Rapid & Quick Calculator
Rapid & Quick Calculator is made and published by KinkumaDesign. AppBrain is an independent app data site and isn't affiliated with KinkumaDesign. The app name, icon, screenshots and description belong to KinkumaDesign and are shown as published on the App Store.
AppBrain's verdict
EstablishedLoved by users- Rating on App Store
- 4.80
- 1,482 ratings
- Last updated
- May 3, 2026
Users love it: 4.8 stars from 1,482 ratings.
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Releases
Updates seen on the App Store- Version
- 6.7.0
- Launched
- October 2015
No changelog data
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Technology
Found in the app by AppBrain- Price
- Free
- App size
- 7.12 MB
- Content rating
- Everyone
Technologies used by Rapid & Quick Calculator
About the app and developer
About Rapid & Quick Calculator
Rapid & Quick Calculator is a finance app developed by KinkumaDesign.
User Ratings
Rapid & Quick Calculator is rated 4.80 out of 5 stars. The rating is based on 1.5 thousand ratings.
App Information
Rapid & Quick Calculator is freely available from the App Store. The app size is 7.12 MB. The latest version available is 6.7.0. The last update was on May 3, 2026.
Technical Requirements
The app has a content rating of Everyone. The app has been available on the App Store since October 2015.
Developer information for KinkumaDesign
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Store listing
By KinkumaDesign, from the App Store
Description by KinkumaDesign Written by the developer, not by AppBrain. Click to read.
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!
This is the free version. A paid version is also available — it removes ads and offers four tax keys (the free version has two).