Six Functions of 1 dolar
Private & Offline Calculator
Only for iPhone
$7.99 · Designed for iPhone. Not verified for macOS.
iPhone
Instant compound interest calculations — 100% offline, 100% private. No accounts, no internet, no tracking.
Six Functions of a $1 is a fast, focused calculator for the six essential compound interest factors used in real estate, finance, and investment analysis: future value, present value, sinking fund, present value of an annuity, future value of an annuity, and capital recovery.
Enter an interest rate and a number of periods, choose your compounding frequency, and get all six results instantly — no formulas to remember, no spreadsheets to build.
Built for privacy from the ground up: every calculation happens directly on your device. There are no accounts to create, no data sent to a server, and no internet connection required. Your numbers stay yours.
FEATURES
Six Core Calculations Future value, present value, sinking fund factor, present value of an annuity, future value of an annuity, and capital recovery — computed simultaneously from a single rate and period input.
Calculation History Every calculation you save is stored locally so you can revisit, duplicate, or reload it into the calculator later.
100% Offline No network connection is ever required. The app works the same on a plane, underground, or with airplane mode on.
Private by Design No accounts, no sign-in, no analytics, no third-party tracking. Nothing leaves your device.
Clean, Modern Interface A distraction-free dark interface built natively in SwiftUI, designed for quick reading of precise numbers.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
The developer, Hugo Andrada, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Hugo Andrada
- Size
- 1 MB
- Category
- Finance
- Compatibility
Requires iOS 17 or later.
- iPhone
Requires iOS 17 or later. - Mac
Requires macOS 14.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Copyright
- © hugo.andrada
