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iPhone/iPad Tools

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iPhone Tools


Paraxial Thick Lens, Lens Makers Formula, Snell’s Law, Prism Refraction, and Fresnel Reflection.

Quick Graph

Plot up to 3 equations in 2D or 3D. iPhone only.


Real-time graphing and MobileCAS® for computer algebra and calculus. iPhone, iPad, Macintosh OS X, Android, Windows.

Search for these on your iPhone:

Elektor ETB







Cortona3D Viewer

Math Minion

Also, AZoOptics, Maxim, NXP, Texas Instruments, and Vishay have product search apps on the iPhone.

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iPhone Tools

SkyWire 30 pin dock connector to RS-232

True ‘Made for iPod’ certification. Up to 57.6k baud. iPhone only.

RS-232 App for iPhone using audio port (transmit only)

Uses simple circuit on audio connector. 1200 to 19,200 baud. iPhone only.

Search AppStore for RS-232


Measures AC Volts, AC Amps, system kW and the power factor.

Redpark Serial Cables

Redpark makes a family of serial cables and a SDK for developing products with RS-232 serial I/O in the iPhone/iPad. Classic 30 pin and the new Lighting connector versions.


Get Console

A hardware RS-232 to iPhone/iPad connector adapter with software. iPhone and iPad.

STL Viewer

STL (Stereo Lithography) file viewer.

Electronic Design/Calculator Apps

EE Toolkit

The Electronics Engineering ToolKit Pro features a collection of very useful calculators, simulators, circuit and application examples. iPhone and iPad.




Cable for iPhone oscilloscopes using audio input

Use oScope Lite and this cable. iPhone only.

Oscium’s mixed signal oscilloscope

iMSO-104 has one analog and 4 digital channels, 5MHz bandwidth. iPhone and iPad only.

Oscium’s LogiScope

100MHz 16 channel logic analyzer. Software includes serial protocol decoding of I2C, SPI, and UART. Inputs are compatible with 2.0v, 2.5v, 3.3v and 5.0v . iPhone and iPad only.

Oscium’s WiPry-Combo

WiPry-Combo peak RF power meter and spectrum analyzer. The power meter is sensitive from 100MHz to 2.7GHz. The spectrum analyzer only covers the WiFi/Bluetooth/Zigbee band. iPhone and iPad only.

Electronic Instruments

Terminals and serial Interfaces

RF Attenuator

Calculates resistor values for 3 types of RF attenuation circuits given input impedance (Zin), output impedance (Zout), and attenuation value (in dB). iPhone and iPad.

Electronics Engineering ToolKit Pro

Several electronics related calculators. iPhone and iPad.


2D vector drawing & design. User Guide in PDF & A full set of video tutorials in HD available on the developer website. Vector export formats: PDF and SVG (handles differences for Illustrator and InkScape support). Raster export formats: JPEG, PNG (with or without transparent background)



Mechanical Engineer

Contains over 300 important mechanical engineering formulas, there are over 300 additional conversion formulas in the program as well as 70 area formulas.


Sensor locater and database.


Agilent Engineering Calculator.

TX-Line, MX Line, EE ToolKit, and PCBCalc by Agilent

Microstrip and Stripline Calculators.


15 Calculators.

Attenuator, iAttenuator, Pad Designer, RF Slide Charts, RF Attenuator

Several Apps for solving T, Pi, and Bridged T Attenuators.

RF Slide Charts, rfCalc

Calculators for RF design.

R Tools

Tools for voltage dividers, parallel resistors and so on.


Many standard connector pinouts.

Signal Gen, AudioSigGen, Oscillator Free, Tone Generator Pro

Signal generators.

Antenna Array

2D & 3D plots for a few standard antennas.

Below is just a sample of the many applications available for the iPhone and iPad for Electrical Engineering. All are available in the App Store, some have links for descriptions.

Soundbeam, oScope, SoundLevel, FreqCounter, Oscilloscope


Symbolic Calculator

Algebraic calculations.

SPL Meter, dB Sound Measurement, Measurement Kit, Volume Tester

Audio level in dB.


Algebraic calculations. Symbolic, with history ‘tape’

Equation Slover

Fixed format. First to third degree and systems of 2 or 3 unknowns.


Algebraic calculations.


iLuaBox Pro

Lua environment.

Basic!, cbmHandBasic

Basic environment.

PCB Toolbox

Trace Heating, voltage drop, Impedance, weight and so on.

rfCalc, iSmith

Smith Chart Apps.

Refractive, MTFCalc

More Optics.


Color sampler, gives RGB, HSV, CMYK, XYZ, and xy.


Graph Cartesian functions, relations, and inequalities, plus polar, parametric, and ordinary differential equations, curve-fitting features. Macintosh OS X, iOS, and Windows.

PCB Current Calculator

Calculate required trace widths, temperature rise and so on.


Allows you to use your PicoScope 2000 Series oscilloscope.

PicoScope 2000:

If you want to charge your iPhone from a charger that waste less energy than normal chargers. See:

Spicy Schematics & Spicy SWAN

Web based Electronic simulators for the iPad and iPhone.

Lens Calculator

Find the level of detail in an image and field of view that can be seen with different lens and camera combinations.

Ryobi PhoneWorks

iPhone add-ons: Laser Level, Infrared Thermometer, Laser Distance Measure, Stud Finder, Inspection Scope, Noise Suppressing Earphones, Moisture Meter, and Laser Pointer.

Omega’s UWBT series of instruments

Temperature, Humidity, and pH sensors available

Fluke Connect

Supports many Fluke Bluetooth enabled instruments. iPhone, iPad, and Android.

iOS App to Control a Robot Using BLE

Video lessons and an application to teach you to build a robot and control it.