EngToolBox app icon

Apps Like EngToolBox for iPhone and iPad

Learn, track, and secure notes

Multi-purpose calculators for basic math and advanced engineering functions. Track stress with a secure journal using Keychain security. Access all features offline. Store data locally with no cloud syncing. Set a PIN for journal access.

by Irfan Uruci★ 0.00 ratingsEducationFreeData updated 2026-09-06

EngToolBox screenshots

Ranked alternatives

Showing 161–180 of 1,000 ranked alternatives.

  1. Time Calculator × app icon

    Time Calculator ×

    DOUBLE U s.r.o.

    Calculate with precision and ease

    Perform -based calculations with addition, subtraction, multiplication, and division. Input and display in days, hours, minutes, and seconds. Customize format preferences. Convert between different units.

    ★ 4.7288 ratingsUtilitiesFreeData updated 2026-09-16
  2. Extraordinary Calculator app icon

    Extraordinary Calculator

    奇锴 舒

    Calculate continuously with precision

    Perform continuous arithmetic operations with a clean interface. Add, subtract, multiply, or divide numbers sequentially. Clear entries and view results instantly without needing to restart calculations.

    ★ 5.01 ratingsUtilities$99.99Data updated 2026-09-06
  3. Grandma Calculator app icon

    Grandma Calculator

    Julien Eyries

    Calculate, edit, and save equations

    Perform basic arithmetic operations, calculate percentages, and use memory functions. Switch between scientific and basic modes. Save and recall previous calculations.

    ★ 4.693 ratingsUtilitiesFreeData updated 2026-09-06
  1. 2nd Phone Number-Text App,Call app icon

    2nd Phone Number-Text App,Call

    友海 张

    Get a number, call, and text freely

    Send and receive free text messages and make free calls using a virtual number. Generate QR codes, use a calculator, and pick colors. Connect with contacts globally.

    ★ 4.7368 ratingsUtilitiesFreeData updated 2026-09-06
  2. Ordinary Calculator app icon

    Ordinary Calculator

    奇锴 舒

    Calculate, edit, and track expressions

    Perform basic arithmetic operations including addition, subtraction, multiplication, and division. View calculation history. Edit previous entries. Use free, real-time display for accurate results.

    ★ 4.929 ratingsUtilitiesFreeData updated 2026-09-06
  3. Calculator SC-323PU app icon

    Calculator SC-323PU

    Thomas Oellinger

    Calculate, edit, and track equations

    The provides scientific calculations, unit conversion, and logic-based computations. Users can switch between modes. It includes a built-in manual for operation guidance. Perform n-base conversions and unit-based calculations.

    ★ 4.7118 ratingsUtilities$3.99Data updated 2026-09-08
  4. Calculators XL app icon

    Calculators XL

    Piet Jonas

    Dedicated calculators bundled in one app.

    The app offers a selection of dedicated calculators. It includes a full text calculator with history, percentage calculator, savings and interest calculator, loan and mortgage calculator, and a VAT and sales tax calculator.

    ★ 2.04 ratingsProductivity$2.99Data updated 2026-09-14
  5. Concrete Engineering app icon

    Concrete Engineering

    V PUGAZHENTHI

    Calculate parameters and ratios

    Calculator provides tools for 56 calculations including water/cement ratio, job mix volume, modulus of elasticity, and tensile/compressive strength.

    ★ 4.210 ratingsEducation$3.99Data updated 2026-09-08
  6. Mulch Calculator Plus app icon

    Mulch Calculator Plus

    Calc Hub, LLC

    Calculate for beds and areas

    Calculate needed for flower beds, shrubbery, or other landscaped areas. Input dimensions in inches, feet, yards, centimeters, or meters. Output includes cubic yards, cubic feet, cubic meters, liters, and bag counts.

    ★ 4.8263 ratingsUtilitiesFreeData updated 2026-09-24
  7. MOMENT - Mechanics Calculator app icon

    MOMENT - Mechanics Calculator

    Jisu Jang

    Calculate stress, strain, and beam deflection

    Of materials for engineering students. Perform stress strain, torsion, bending, beam deflection, and principal stress calculations. Use built-in material presets for steel, aluminum, and concrete.

    ★ 0.00 ratingsEducationFreeData updated 2026-09-06
  8. Plusly Calculator app icon

    Plusly Calculator

    Emmanuel Vizcarra

    Calculate, edit, and share results

    Perform calculations with advanced operators and scientific functions. Use trigonometric, logarithmic, and round functions. Calculate tips and discounts. Edit expressions on the fly with a magic cursor. Share results directly.

    ★ 5.01 ratingsUtilitiesFreeData updated 2026-09-06
  9. Annuity Calculator - Calc app icon

    Annuity Calculator - Calc

    Phan Nhat Đang

    Calculate accumulation and payout

    Calculate accumulation and payout phases with built-in calculators. Input variables to determine payment amounts and timing. View results for informed financial planning.

    ★ 4.4111 ratingsFinanceFreeData updated 2026-09-06
  10. iPink Calculator app icon

    iPink Calculator

    Exeersoft Inc

    Calculate, convert, tip, tax

    Perform calculations with a standard , convert currencies, calculate tips, and compute taxes. Input numbers and operators to get results. Share calculations via email.

    ★ 4.3200 ratingsFinanceFreeData updated 2026-09-08
  11. Quadratic Roots Calculator app icon

    Quadratic Roots Calculator

    Joey Mitchell

    Find quadratic equation roots easily.

    The app calculates the roots of a quadratic equation and the axis of symmetry. It includes built-in formulas, requiring users to input only the given information.

    ★ 0.00 ratingsEducation$0.99Data updated 2026-09-25
  12. StylishCalculator: Cute Themes app icon

    StylishCalculator: Cute Themes

    Hikari Mano

    Customize designs and calculate efficiently

    Customize calculator appearance with wood grain, marble, floral, and other designs. Change icon for personalization. Perform basic math operations including addition, subtraction, multiplication, and division.

    ★ 4.817 ratingsLifestyleFreeData updated 2026-09-06

How we rank alternatives

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