Comparison

Programming Calculator vs RLM

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

Head to head
About

Programming Calculator

This utility app allows users to instantly convert numbers between bases 2 and 30, perform calculations, and get accurate results. It features a developer-friendly interface with real-time updates and dark mode support.

Highlights
  • Base conversion (2-30)
  • Developer-friendly calculations
  • Real-time value updates
  • Intuitive one-hand interface
  • Dark mode support
  • Supports multiple number systems
Features
Read full description

Programming Calc is a convenient and powerful calculator designed for developers, engineers, students, and anyone working with different number systems. Instantly convert values between bases from 2 to 30, perform calculations, and get accurate results without mistakes. Key Features: Base conversion from 2 to 30 (bin, oct, dec, hex, and more) Developer-friendly calculator with fast operations and precise outputs Real-time value updates across all systems Clean, intuitive interface optimized for one-hand use Suitable for learning, programming, technical tasks, and everyday calculations Dark mode support Who is it for? Developers working with code, addresses, and bit structures Students studying number systems and preparing for exams Engineers performing technical calculations Anyone who needs quick and accurate base conversion Simple. Fast. Accurate. Programming Calc makes working with numbers easy and efficient.

About

RLM

This app is a scientific and programmable calculator designed for science and engineering, replicating the functionality of the HP-11C. It offers extensive features for finance, business, statistics, complex numbers, and unit conversions, with a programmable interface for custom calculations.

Highlights
  • Finance calculations (amortization, bond price, Black-Scholes)
  • Business functions (break-even, currency exchange)
  • Statistical analysis (regression, probability distributions)
  • Scientific functions (complex numbers, logarithms, trigonometry)
  • Unit and currency conversions
  • Programmable interface for custom scripts
  • Equation solver
Features
Read full description

The RLM-11C+ application is a general purpose calculator with a special focus science and engineering. It is based in the Hewlett-Packard HP-11C calculator, but specially designed to bring up the most of your iOS devices and , at the same time, conserving the easy of use and all functions originally provided by the real calculator. >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. •Equal Periods: Calculations with Cash Flows occurring at regular time intervals. •Unequal Periods: Calculations with Cash Flows occurring at arbitrary dates. •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 •Currency Exchange with on-line rates. •Percents & Margins: Calculates %Change, %Total and Business margins. Date / Time Menu: Calculates Date and Time intervals with all values at sight. >Statistics Menu: •One-Variable Statistics: Calculations for one variable data samples. •Two-Variable Statistics: Calculations for two variables data samples. •Curve Fitting: 6 Regression models to fit a curve based on two variables data samples. •Probability: Combinations, permutations, Normal, Exponential, t-Student and Weibull probability distributions. >Scientific Menu: •Complex Numbers: Operations and functions with complex numbers. •Logarithms, Trigonometric, Hyperbolic and Number Alteration functions. •Triangle Solution: Solves a Plane & Spherical triangles. •3D Vectors: Operations and functions with vectors in Cartesian, Spherical or Cylindrical coordinates. •Universal Constants: All the NIST-CODATA physical constants values and descriptions. •Units Conversion: Physical units conversion completely customizable. >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: 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

Programming Calculator4 screens
RLM4 screens

Verdict

The call

The clearest difference is rating: Programming Calculator at 4.9 against RLM's 3.1. Programming Calculator also leads on review sentiment (80% vs 40%) and in-app purchases (none vs 4). On price, 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

Both are free to download. RLM sells 4 in-app purchases, starting at $0.49 per month. Programming Calculator asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Programming Calculator holds the better App Store score, 4.9 against 3.1. That said, the two scores are not equally well evidenced: Programming Calculator has 48 ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 80% of Programming Calculator's written reviews are positive against 40% of RLM's.

UpkeepUpdate frequency

Programming Calculator ships an update every 4 weeks, RLM every 5 weeks. The most recent releases landed on October 24, 2026 and October 30, 2026 respectively.

Scorecard6 real differences · 4 level
Programming Calculator versus RLM: the parameters behind the verdict, then further details
ParameterProgramming CalculatorRLM
PriceFreeFree
Rating4.9 (48 ratings) — better3.1 (7 ratings)
Positive reviews80.0% of reviews — better40.0% of reviews
Number of ratings48 — better7
Update frequencyEvery 4 weeks — betterEvery 5 weeks
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better15.0
Further details — not scored
Size7 MB6 MB
Age rating4+4+
DeveloperMikhail RazinR.L.M. Software

Customer experience

Programming Calculator

All ratings38 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews5 reviews
Positive80.0%
Neutral0.0%
Negative20.0%

RLM

All ratings7 ratings
Positive42.9%
Neutral14.3%
Negative42.9%
Written reviews5 reviews
Positive40.0%
Neutral0.0%
Negative60.0%

In-app purchases

None

Programming Calculator

No in-app purchases

4 purchases

RLM

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

Questions

Is Programming Calculator free?
Programming Calculator is free to download, with no in-app purchases.
Is RLM free?
RLM is free to download, with in-app purchases available.
Which has better reviews, Programming Calculator or RLM?
Programming Calculator is rated higher. Programming Calculator averages 4.9 out of 5 from 48 ratings, while RLM averages 3.1 from 7 ratings.
Do Programming Calculator or RLM have ads?
Neither Programming Calculator nor RLM shows ads.
Which is updated more often, Programming Calculator or RLM?
Programming Calculator ships an update every 4 weeks, and RLM every 5 weeks. Most recently, Programming Calculator was updated on October 24, 2026 and RLM on October 30, 2026.

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