Light Calc Lite
DHV Lighting
Free (iOS)
Rating - 3 Stars (194 ratings)
Requirements - iPhone, iPod touch, iPad, iOS 2.0 or later.

A watered down, budget friendly version of the Light Calc app, Light Calc Lite is a simple calculator app that allows you to easily figure out single beam throw data. Additionally, the app churns out the complex math required to determine diameter for the light your throwing towards your stage.

* Calculates beam diameter, field diameter
* Input angles, distance to calculate relevant setup details
* Full version of app features extensive upgrades, including fixture library, intensity calculators, and data on specific lamps