e-calcFree app icon

Apps Like e-calcFree for iPhone and iPad

Calculate with scientific and engineering notation

Perform scientific and engineering calculations with support for notation like 1E-6 and multipliers such as p, n, u, m, k, M. Edit formulas, recalculate, and view calculation history.

by E-SKETT CORPORATION★ 3.01 ratingsProductivityFreeData updated 2026-09-08

e-calcFree screenshots

Ranked alternatives

Showing 821–840 of 1,000 ranked alternatives.

  1. Unit Converter 單位換算 app icon

    Unit Converter 單位換算

    First Bird Design & Technology Limited

    Convert units and currencies instantly

    Convert units across categories like weight, length, and temperature. Support multi-country currency exchange with real-time updates. Include Asian measurement units such as tael and ping. Save preferred units for quick access.

    ★ 5.01 ratingsUtilitiesFreeData updated 2026-09-06
  2. Inseries - Calculator app icon

    Inseries - Calculator

    Elemental Tools GmbH

    Modern calculator for menu bar.

    The app offers a modern calculator with a menu bar interface for quick access. It supports natural percentage calculations, calendar functions, and stores calculation history.

    ★ 0.00 ratingsFinance$9.99Data updated 2026-10-21
  3. Decuple Calc app icon

    Decuple Calc

    Hideaki Uchikoshi

    Calculate with 10 built-in calculators

    Display multiple calculators including scientific, financial, and unit conversion tools. Perform complex calculations, switch between modes, and save frequently used formulas. Share results via copy-paste or email.

    ★ 0.00 ratingsUtilitiesFreeData updated 2026-09-06
  4. A2Plus app icon

    A2Plus

    antoni michel

    Measure land area, perimeter, and distance

    Measure land area, perimeter, and distance with precise calculations in feet, inches, yards, or feet. Display multiple plots on a map with intermediate distances. Overlay French land registry data for accurate plot measurements.

    ★ 5.01 ratingsUtilities$20.99Data updated 2026-09-08
  5. Water Timer Free app icon

    Water Timer Free

    Piet Jonas

    Calculate water usage and cost.

    The app measures shower time to calculate water usage and cost. Users can save calculation history and email it for backup.

    ★ 5.01 ratingsFinanceFreeData updated 2026-09-29
  6. Big Number Calculator app icon

    Big Number Calculator

    Kunio Takeuchi

    Calculate large numbers with precision

    Perform arithmetic operations on large decimal numbers with up to 66000 digits. Add, subtract, multiply, and divide using a single format. Choose between Swift or Objective-C calculation engines.

    ★ 0.00 ratingsEducationFreeData updated 2026-10-18
  7. Unit Ⅽonverter app icon

    Unit Ⅽonverter

    Polymath Company Limited

    Convert units with custom and combined measurements

    Convert units of measurement with a calculator that handles multiple conversions at once. Input expressions for complex calculations. Support custom units and combined conversions.

    ★ 0.00 ratingsUtilitiesFreeData updated 2026-09-22

How we rank alternatives

Apps are ranked by functional similarity, category fit, rating confidence, and popularity.