Delta Calc is made and published by Stephen Coffey. AppBrain is an independent app data site and isn't affiliated with Stephen Coffey. The app name, icon, screenshots and description belong to Stephen Coffey and are shown as published on the App Store.
AppBrain's verdict
- Rating on App Store
- 5.00
- 2 ratings
- Last updated
- October 23, 2025
- Size
- 1.75 MB
It doesn't have enough ratings yet to judge what users think.
User feedback
Ratings and reviews on the App StoreComments on Delta Calc for iOS
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Store listing
By Stephen Coffey, from the App Store
Description by Stephen Coffey Written by the developer, not by AppBrain. Click to read.
Delta Calc can solve for any of the three values within the percent change formula. It solves for the a, b, or c value in the percent change formula ((b - a) / a) * 100 = c.
Other features include:
- Haptic feedback (can be disabled if desired)
- Change the number of decimal places displayed in the result (from 0 to 10)
- Fun animation when tapping the swap button (warning: could become addictive)
- Delightful to tap number pad buttons
- Enable and disable keyboard buttons
Terms: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Privacy: https://deltacalc.app/privacy
Support: https://deltacalc.app/support
Safety and technology
Found in the app by AppBrain- Price
- $0.99
- App size
- 1.75 MB
- Content rating
- Everyone
Technologies used by Delta Calc
Releases
Updates seen on the App Store- Version
- 1.12
- Launched
- June 2024
No changelog data
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Rankings
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About the app and developer
About Delta Calc
Delta Calc is an utilities app developed by Stephen Coffey.
User Ratings
Delta Calc is rated 5.00 out of 5 stars. The rating is based on 2 ratings.
App Information
Delta Calc costs $0.99. The app size is 1.75 MB. The latest version available is 1.12. The last update was on October 23, 2025.
Technical Requirements
The app has a content rating of Everyone. The app has been available on the App Store since June 2024.
Developer information for Stephen Coffey
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