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
App detailsView in App Store

EngToolBox screenshots

Ranked alternatives

Showing 421–440 of 1,000 ranked alternatives.

  4. Franklin Electric AIM app icon

    Franklin Electric AIM

    Franklin Electric Co., Inc.

    Calculate cable length and gauge

    Access motor specifications by model number or rating. Calculate cable size for single or multiple submersible motor installations. Connect to technical resources and view helpful links to the AIM Manual website.

    ★ 4.85 ratingsUtilitiesFreeData updated 2026-09-12
    App details
  6. ECCS EC3 1.4 app icon

    ECCS EC3 1.4

    CMM - Associacao Portuguesa de Construcao Metalica e Mista

    ★ 0.00 ratingsUtilitiesFreeData updated 2026-09-06
    App details
  9. Calculator - Keyboard Support app icon

    Calculator - Keyboard Support

    JIE WANG

    Calculate

    General with allows users to perform basic arithmetic operations and access functions via an integrated . Input equations directly on the for calculations. Includes a scientific mode for advanced operations.

    ★ 4.39 ratingsProductivityFreeData updated 2026-09-06
    App details
  10. Electronics docs & calculators app icon

    Electronics docs & calculators

    Anas Abubakar

    Design circuits with component references

    Electrohelper allows users to access references for electronic components and circuits. It includes tools for calculating various filters like Butterworth, Sallen-Key, Chebychev, and Bessel. Users can view component details and circuit diagrams.

    ★ 5.04 ratingsEducation$4.99Data updated 2026-09-06
    App details
  12. Thermal Engineering Calc app icon

    Thermal Engineering Calc

    V PUGAZHENTHI

    Calculate efficiency and energy values

    Provides tools for calculating Carnot efficiency, Eckert number, emissivity coefficient, energy efficiency, and more. Users can access thermodynamics tables, formulas, and definitions.

    ★ 4.76 ratingsProductivity$2.99Data updated 2026-09-08
    App details
  13. CalcQX ~ the calculator app icon

    CalcQX ~ the calculator

    CodeQX

    Calculate and verify results instantly

    Perform basic arithmetic operations, percentage calculations, and unit conversions. Switch between standard and engineering modes for advanced scientific functions. Adjust display settings and access history for repeated calculations.

    ★ 4.52 ratingsUtilities$0.99Data updated 2026-09-08
    App details
  15. Calculator Desk Accessory app icon

    Calculator Desk Accessory

    Planetary Code LLC

    Calculate and scale across devices

    Allows users to perform basic and advanced calculations. It features a retro-modern design and supports scaling for iPhone and iPad screens. It works in split view and slide over modes.

    ★ 5.04 ratingsProductivity$4.99Data updated 2026-09-06
    App details

How we rank alternatives

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