Rapid & Quick Calculator Pro
Rapid & Quick Calculator Pro Summary
Rapid & Quick Calculator Pro is a ad-supported iOS app in Finance by KinkumaDesign. Released in Dec 2015 (10 years ago). It has 810 ratings with a 4.70★ (excellent) average. Based on AppGoblin estimates, it reaches roughly 8.2K monthly active users and generates around $<10K monthly revenue (0% IAP / 100% ads). Store metadata: updated May 3, 2026.
Store info: Last updated on App Store on May 3, 2026 .
4.7★
Ratings: 810
Screenshots
App Description
Over 300,000 downloads worldwide!
A fast, friendly calculator built for everyday use — shopping, splitting bills, household budgeting, and more.
FEATURES
* History Tape — review your past calculations and reuse any answer with a single tap
* Expression Input — type the whole equation, just like you'd write it on paper
* Sales Tax — toggle tax-included/excluded with a single button; swipe to switch between multiple tax rates
* Percentage Discounts — e.g. 100 - 30% = 70
* Precise Rounding Settings
* Multiple Color Themes
* Multiple Font Sizes and Typefaces
* Arrow Keys — move the cursor left or right to edit any part of the expression
* Share — send expressions and answers to other apps
* iPad Support — including Slide Over and Split View on supported devices
* Sound Effects
To reuse or edit an equation from your history, swipe left on it (or touch and hold) to open the menu.
We'd love to hear your feedback!