Yes I own a Meade mySky, a truly ingenious device. http://www.meade.com/mysky/index.html Celestron make the SkyScout which is also something else. http://celestronskyscout.com/ Many mobile phones now have similar apps. available.
Do they contain the thermometers Andy B and if not where can they be purchased? A lovely item - what length of life would you give it in our Climate? I have added to my Watch List on Ebay for future consideration.
I will never forget one evening after several days of freezing fog it started snowing with the fog only slowly clearing. I have never understood how that could happen.