Calk USA
US Tax & Finance Calculators
Free · In‑App Purchases · Designed for iPad. Not verified for macOS.
Calk-USA is a collection of 700+ calculators built for Americans. Every result is based on current IRS rates and federal and state rules for the 2026 tax year. No sign-up, no ads, no tracking - and it all works offline.
WHAT'S INSIDE
Taxes
- Federal income tax across all 2026 brackets, plus all 50 states
- Self-employment, capital gains, AMT, and estimated quarterly taxes
- Standard deduction, child tax credit, EITC, and the 2026 SALT cap
Paycheck and family
- Hourly and salary take-home pay by state (federal, state, Social Security, Medicare)
- Overtime, bonus, and W-4 withholding
- Child and dependent care credit and 529 college savings
Home and money
- Mortgage payment, affordability, refinance, and amortization
- Personal loan, auto loan, and debt payoff
- Compound interest, 401(k), IRA, Social Security, and net worth
Everyday
- Tip, sales tax, fuel cost, and EV savings
- BMI, calorie, body fat, and due date
- Building, math, and unit converters
FEATURES
- Works offline. Every calculation runs on your device.
- Based on current IRS, SSA, and state government rates for 2026.
- Available in English and Spanish.
- No ads, no account, and no personal-data collection.
WHO IT'S FOR
Employees, freelancers and small-business owners, homebuyers, families, students, and anyone who pays taxes in the United States.
Website: https://calk-usa.com
Support: https://calk-usa.com/contact/
Privacy: https://calk-usa.com/privacy/
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
Remove Ads is here: a one-time purchase that turns off all banner and full-screen ads forever, on all your devices (Restore Purchase included). Prefer not to buy? Watch a short video for 6 ad-free hours.
Also in this update: current IRS interest rates (7% for Q3-Q4 2026), the August 2026 Section 7520 rate, and dozens of smaller data corrections across the calculators.
The developer, Konstantin Iakovlev, 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 Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Identifiers
- Usage Data
- Diagnostics
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Purchases
- Identifiers
- Usage Data
- Diagnostics
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Konstantin Iakovlev
- Size
- 157 MB
- Category
- Finance
- Compatibility
Requires iOS 15.0 or later.
- iPhone
Requires iOS 15.0 or later. - iPad
Requires iPadOS 15.0 or later. - iPod touch
Requires iOS 15.0 or later. - Mac
Requires macOS 12.0 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+
- Contains
Advertising
- In-App Purchases
Yes
- Remove Ads $4.99
- Copyright
- © 2026 Konstantin Iakovlev