Pro Calculator Kit
Unit Converter, Loan, BMI
Only for iPhone
Free · In‑App Purchases · Designed for iPhone. Not verified for macOS.
iPhone
Free calculator, unit converter and percentage tools. Unlock Pro once for loan, currency, mortgage prepayment, health, dates and expert utilities.
Pro Calculator Kit brings daily calculations, unit conversion, finance, health, dates and practical utilities into one clean app.
Free tools:
• Calculator with history
• Unit converter for length, weight, temperature, speed, area, time and more
• Percentage, discount, tip and tax tools
Pro tools:
• Loan calculator with monthly payment and amortization
• Mortgage prepayment calculator to estimate interest saved, lower payment or shorter payoff time
• Currency converter with exchange-rate reference
• Savings, fuel cost and unit price tools
• Salary, hourly pay and estimated take-home pay
• Recipe scaler by servings
• BMI, BMR and weight goal tools
• Date difference, date add/subtract and anniversaries
• GPA, number base, world time and ovulation estimate
Lifetime Pro is a one-time purchase that unlocks all Pro tools forever. Optional subscriptions may be available in some regions.
Health tools are for reference only and do not replace medical advice. Financial tools provide estimates only and are not financial advice. Currency rates are for reference.
Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
Basic calculator, unit converter and percentage tools are now free.
Added Lifetime Pro as a one-time unlock for all advanced tools.
Added mortgage prepayment calculator to estimate interest saved, lower payment or shorter payoff time.
Improved calculator logic, repeated equals, percentage behavior and UI.
The developer, 双伟 王, 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
- 双伟 王
- Size
- 2.4 MB
- Category
- Utilities
- Compatibility
Requires iOS 17.6 or later.
- iPhone
Requires iOS 17.6 or later. - Mac
Requires macOS 14.6 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.3 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- Lifetime Pro $6.99
- Monthly $0.99
- Annual $4.99
- Copyright
- © 2026wsw