angles & Polar: Convert angles and coordinates. •Logarithm functions with common or arbitrary base. •Number Alteration functions •Triangle Solution: Solves a plane triangle. •Trigonometric & Hyperbolic functions. >Convert Menu: •Angles & Polar: Convert angles between DEG,RAD,GRAD,DMS or Slope % & Polar-Rectangular coordinates. •Currencies: world currencies conversions with manual input or on-line current rates. •Interest Rates: Nominal and effective interest conversion. •Units: Physical units conversions. >Program Menu Create, edit or load previously saved programs. >Solver Menu Solve arbitrary algebraic equations entered and saved in the equation editor and creates a menu with all the variables to solve any of them. >Utilities Menu •General Settings: Customize the calculator to your preference. •Storage Registers: Store and perform operations directly over the calculator’s storage registers. •Memory Content: Shows all memory content edit, backup or restore. •Help Documents: learn by example about all menus. >Editors: submenu to select data editors. System requirements: iOS 15.0 or above. 30 days Free-Trial. In-App-Purchase: Monthly, Semi-Annual and Annual Auto-renewable subscriptions or One-Payment for life. License Agreement: http://www.apple.com/legal/itunes/appstore/dev/stdeula Disclaimer: THIS IS NOT A HEWLETT PACKARD CALCULATOR, AND IS NOT SPONSORED IN ANYWAY BY HEWLETT PACKARD OR ANY OF ITS SUBSIDIARIES.

Screenshots

Compound Interest Simulator4 screens
RLM4 screens

Verdict

The call

The clearest difference is ads: RLM at none against Compound Interest Simulator's shown. RLM also leads on review sentiment (90% vs 81%). Compound Interest Simulator's advantage is rating (4.9 vs 4.5) and ratings volume (424 vs 19). On price, update cadence, 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. Compound Interest Simulator sells 10 one-off in-app purchases and RLM sells 4 in-app purchases, starting at $0.49 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Compound Interest Simulator holds the better App Store score, 4.9 against 4.5. That said, the two scores are not equally well evidenced: Compound Interest Simulator has 424 ratings behind it against 19, so its average is the more settled of the two. Written reviews complicate that: 81% of Compound Interest Simulator's written reviews are positive against 90% of RLM's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 5 weeks. Both last shipped on October 25, 2026.

Scorecard4 real differences · 6 level
Compound Interest Simulator versus RLM: the parameters behind the verdict, then further details
ParameterCompound Interest SimulatorRLM
PriceFreeFree
Rating4.9 (424 ratings) — better4.5 (19 ratings)
Positive reviews81.0% of reviews90.0% of reviews — better
Number of ratings424 — better19
Update frequencyEvery 5 weeksEvery 5 weeks
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.615.0 — better
Further details — not scored
Size47 MB5 MB
Age rating4+4+
DeveloperAndre Leite Barbosa CostaR.L.M. Software

Customer experience

Compound Interest Simulator

All ratings415 ratings
Positive96.4%
Neutral2.4%
Negative1.2%
Written reviews105 reviews
Positive81.0%
Neutral6.7%
Negative12.4%

RLM

All ratings18 ratings
Positive88.9%
Neutral0.0%
Negative11.1%
Written reviews10 reviews
Positive90.0%
Neutral0.0%
Negative10.0%

In-app purchases

10 purchases

Compound Interest Simulator

One-time10
  • Remove Ads & Unlock All Themes$0.99
  • Remove Ads & Unlock All Themes$1.99
  • Remove Ads & Unlock All Themes$2.99
Show 7 more
  • Remove Ads & Unlock All Themes$3.99
  • Remove Ads & Unlock All Themes$4.99
  • Remove Ads & Unlock All Themes$5.99
  • Remove Ads & Unlock All Themes$6.99
  • Remove Ads & Unlock All Themes$7.99
  • Remove Ads & Unlock All Themes$8.99
  • Remove Ads & Unlock All Themes$9.99
4 purchases

RLM

Subscriptions3
  • Monthtly Subscription$0.491 Month
  • Semi annual Subscription$2.996 Months
  • Annual Subscription$5.991 Year
One-time1
  • Lifetime Purchase$9.99

Questions

Is Compound Interest Simulator free?
Compound Interest Simulator is free to download, with in-app purchases available.
Is RLM free?
RLM is free to download, with in-app purchases available.
Which has better reviews, Compound Interest Simulator or RLM?
Compound Interest Simulator is rated higher. Compound Interest Simulator averages 4.9 out of 5 from 424 ratings, while RLM averages 4.5 from 19 ratings.
Do Compound Interest Simulator or RLM have ads?
Compound Interest Simulator shows ads; RLM does not.
Which is updated more often, Compound Interest Simulator or RLM?
Compound Interest Simulator ships an update every 5 weeks, and RLM every 5 weeks. Most recently, Compound Interest Simulator was updated on October 25, 2026 and RLM on October 25, 2026.

Other comparisons