Stranded in Europe because of the volcanic ash? Lonely Planet is offering 13 of its European city iPhone guides free on iTunes until April 22. In addition to suggestions for activities, the guides include the sort of practical information stranded travelers need to deal with unforeseen delays.
Cities with the free app are Amsterdam, Barcelona, Berlin, Budapest, Copenhagen, Istanbul, London, Moscow, Munich, Paris, Rome, Stockholm, and Vienna.
Always remember to be smart about your phone usage abroad to avoid monster fees. Eurocheapo offers a good overview of budget-savvy usage.
Do you use another brand of smartphone? Have you found cheap (or heck, even free) apps that are useful in dealing with unexpected travel hassles? Share them below!