Here’s a cool little app I found for all the photographers also taking notes on their iPhones. Strobox allows you to quickly drag and drop the standard lighting setup icons around your screen. Good if you don’t have your notebook handy and need a reference. Unfortunately it doesn’t look like you can put notes on camera or light settings but maybe that will be added in future upgrades. But I can’t complain much since afterall this app is free. Search for Strobox in the App Store.