TripCase, TripIt and WorldMate have been the granddaddies of itinerary apps since the App Store's infancy. Using WorldMate's API for email parsing and its GDS for agency synchronization, Sabre claims the lead with 30 million TripCase itineraries managed last year.

"It’s early days," said Sabre senior vice president for traveler solutions John Samuel. "This is a new space and we’re all experimenting and learning more about what the traveler really wants."

Among 110,00 Sabre-connected agencies is American Express Global Business Travel. "TripCase is our supported tool right now," said Amex GBT's vice president . . .

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