Comparison

RLM vs Quick Calc、

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

Head to head
About

RLM

This app offers a comprehensive suite of calculators for finance, business, science, and general use. It includes specialized worksheets for loans, investments, statistics, and complex mathematical functions, designed to leverage iOS device capabilities.

Highlights
  • Finance worksheets (amortization, bond pricing, options)
  • Business calculations (bill split, break-even, currency)
  • Statistical analysis (probability, regressions)
  • Scientific functions (complex numbers, vectors)
  • Unit and currency conversions
  • Equation solver
  • Date and time calculations
Features
Read full description

The RLM-17BX is a calculator for finance, business and science. It is designed to bring up the most of your iOS devices with an extensive set of worksheets and enhancements to cover most of the functions generally needed by financial, business, mathematical, engineering and scientific professionals. >Finance Worksheets: •Account Balance: Calculates the Balance of cash transactions and interest applied at arbitrary dates. •Amortization: Loan Amortization Schedule for a single or several loan payments. •Bond Price & Yield: Calculates the Price, Yield and Effective Duration of a Bond. •Black-Scholes Options: Calculates the CALL, PUT and “Greeks” values of a Black-Scholes European option. •Depreciation: Calculates depreciation with SL, SOYD, DB or MACRS methods and conventions. •Interest Rates: Nominal and effective interest conversion. •Time Value of Money: Calculates compound Interest problems. >Business Worksheets: •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 manual or on-line rates. •Inventory Turn Over. •Percents & Margins: Calculates %Change, %Total and Business margins. •Return on Investment. >Cash Flows Worksheets: •Equal Periods: Cash Flows occurring at regular time intervals. •Unequal Periods: Cash Flows occurring at arbitrary dates. >Statistics Worksheets: •Probability: 16 probability distributions. •One or Two variables Statistics. •Curve Fitting: 6 Regression models to fit a curve. >Scientific Worksheets: •Angles & Polar-Rectangular conversions. •Complex Numbers: Operations and functions with complex numbers. •Combinations & Permutations. •Logarithms, Trigonometric, Hyperbolic and Number Alteration functions. •Quadratic Equation solver •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. >Conversion Worksheets: •Angles: Convert angle between DEG,RAD,GRAD,DMS and Slope %. •Currencies: world currencies conversions with manual input or on-line current rates. •Interest Rates: Nominal and effective interest conversion. •Units: Physical units conversions. >General Worksheets: •Date: Calculates days between dates with Actual, 360 or 365 days calendars. •Time: Calculates time intervals between different times. •Solver: Calculates arbitrary equations entered as text expression to solve any of the variables knowing the others. •Storage Registers: Store and perform operations directly over the calculators storage registers. •Memory Content: Clear, Back-Up or Restore part or all of the Calculator's memory. •General Settings: Customize many aspects of the calculator including formats & feedbacks. •Help Documents: Description and examples of all the calculator worksheets and features. •General Settings to set classic and new keyboard skins, RPN and algebraic logic, sounds, display format, etc. >Editors Worksheets: To create or edit data •(Date,Trx) List: Transactions and the dates they occurs for the "Account Balance Worksheet". •(Date.CF) List: Cash flows and the dates they occurs for the "Unequal Periods Cash Flows Worksheet". •(X,N) List: Cash flows and repetitions for the "Equal Periods Cash Flows Worksheet". •(X,Y) List: X and Y data samples for the Statistics worksheets. •Solver Equation: Algebraic expression for use in the "Solver" worksheet. •Units Database: Customize the "Units" worksheet. System requirements: iOS 26.0 or above. 30-day free trial, then a single one-time Lifetime Purchase. No subscription. 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.

About

Quick Calc、

Read full description

【Quick Calculation】 offers a precision calculator designed for both everyday calculations and advanced mathematical tasks. **Basic and Scientific Modes** Switch between fundamental arithmetic operations and advanced scientific functions with a single tap. The interface maintains clean, intuitive controls for efficient calculation. **Bill Splitting** Easily divide expenses among multiple people. Enter the total amount and number of participants to quickly determine each person's share. **History Tracking** All calculations are automatically saved and accessible at any time. Review past results without interrupting your current workflow. **AI Math Assistant** Solve complex problems with assistance powered by Gemini technology. Ask questions, request step-by-step explanations, or explore different solution approaches. 【Quick Calculation】 combines essential tools for calculation management with intelligent support for learning and problem-solving. Premium Account Pricing and Terms $ 4.99/week* $ 39.99/year* *Prices shown are in U.S. dollars; actual charges may be converted to your local currency. Payment will be charged to your iTunes account at confirmation of purchase. Subscriptions automatically renew unless auto-renewal is turned off at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period, and the renewal cost will be provided. Subscriptions can be managed by the user. Turning off auto-renewal may be done by going to your account settings after purchase. Cancellation of the current subscription is not allowed during the active subscription period. Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication. EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://manteendmn.xyz/kuaisujisuan/privacy.html

Screenshots

RLM4 screens

Verdict

The call

The clearest difference is device support: RLM at 2 against Quick Calc、's —. Quick Calc、's advantage is iOS requirement (18.0 vs 26.0). On price and in-app purchases 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 and Quick Calc、 sells 2 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Scorecard2 real differences · 8 level
RLM versus Quick Calc、: the parameters behind the verdict, then further details
ParameterRLMQuick Calc、
PriceFreeFree
Rating5.0 (1 ratings) — better—
Positive reviews53.3% of reviews—
Number of ratings1 — better—
Update frequencyMonthly—
AdsNo—
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad — better—
Requires iOS26.018.0 — better
Further details — not scored
Size7 MB4 MB
Age rating4+4+
DeveloperR.L.M. SoftwareLink Cross-Border E-Commerce Co., Limited

In-app purchases

4 purchases

RLM

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

Quick Calc、

Subscriptions2
  • Weekly Ultra3 Days trial$4.997 Days
  • Yearly Ultra$39.991 Year

Questions

Is RLM free?
RLM is free to download, with in-app purchases available.
Is Quick Calc、 free?
Quick Calc、 is free to download, with in-app purchases available.

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