Best apps like Rainbow Calculator - Colorful Calculator Plus

47+ similar apps compared and reviewed

4.1 avg rating
8 free apps
Updated July 2026

Whether you want more options like Rainbow Calculator or a completely different take on the same concept, our curated list of 47+ similar apps has you covered. Updated for 2026 with the latest ratings and comparisons.

Top Alternatives to Rainbow Calculator

iColorfulCalculator#1

iColorfulCalculator by Tsung-Liang Chen

Editor's Choice
🔧 Utilities
5.0(2 ratings)
FreeAds
iColorfulCalculator screenshot 1
iColorfulCalculator screenshot 2
iColorfulCalculator screenshot 3
iColorfulCalculator screenshot 4
iColorfulCalculator screenshot 5

This calculator app allows you to personalize its appearance with various color themes and button skins. It offers features like drop-down history, customizable button feedback, and automatic font resizing for a tailored user experience.

Calculator COLORS#2

Calculator COLORS by newforestar co,.ltd

Simple flat design calc
Strong Contender
🔧 Utilities
3.0(1 ratings)
FreeAds
Calculator COLORS screenshot 1
Calculator COLORS screenshot 2
Calculator COLORS screenshot 3

This utility app offers a straightforward calculator with a customizable flat design. Users can select from five color themes and choose a preferred function key from options like percentage or tax. It also features calculation history and clipboard integration for easy data transfer.

More apps like Rainbow Calculator

4
malc
malc
malc
Simple calculator for usual us
$1.99
🔧 Utilities
(0)
5
Art Calc: Colorful Calculator
Art Calc: Colorful Calculator
Art Calc: Colorful Calculator
Create Your Own Calculator!
Free

Personalize your calculator's appearance with a vast array of colors, fonts, and design options. Save custom themes and utilize comprehensive calculation functions. Optimized for iPad multitasking.

138 color options68 font choicesAdjustable key design
🔧 Utilities
(9)
free with in-app purchases
6
MultiCalc: Advanced Calculator
MultiCalc: Advanced Calculator
MultiCalc: Advanced Calculator
Calc, Unit Converter, Graphing
$1.99

This advanced calculator offers three powerful modules: a comprehensive scientific calculator with complex number and matrix support, a vast unit converter, and an interactive 2D graphing tool. It's designed for users needing advanced mathematical functions and conversions across various disciplines.

Advanced scientific calculatorComplex number and matrix calculationsExtensive unit converter
🔧 Utilities
(2)
paid
7
Unlimited Calculator Pro
Unlimited Calculator Pro
Unlimited Calculator Pro
by fabrizio chimienti
Free

This app provides a powerful and accurate calculator capable of handling extremely large numbers and complex equations without errors. It features a clean interface and lightning-fast performance for students, professionals, and math enthusiasts.

Boundless calculations with large numbersPinpoint scientific precisionClean and intuitive interface
🔧 Utilities
(3)
ad-supported
8
Calculator Flower+
Calculator Flower+
Calculator Flower+
Simple & beautiful calculator
Free

A simple and beautiful calculator with customizable themes and larger buttons. It offers a unique plaything mode for interactive number manipulation and basic arithmetic operations.

Customizable color background designsLarger, easy-to-use buttonsPlaything-calculator-mode for number dragging
🔧 Utilities
(26)
ad-supported
9
Newmo Calc -Calculator Tax++
Newmo Calc -Calculator Tax++
Newmo Calc -Calculator Tax++
Drag and drop tax included!
Free

This calculator app offers intuitive tax inclusion and exclusion with drag-and-drop functionality for buttons like '%' and memo. Customize your experience with various color themes and enjoy features like one-handed mode and easy screenshot sharing. It also provides a paid version for an ad-free experience and expanded features.

Drag and drop tax inclusionOne-handed modeCustomizable color themes
🔧 Utilities
(2)
free with in-app purchases
10
DECalculator
DECalculator
DECalculator
by Mykola Golyash
Free
🔧 Utilities
(0)