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 321–340 of 1,000 ranked alternatives.
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.
Calculator Plus History Record
Chirag Gabani
Calculate and view past entries
Track and view past calculations in real time during use. Perform basic math operations with customizable settings. Save calculation for future reference and verification.
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.
Date & Time Calculator Counter
FugaPiyo Inc.
Calculate dates, times, and differences
Calculate and differences. Add or subtract dates and times. Save results to bookmarks. Supports dark mode. No cost for usage.
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.
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.
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.
IP Keypad Pro - Subnet Calc
Takahiro Furuya
Subnet calculator with dedicated keypad.
The app calculates network, host, and directed broadcast addresses. It features a dedicated keypad, pickers for subnet mask and prefix length, and a binary digit view.
Robotics Nexus
Skyler Clagg
Access team info, events, and scores
Track favorite teams and events. View match details, rankings, and leaderboards. Access game manuals and scoring calculators. Add notes on matches and teams. Search for teams and events. Monitor world skills rankings.
Ham Radio Reference
Snecadev
Amateur radio reference for all users.
This reference app provides quick access to amateur radio band limits, country codes, band plans, radiogram messages, grid squares, and time. It also includes the RST system, Morse code, phonetic alphabet, unit abbreviations, and metric prefixes.
How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.