Here’s a low tech way to measure the golden ratio in things you’re designing in photoshop. Just open the png below with your project in photoshop and line stuff up. Convert it to a smart object and keep it around. I don’t get why there isn’t at least be a feature in photoshop to let you line rules up according to the ratio.

It is a 1000px wide translucent png. If it were any less sophisticated, it’d be a ruler on your screen.