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.
EngToolBox screenshots
Ranked alternatives
Showing 301–320 of 1,000 ranked alternatives.
Structural Engineering Calc.
V PUGAZHENTHI
Calculate parameters and units
Calculator provides tools for calculations. Users can compute shear capacity, critical ratio, effective length factor, slenderness ratio, and allowable compressive stress for columns. Available in imperial and metric units.
AllBaseConvert
Amrit Duwal
Convert numbers between Hex, Dec, Oct, Bin
Convert numbers between hexadecimal, decimal, octal, and binary formats. Input a value and select the target format. Display results with clear formatting and support for both integer and fractional values.
Electronics docs & calcs
Anas Abubakar
Design circuits, calculate values, reference components
Electrohelper allows users to access reference information on electronic components and circuits. It includes tools for calculating various filter types such as Butterworth, Sallen-Key, Chebychev, and Bessel.
GO-25 SciRPN
Steve Lidie
Calculate with RPN and stack registers
Simulates a programmable scientific calculator with RPN input. Features a 10-digit LED display, four stack registers, and ten storage registers. Includes math, trigonometric, and statistical functions.
Calculator Pro : All in 1 calc
Ankur Dhameliya
Calculate, solve, and analyze equations
Offers basic and scientific calculation tools. Perform addition, subtraction, multiplication, and division with the basic . Use trigonometric functions, logarithms, and exponents in the scientific mode. Save and recall previous calculations.
DRC - Detailing Calculator
Alfredo Zuniga
Calculate dilution ratio and water needed
Calculate dilution ratios for automotive . Enter container size and desired ratio to determine water and product amounts in ounces or milliliters. Learn about panel impact ratio and how to calculate it.
Ohm & Watt Law Electrical Calc
TrothMatrix OPC Private Limited
Calculate voltage, current, resistance, and power
Calculate Voltage, Current, Resistance, and Power using Ohm’s Law and ’s Law. Input values to solve for unknowns. Display results instantly. Includes formulas for calculations. Supports both direct and indirect circuit analysis.
How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.