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Available as a free or pro version, this app gives you access to a search function and booking for flights, cars and hotels if there is a change of plan -- which can be expensive and heart-breaking if you're minding your budget.
The Kayak app is one of the more popular search functions available. It is possible to compare and book flights, check the status of your flight, manage a trip itinerary and find information including baggage fees and airline numbers.
Planning in advance, doing some research and booking beforehand can save you a small fortune on your next trip. Remaining one of the most popular travel apps, TripAdvisor includes a search and booking function, peer reviews, question and answers forums and deals.
On my last jaunt to Latvia, I used the app to get a cheap deal on a flight and worked out the location I wanted based on hotel reviews and local attractions.
Name: Airport Zoom
If you miss your flight, or its rescheduled or cancelling without you knowing, trying to get back on track can be a costly affair.
Apart from being midly addictive, Flightstats' Airport Zoom app lets you track craft by name or by airspace. Running late? Use the free app to calculate how quickly you need to dash to the airport.