Cost: Free | Developer: Viator | Platform: iPhone, iPod Touch, iPad | Version 1.1.1| 5.8MB |

Planning a trip is stressful but an essential part of a pleasurable holiday is not being burdened by unexpected costs. It's easy to budget for accommodation and travel costs but often money is blown during the trip as you pay to participate in activities or entry fee for various attractions.

Viator Tours & Activities is one of those helpful apps that can help you budget for those kinds of things. The travel app has over 9000 'things to do' in 750 destinations worldwide. Users can book things such as tours, dinners, day trips and bookings can be made on the fly.

There is a search option if you want to find something specific. Alternatively, the app can make recommendations based on the location you select. The clean layout of the app makes navigation a breeze.

Viator has a low price guarantee and has an array of exclusive deals on offer.