The Engineers Field Toolkit

100 essential tools in one app

Only for iPhone

$1.99 · Designed for iPhone. Not verified for macOS.

iPhone

100 Essential Engineering Tools All tools are designed to run instantly on your iPhone with zero internet required. Core Categories Mechanical Engineering Torque & power calculators Beam deflection & stress tools Thermal expansion Gear ratios & pulley systems Pressure, force & area Electrical Engineering Ohm’s law & power calculators Voltage dividers Resistor & capacitor tools Battery life estimation Wire resistance Civil & Structural Concrete & material estimators Load & stress tools Slope & grade Tank & volume calculators Basic flow & pressure Math & General Engineering Unit conversions (full system) Scientific & geometry tools Ratios, interpolation & formulas Energy & physics calculators Density, velocity & more Designed for Real-World Use Engineer’s Field Toolkit is built like a precision instrument. Fast, instant calculations Clean professional dark interface Works completely offline All formulas visible Unit switching built in Favorites & recent tools No login required This is the app you reach for when you need answers immediately.

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Added a substantial reference library.

Version 2.0

The developer, Holger von Ameln, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Collected

    The developer does not collect any data from this app.

    Privacy practices may vary, for example, based on the features you use or your age. Learn More

    Accessibility

    The developer has not yet indicated which accessibility features this app supports. Learn More

    Information

    Seller
    Holger von Ameln
    Size
    2.6 MB
    Category
    Utilities
    Compatibility
    Requires iOS 16.0 or later.
    • iPhone
      Requires iOS 16.0 or later.
    • Mac
      Requires macOS 13.0 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 1.0 or later.
    Languages
    English
    Age Rating
    4+
    Copyright
    © 2026 Holger von Ameln
  • Privacy Policy

    • Supports

    • Family Sharing

      Up to six family members can use this app with Family Sharing enabled.

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