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 241–260 of 1,000 ranked alternatives.

  1. ASCO Sizing & Calculator Tools app icon

    ASCO Sizing & Calculator Tools

    Asco Valve Inc.

    Calculate flow and determine Cv values

    Calculate fluid flow or determine Cv values by selecting media and inputting data. Use actuator with Numasizing® technology for cylinder types. Access conversion calculators and find nearby distributors.

    ★ 4.03 ratingsUtilitiesFreeData updated 2026-09-14
  1. CITIZEN & GST CALCULATOR app icon

    CITIZEN & GST CALCULATOR

    Rajeshbhai Dholakiya

    Calculate taxes with one click

    Calculate taxes with real-time GST rate updates. Input values to compute and GST amounts. Use memory functions M+, M-, MR, MU for financial calculations. Switch between two button layouts for easier navigation.

    ★ 4.818 ratingsUtilitiesFreeData updated 2026-09-06
  2. Public Safety Dive Calculator app icon

    Public Safety Dive Calculator

    Public Safety Dive Supply LLC

    Dive planning math for safety teams.

    The app provides a toolkit for public safety dive teams to calculate common dive planning values. It includes calculators for gas partial pressure, gas consumption, SAC, tank factor, tank volume, and MOD.

    ★ 2.24 ratingsEducationFreeData updated 2026-10-05
  3. NilnocCalc app icon

    NilnocCalc

    John Conlin

    Calculator with multiple display options.

    The app offers a 64-bit calculator with 10 registers for saving values and multiple display options including Hex, Oct, and Bin. It includes trigonometric functions, unit conversions, and combinations/permutations calculations.

    ★ 5.01 ratingsProductivityFreeData updated 2026-10-05
  4. MicroWave Calculator app icon

    MicroWave Calculator

    Keysight Technologies, Inc

    Calculate measurement errors

    Calculate measurement errors using directivity and mismatch error tools. Convert ratios to decibels. Compute noise figures and antenna parameters. Input values and retrieve calculated results.

    ★ 2.45 ratingsBusinessFreeData updated 2026-09-08
  5. 01Converter app icon

    01Converter

    Francesco Burelli

    Number conversion and bit manipulation tool.

    The app converts numbers between binary, hexadecimal, octal, and decimal formats. It includes functions for bit shifting, adding one, and subtracting one, with an optimized keyboard for input.

    ★ 4.52 ratingsProductivityFreeData updated 2026-09-12
  6. MGPC Marriage Point Calculator app icon

    MGPC Marriage Point Calculator

    Rajan Maharjan

    Calculate scores for games

    Calculate scores for , Call Break, and Kitti (Rummy) games. Track points and adjust rates during gameplay. Customize game settings and record scores for each round.

    ★ 4.7115 ratingsGamesFreeData updated 2026-09-06
  7. GO-21 SciRPN app icon

    GO-21 SciRPN

    Steve Lidie

    Calculate using RPN and stack registers

    Simulates a retro scientific calculator with RPN input. Features a 10-digit LED display, four stack registers, and a storage register. Includes math, trigonometric, and logarithmic functions. Displays results in polar/rectangular formats.

    ★ 4.913 ratingsUtilities$2.99Data updated 2026-09-08
  8. EazyCalc app icon

    EazyCalc

    TA MINH QUANG

    Track calculations and annotate steps

    Perform calculations with a minimalist interface. View intelligent calculation displays and track results through annotation features. Adjust font options in future updates.

    ★ 4.911 ratingsProductivityFreeData updated 2026-09-06
  9. GeoGebra Classic app icon

    GeoGebra Classic

    GeoGebra GmbH

    Plot functions and solve equations

    Graphing Calculator allows plotting functions with sliders and solving equations. Geometry Calculator enables creating interactive geometric constructions. 3D Calculator graphs functions and surfaces.

    ★ 3.078 ratingsEducationFreeData updated 2026-09-08

How we rank alternatives

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