GelCalc is an iPhone/iPod touch app for stage lighting designers, electricians, and stage hands.

Quickly calculate number of sheets of gel, best cutting direction to yield the most frames per/sheet and pricing.

As you type in new frame sizes, it will be added to the picker. You can reset the picker by shaking your device several times.

KEY FEATURES More lighting related apps online at or search "Michael Zinman" in the App Store.