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ShowTool LD

iPhone / iPad
  • Utilities
  • Reference
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Simple. Powerful.
Comprehensive suite of Lighting Design and Electrics utilities for theatre and film.

"ShowTool LD packs 4 applications into one [...] Buying the four individual apps through iTunes can cost up to $7.97" -


Quickly calculate beam angles, throw distances and beam diameter. 2 easy to use modes providing a choice of speed or super accuracy.


Powerful functionality for calculating the number of cuts and wastage from all major gel manufacturers and a wide range of frame sizes. Specify your own frame size or choose from a wide range of standard lanterns.


Quickly input DMX values and see the dip switches change live in front of you! Works with both major dip switch configurations.
Fully integrated with the DMX Calc, see below.


Set the local address and universe to see the global DMX address, or set the global address to see the local address and universe simply and swiftly.

Specify channels per fixture and this will update a list of fixtures with the various addresses. Need to set the dips for a fixture? Simply click the button for each fixture and the Dips Calc will load showing you just how to set the switches.

Quick and easy power calculations in both single and 3 phase configurations. Specify current and voltage and quickly see how many of your selected fixture can be powered by the circuit.

All features provide full metric and imperial options as well as providing international number formatting support.

More great features and utilities planned, with free updates for all users.

If you have any suggestions or find any problems please let me know through the support site.