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 81–100 of 1,000 ranked alternatives.

  1. CP HexCalc app icon

    CP HexCalc

    Charles Prineas

    Convert numbers between formats

    Allows conversion between Hex, Decimal, Octal, Binary, and Dozenal values. Features include large buttons for accurate input, a large display for readability, and gesture-based copy/paste functionality.

    ★ 4.810 ratingsUtilitiesFreeData updated 2026-09-08
  2. Dilution Calculator app icon

    Dilution Calculator

    Samuel Blackburn

    Calculate ratios instantly

    Calculate ratios by entering the desired ratio and bottle size. Determine the exact amounts of water and solution needed. Supports litres and millimetres with future unit additions. Share results or provide feedback through in- options.

    ★ 4.7127 ratingsUtilitiesFreeData updated 2026-09-06
  1. Basic Calculator - app icon

    Basic Calculator -

    SuperDG Inc.

    Calculate, edit, and track entries

    Perform arithmetic operations with a simple interface. View current calculations and track history. Supports universal device compatibility. No advanced or engineering functions included.

    ★ 4.61,877 ratingsUtilitiesFreeData updated 2026-09-08
  2. 0xCalc app icon

    0xCalc

    Thomas J Foster

    ★ 0.00 ratingsUtilities$0.99Data updated 2026-09-06
  3. Kalkulilo (Calculator) app icon

    Kalkulilo (Calculator)

    Alexander Clauss

    Calculates with multiple modes and customizable settings

    The app provides multiple calculation modes for various mathematical tasks. The app includes customizable interfaces and widgets for convenient use across devices.

    ★ 4.529 ratingsProductivity$2.99Data updated 2026-09-09
  4. Binary Decimal Converter app icon

    Binary Decimal Converter

    Satish Boggarapu

    Convert numbers between , , Hexadecimal,

    Convert numbers between , , hexadecimal, and octal formats. Input a value and select the target format for conversion. Display results clearly with error handling for invalid entries.

    ★ 4.968 ratingsEducationFreeData updated 2026-09-06
  5. Beam Engineering lite app icon

    Beam Engineering lite

    V PUGAZHENTHI

    Calculate parameters and convert units

    Calculator provides tools to analyze and convert and Civil parameters. Users can calculate critical bending moments for rectangular, open, and nonuniform cross sections. Additional calculators for stress and deflection are available via in- purchase.

    ★ 4.432 ratingsUtilitiesFreeData updated 2026-09-10
  6. Simple Calculator. app icon

    Simple Calculator.

    tasser gyati

    Calculate with real-world logic

    Perform calculations with a running total and real-world logic. Handle cost, sell, and margin computations. Add or subtract percentages in one step. Features large buttons and a clear display for easy use.

    ★ 4.61,439 ratingsUtilitiesFreeData updated 2026-09-06
  7. Trigonometry Help app icon

    Trigonometry Help

    Armchair Engineering

    Solve right-angled triangles quickly

    Solve right-angled triangles by inputting known sides or angles. View step-by-step calculations and a scale drawing of the triangle. Access basic trigonometric formulae. Enter angles in radians, decimal degrees, or degrees, minutes, seconds.

    ★ 4.7479 ratingsUtilities$1.99Data updated 2026-09-08
  8. Binary Converter Calculator+ app icon

    Binary Converter Calculator+

    Michael Horowitz

    Convert text to and vice versa

    Convert text, , hexadecimal, and decimal values to each other. Perform calculations using , hexadecimal, and decimal bases. Display results in clear, minimalistic format. No advertisements. Encode messages in for simple data manipulation.

    ★ 5.04 ratingsUtilities$0.99Data updated 2026-09-06
  9. Fraction Help app icon

    Fraction Help

    Armchair Engineering

    Solve fractions and view steps

    Solve equations with addition, subtraction, multiplication, and division. View step-by-step working to understand solutions. Handle mixed and partial fractions. Convert between decimals and fractions. Find factors of numbers or common factors.

    ★ 4.4207 ratingsUtilitiesFreeData updated 2026-09-08
  10. SIMpull 600V Calculator app icon

    SIMpull 600V Calculator

    Southwire Company

    Calculate wire pull characteristics and generate NEC®

    The includes multiple calculators for electrical wire pull calculations. Users can input parameters for voltage drop, ground wire sizing, ampacity adjustments, and phase wire attributes. Results are generated according to NEC® standards.

    ★ 4.259 ratingsReferenceFreeData updated 2026-09-08
  11. ACalc - Scientific Calculator app icon

    ACalc - Scientific Calculator

    Netviking AB

    Calculate with trigonometric and exponential functions

    Store values by pressing "STO" and selecting a memory slot. Perform basic arithmetic and advanced mathematical functions including sine, cosine, logarithm, and exponential.

    ★ 4.382 ratingsUtilitiesFreeData updated 2026-09-09
  12. Calculator Advanced app icon

    Calculator Advanced

    Mert Can Kus

    Save formulas, enter variables, calculate results

    Allows users to save formulas for repeated use. Enter variables to recalculate results without rewriting formulas. Supports trigonometric functions, logarithms, factorials, and permutations. View saved formulas and variables for easy access.

    ★ 4.496 ratingsProductivity$0.99Data updated 2026-09-06

How we rank alternatives

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