Sunscreen

Until the bashful lobster look finds its way into the style zeitgeist, this is a crucial piece of kit for those venturing to sunny climes. Having detected the UVI rating of your current location, this nifty little app sets a countdown timer to alert you when you’re due your next slathering of sunblock. All you have to do is input your skin type and the SPF of your lotion, then kick back and soak up some worry-free rays.
Available on iPhone (free)