"Stylizing text with bold, underline, or italics in the iOS Mail app is easily done with the same tap-and-hold contextual menu that also allows you to select text, block quote, and insert photos. "
"Thermo is about as simple an iPad app as you could ask for. It does one thing and does it quite nicely - with a bit of big and bold thrown in for good measure. Its App Store page describes it as a 'little pocket thermometer', which is a throwback to its days as just an iPhone app."