RainbowCalc app icon

Apps Like RainbowCalc for iPhone and iPad

by Andre Silva★ 0.00 ratingsProductivityFreeData updated 2026-09-06

RainbowCalc screenshots

Ranked alternatives

Showing 61–80 of 1,000 ranked alternatives.

  1. 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
  2. Fractions Pro app icon

    Fractions Pro

    Intemodino Group s.r.o.

    Calculate with fractions and decimals.

    The app performs mathematical, engineering, scientific, and technical calculations. It handles fractions, mixed numbers, decimals, and integers with various functions including trigonometric operations and constants.

    ★ 2.914 ratingsProductivity$6.99Data updated 2026-10-23
  3. Schooly: School Schedule Maker app icon

    Schooly: School Schedule Maker

    ARTEFACT INC.

    Plan, track, and organize tasks

    Manage schedules and timetables with support for multiple calendars. Color-code classes for easy identification. Track to-dos, assignments, and exams with deadline reminders. Calculate attendance rates and record attendance entries.

    ★ 4.5395 ratingsEducationFreeData updated 2026-09-23
  1. Good Grapher - scientific graphing calculator app icon

    Good Grapher - scientific graphing calculator

    Iurii Mozharovskyi

    Graph functions and solve equations

    With history tape, real and complex number support, angle modes including radians and degrees. Features constants, unit conversions, and capabilities for equations and functions.

    ★ 4.6122 ratingsEducationFreeData updated 2026-09-08
  2. Calculator: Basic & Scientific app icon

    Calculator: Basic & Scientific

    Wuhan Ananta Technology Co., Ltd.

    Calculate, convert, solve, track

    Perform calculations using a basic, scientific, currency, and units calculator. View calculation history, convert numbers to speech, and synchronize results across all calculator modes.

    ★ 4.6203 ratingsUtilitiesFreeData updated 2026-09-28
  3. SFX Calc app icon

    SFX Calc

    Wai Kwong Lee

    Calculate with constants and memory

    SFX- performs basic arithmetic operations and allows calculations with a fixed constant. It includes non-volatile and volatile memory storage. It supports fraction and percentage calculations, linear regression, and statistical functions.

    ★ 4.7137 ratingsUtilitiesFreeData updated 2026-09-06
  4. SquareRootCalculator app icon

    SquareRootCalculator

    Jirou Fukuda

    Calculate square roots and fractions

    Calculate square roots and perform fraction operations. Execute basic arithmetic with unlimited precision. Simplify rational expressions easily. Input and compute complex equations without digit overflow.

    ★ 4.237 ratingsProductivityFreeData updated 2026-09-13
  5. Calculator App + app icon

    Calculator App +

    JanoGroup LLC

    Calculate equations with precision

    Allows users to perform basic and advanced arithmetic, including equations with parentheses and percentages. It features color-coded parentheses, a dual-display showing the equation and result, and a history log with copy and share options.

    ★ 0.00 ratingsUtilitiesFreeData updated 2026-09-06
  6. Calculator: Pro app icon

    Calculator: Pro

    Appgeneration, Software Technologies, Lda

    Calculate, convert, and solve equations

    MyCalc offers basic and scientific calculation functions. Users can switch between portrait and landscape modes. It supports currency and unit conversions. Results, equations, and conversions can be copied, shared, or saved.

    ★ 4.7584 ratingsProductivityFreeData updated 2026-10-12
  7. Good Grapher Pro - scientific graphing calculator app icon

    Good Grapher Pro - scientific graphing calculator

    Iurii Mozharovskyi

    Graph functions and solve equations

    With history tape, real and complex number support, angle modes including radians and degrees. Calculates astronomical constants and supports minutes, seconds, and grads.

    ★ 4.888 ratingsEducation$1.99Data updated 2026-09-08
  8. CalcMadeEasy Pro app icon

    CalcMadeEasy Pro

    Lalit Patil

    Calculate loans, convert units, take notes

    Perform financial calculations with tools for loan analysis, amortization schedules, and refinance savings estimation. Convert units across multiple categories. Automatically generate notes and track expenses for budgeting and planning.

    ★ 4.581 ratingsFinance$1.99Data updated 2026-10-06
  9. Simple Blackboard app icon

    Simple Blackboard

    Bita Sobhani

    Draw on or whiteboard

    Draw on a or whiteboard with adjustable brush sizes and multiple paint colors. Create shapes like lines, arrows, circles, and polygons. Add text with customizable font sizes. Import photos and record video directly within the .

    ★ 4.3137 ratingsProductivityFreeData updated 2026-09-16
  10. DayCalc Pro - Note Calculator app icon

    DayCalc Pro - Note Calculator

    良峰 侯

    Calculate, convert, and share results

    Offers a standard, scientific, and fractions with over 30 scientific operations. Users can add notes to calculation history and share entries. It supports portrait and landscape modes on iPhone and iPad, and split-screen functionality.

    ★ 4.6177 ratingsUtilities$0.99Data updated 2026-09-08
  11. Calculator # Converter app icon

    Calculator # Converter

    CAT VIET SOFTWARE DEVELOPMENT & MEDIA JSC

    Calculations made simpler than ever before.

    The app offers a scientific calculator with over 800 formulas. It includes currency and unit converters, date and time functions, and finance tools.

    ★ 4.370 ratingsUtilitiesFreeData updated 2026-09-25

How we rank alternatives

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