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 121–140 of 1,000 ranked alternatives.

  1. Circuit Playground app icon

    Circuit Playground

    Adafruit Industries LLC

    Calculate component values and resistor codes

    Calculate component values for Op Amp, 555, RC Filter, and Resistor Divider circuits. Decode resistor and capacitor codes. Compute power, resistance, current, and voltage using Ohm's Law and Power Calculators.

    ★ 4.319 ratingsUtilities$2.99Data updated 2026-09-08
  2. Electrical Engineering - lite app icon

    Electrical Engineering - lite

    V PUGAZHENTHI

    Calculate voltage, current, and resistance

    Calculate values using voltage, current, resistance, and power formulas. Access single and three phase calculators, horsepower tools, and unit converters. Unlock additional features with an in- purchase.

    ★ 4.7252 ratingsEducationFreeData updated 2026-09-09
  3. Calculator - 15 Calculators app icon

    Calculator - 15 Calculators

    RV AppStudios LLC

    Calculate, edit, and store equations

    Perform basic arithmetic operations including addition, subtraction, multiplication, and division. Access scientific functions for advanced calculations. Input data directly for quick results. Store and recall previous calculations.

    ★ 4.418 ratingsUtilitiesFreeData updated 2026-09-06
  1. CalcMadeEasy app icon

    CalcMadeEasy

    Lalit Patil

    Calculate and note with precision

    Perform calculations using a scientific calculator with customizable layouts. Take notes automatically with the notepad feature. Enable multitasking with slide over and split view on iPad. Drag and drop elements for easy rearrangement.

    ★ 4.7335 ratingsUtilitiesFreeData updated 2026-09-08
  2. CompSci Calculator app icon

    CompSci Calculator

    Corey Smith

    Calculate in decimal, hexadecimal, and binary

    Calculate in decimal, hexadecimal, and binary bases. Switch between bases during equations and view real-time conversions. Display values in all three bases simultaneously. Perform arithmetic operations across different number systems.

    ★ 4.442 ratingsUtilitiesFreeData updated 2026-09-11
  3. Pascal: 3-in-1 Calculator app icon

    Pascal: 3-in-1 Calculator

    Andrew Wei

    Calculate, graph, code with precision

    Perform complex calculations with scientific, graphing, and programmer modes. View graphs and equations. Use the Today widget for quick access. Unlock advanced features with in- purchases. Reinstall to reset trial periods.

    ★ 4.023 ratingsProductivityFreeData updated 2026-09-09
  4. Electric Toolkit - Calculator app icon

    Electric Toolkit - Calculator

    Cyberprodigy LLC

    Wire diagrams, pinouts, calculate electricity

    Access electrical wiring diagrams for switches, fans, and outlets. Calculate grounding conductor sizes. View diagrams for 3-way switches, 4-way switching, GFCI, and more. Includes NEC 2014 to NEC 2023 standards.

    ★ 4.8289 ratingsUtilities$5.99Data updated 2026-09-08
  5. DRR Rescue app icon

    DRR Rescue

    Tom PENDLEY

    Access procedures, navigate quickly, view illustrations

    Access technical procedures with fast navigation through 240 illustrated pages. Watch updated video tutorials and use shoring calculators to generate cut-lists. Save and share critical information directly.

    ★ 4.9518 ratingsReference$19.99Data updated 2026-10-28
  6. Binary Calculator. app icon

    Binary Calculator.

    Edgar Garcia Leyva

    Convert numbers between , octal, decimal,

    Convert numbers between , octal, decimal, and hexadecimal systems. Perform step-by-step conversions. Adjust application theme, set maximum digits in fractional results, choose negative number representation, and limit bits in negative outputs.

    ★ 4.910 ratingsUtilitiesFreeData updated 2026-09-06
  7. Taxealo app icon

    Taxealo

    Miguel Morales

    Calculate tax and total price before purchase

    Calculate tax amounts and total prices including tax for any rate. Apply discount percentages to reduce total amounts. View breakdowns of tax, discount, and final price. Share results via copy or email.

    ★ 4.890 ratingsFinanceFreeData updated 2026-09-10
  8. Calculator + AR Ruler BLACK #1 app icon

    Calculator + AR Ruler BLACK #1

    DIGIID LLC

    Measure and calculate with AR precision

    AR measuring lets users tap two points on the camera screen to measure object lengths. Auto convert button changes units. performs basic math functions.

    ★ 5.019 ratingsUtilitiesFreeData updated 2026-09-06
  9. eCalculator - Enhanced Edition app icon

    eCalculator - Enhanced Edition

    Ratha Sou

    Calculate, edit, and save equations

    Perform basic and scientific calculations with equation display and history tracking. Switch between binary, octal, decimal, and hexadecimal modes. Calculate fractions directly. Use widget for quick computations.

    ★ 4.6138 ratingsUtilitiesFreeData updated 2026-09-06
  10. Sous Chef - Cook Tools & Timer app icon

    Sous Chef - Cook Tools & Timer

    Michael Chu

    Set timers, track recipes, manage ingredients

    Manage kitchen tasks with configurable timers that function even when the is not running. Calculate servings and convert measurements using a built-in chart. Save notes and favorite websites for quick access.

    ★ 4.5338 ratingsFood & DrinkFreeData updated 2026-09-08

How we rank alternatives

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