Calculator HD Pro
Calculator HD Pro Summary
Calculator HD Pro is a with in-app purchases iOS app in the Tools category, developed by Cider Software LLC. First released 13 years ago(Oct 2012), the app has 11K ratings with a 4.82★ (excellent) average rating.
Data tracking: SDKs and third-party integrations were last analyzed on Apr 8, 2025.
Store info: Last updated on App Store on Jul 10, 2025 .
4.82★
Ratings: 11K
Screenshots
App Description
A colorful calculator with big buttons, comprehensive features, and extensive customization. Used by millions. Completely ad-free.
SEE EVERY STEP
・Dual-line display - shows your input and result simultaneously
・Multi-line input for long equations
・Tap & hold to move the cursor or copy and paste where you want
SAVE YOUR WORK
・History saves every calculation with time and date
・Label important calculations for easy reference
・Email single calculations or complete history
・Swipe down to review previous work
CUSTOMIZE EVERYTHING
・6 layouts including extra-large button options
・10 color themes plus Dark Mode
・Adjustable font size and bold text
・Left-handed mode
・Show or hide features you don't need
SCIENTIFIC FUNCTIONS
・Full scientific calculator when needed
・Memory buttons with values displayed
・Percentage and backspace buttons
・Automatic scientific notation
・VoiceOver accessibility
OPTIONAL IN APP PURCHASES
・Today View Widget (iOS 17 and below)
・Multiple History Tapes
ADDITIONAL FEATURES
・Customizable button symbols and decimal settings
・Multiple backspace button styles
・iPad Split View and 3D Touch support
・Gesture controls for quick access
URL Scheme: calculatorhdpro://