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 821–840 of 1,000 ranked alternatives.


Settle Up Tip Calculator
Focused for Success, Inc.
Calculate tips and split bills quickly
Calculate tips and split bills using radio buttons to select tip percentages. Divide the total among multiple people with the "/" key for splits beyond six. Adjust amounts and view final totals directly.





CALCOs
Sportrade OU
Calculate, edit, and solve equations
Calco performs basic arithmetic operations including addition, subtraction, multiplication, and division. It saves calculation history for review, copying, or reuse. The interface is clean and focused for quick, distraction-free use.




Construction Calc – Estimator
Konstantin Khoroshun
Estimate materials offline instantly
Calculate material quantities for projects offline. Estimate concrete, drywall, paint, roofing, gravel, tile, insulation, and stairs. Input measurements for precise waste and conversion calculations. Export results for job planning.


DetAct Calculator
Flashover Engineering AB
Calculate activation time for detectors and rate
Calculate activation times for smoke detectors, heat detectors, sprinklers, and rate of rise heat detectors using power-law functions from the SFPE Handbook Fifth Edition. View validation tests and additional information within the .




How we rank alternatives
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