Apps Like RainbowCalc for iPhone and iPad
RainbowCalc screenshots
Ranked alternatives
Showing 41–60 of 1,000 ranked alternatives.
Invitation Maker - Flyer Maker
Essential Apps LLC
Send invitations with custom designs and music
Create custom online invitations with pre-designed templates. Add music, logos, and images to personalize eCards. Share invitations via email or social media. Choose from themed templates like party, birthday, and greetings.
Calculator Plus - PRO
DigitAlchemy LLC
Calculate, edit, and track numbers
Perform calculations with basic arithmetic, fractions, and advanced functions. Store calculation history for review. Switch between light and dark modes. Use HD display for clear results. Adjust layout for easier input.
CALC Smart Calculator ±
QApps LLC
Calculate, convert, and solve equations
Perform complex calculations with scientific formulas and unit conversions. Access calculation history via Spotlight and 3D Touch. Use widgets for quick access and history integration. Sync with Apple Watch for notifications and basic calculations.
Simple Calendar Daily Planner
Komorebi Inc.
Sync calendars, share events, manage tasks
Manage schedules with a clean, intuitive interface. Sync with iCloud and Google Calendar. Share events with others. Customize font size and appearance. View daily, weekly, and monthly views. Set reminders for appointments.
Calculator XLt
Gero Mazza
Calculate, convert, and compare values
Perform calculations with a standard featuring extra-large buttons and functions like delete, x², √, and %. Use a scientific with 30 advanced functions. Convert units, calculate loans, and determine tips.
MyScript Calculator
MyScript
Write calculations, edit, reuse results
Write calculations directly on the screen for real-time results. Edit equations with gestures or add elements anywhere. Drag and drop previous results for reuse. Supports interactive ink for natural handwriting input.
Big Button Calculator Pro
Cider Software LLC
Calculate with color and precision
Calculate with a dual-line display showing input and result simultaneously. Use percentage and backspace functions. Choose from 18 color themes. Enter multi-line equations. Automatically format scientific expressions. Access via Split View.
![[engineering] calculator app icon](https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/61/d2/bd/61d2bdf3-ef3f-0609-5940-26cc4a33ef09/AppIcon-0-0-1x_U007emarketing-0-8-0-85-220.png/512x512bb.jpg)
Unit Converter Calculator Pro
Rome Rock LLC
Convert units between metric and imperial systems
Convert units between metric and imperial systems including area, distance, speed, temperature, volume, time, weight, energy, and power. Calculate area, speed, distance, and volume with supported units. Switch between units quickly and accurately.
Uno Calculator
Uno Platform Inc.
Calculate, convert, and measure with precision
Perform calculations, convert units of measurement, and switch between different calculation modes. Input values, select formulas, and view results. Track history and manage multiple calculation sessions.
Calc Pro - Simple and Useful
Keita Nonaka
Calculate large numbers precisely
Perform complex mathematical calculations with up to 15 digits of decimal precision. Handle large numbers without ellipsis. Save and reuse calculation equations. Access calculation history even after closing the .
Calculator HD - Professional
Guangzhou Brilliance Forever Information Technology Co.Ltd
Record calculations, toggle voice reporting, share results
A with voice reporting options, customizable theme colors, and background images. Users can toggle voice features, adjust color schemes, and apply random themes.
Calcularium
InVooDoo LLC
Calculate expressions in real time
Calculate mathematical expressions in real time with live updates. Edit and restructure equations dynamically. View step-by-step solutions and adjust variables on the fly. Share results via copy-paste or export as images.
CaIculator
Edison Largo
Calculate, convert, and solve equations
Calculator allows users to perform basic and advanced mathematical operations. Input and display numbers with large, clear buttons. Correct entries using a backspace key. Support decimal points and parentheses for complex calculations.
Clock Widget - Funky Colors
Alan Mrvica
See time, date, and battery on home
Display current time, date, day of the week, and battery percentage on home screen. Customize and themes with multiple background and font options. Choose from three sizes. Add to home screen and update as needed. Requires iOS 14.
How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.