RPN-55 SD app icon

Apps Like RPN-55 SD for iPhone and iPad

by Willy Kunz★ 5.08 ratingsProductivity$1.99Data updated 2026-10-11

RPN-55 SD screenshots

Ranked alternatives

Showing 321–340 of 1,000 ranked alternatives.

  1. Simple Hex Calc app icon

    Simple Hex Calc

    Hiroki Ishiura

    Calculate, logic, memory, shift

    Perform arithmetic, logical, and memory operations. Calculate modulo, bit shifts, and bitwise functions. Save and load values. Switch number bases and modes via device rotation or screen edges.

    ★ 4.58 ratingsUtilities$0.99Data updated 2026-09-08
  2. Calculator For HD - app icon

    Calculator For HD -

    俊杰 刘

    Calculate with personalized themes and scientific tools

    Perform calculations with a scientific for advanced math. Customize themes and colors. Use split-screen mode for multitasking. Record calculation steps automatically. View historical records for data retrieval.

    ★ 4.115 ratingsUtilitiesFreeData updated 2026-09-06
  1. Halcyon Calc Lite app icon

    Halcyon Calc Lite

    Halcyon Touch Software

    Calculate and scroll through numbers

    Perform calculations with over 225 built-in operations including trigonometry, logarithms, complex functions, and real numbers. Scroll through the stack with finger gestures. Copy and paste results. Work with real and complex numbers.

    ★ 4.715 ratingsUtilitiesFreeData updated 2026-09-08
  2. Objective Calculator app icon

    Objective Calculator

    Thiago Anderson Martins

    Calculate, convert, and note with tabs

    Calculate with multiple tabs for different tasks. Use a regular , scientific functions, and currency converter. Add titles to tabs for easy organization. Note-taking feature available for quick reminders.

    ★ 4.720 ratingsUtilitiesFreeData updated 2026-09-13
  3. All-In-One: Calculator app icon

    All-In-One: Calculator

    DREAMCORE SRL

    Calculate, convert, and solve problems

    Perform calculations for arithmetic, percentages, proportions, and unit conversions. Convert currencies, measure areas and volumes. Solve complex equations and basic math problems. Switch between different calculation modes and units effortlessly.

    ★ 5.05 ratingsProductivityFreeData updated 2026-09-06
  4. UniCount scientific calculator app icon

    UniCount scientific calculator

    DANIIL VOIDILOV, IE

    Calculate, store, and solve equations

    Solves math problems with support for multi-story fractions, powers, and roots. Calculates trigonometric functions and complex numbers. Stores expressions and answers. Switches between basic, , and fraction modes.

    ★ 4.914 ratingsUtilitiesFreeData updated 2026-09-10
  5. Scientific Calculator * app icon

    Scientific Calculator *

    TOWER OF HANOI SOFTWARE COMPANY LIMITED

    Calculate, convert, exchange, solve

    Solve math problems with basic and complex calculations. Convert units and exchange currencies. Use fractions and square root functions. Perform calculations quickly and accurately.

    ★ 4.612 ratingsProductivityFreeData updated 2026-10-10
  6. Calculator Quest app icon

    Calculator Quest

    Masakazu Yonehara

    Calculator and RPG hybrid game.

    The app combines a calculator with role-playing game elements. It includes a quick-typing game and a math game for users to play.

    ★ 4.114 ratingsGamesFreeData updated 2026-10-03
  7. Zigma app icon

    Zigma

    Shenzhen Yugong Technology Co. Ltd.

    ★ 2.222 ratingsLifestyleFreeData updated 2026-09-19

How we rank alternatives

Apps are ranked by functional similarity, category fit, rating confidence, and popularity.