As there is an app for just about any need or interest, the travel sector surely is getting its fair share. The latest one to travelers as well as the general public comes from Peek.com, a one-stop web resource for booking activities in 17 U.S. cities, London and Paris.

Called Peek Mobile, this free app brings Peek.com’s services from the web to your smartphone, with some additional functions. It’s said to have geo-location technology, which in plain speak means users can book their activities on the go. Options extend to family, food and wine, arts and culture, adventurous and walking and sightseeing tours and day trips.

For example, if you wanted to book a guided walking tour of the Lower East Side while visiting New York City, you can do so through Peek Mobile app. Or while staying in Paris, explore the city’s different arrondissements  (city districts) or go ahead and jaunt out to Champagne, the vineyard region where this bubbly beverage is produced.

Booking through your phone is designed with ease in mind. It’s designed to provide information about your potential activity in real time, with essentials like pricing and available slots. And feedback from others who did what you want to do – or just to help you confirm your decision – is also at your fingertips.

Plus, the fact that the Peek Mobile app is free is also a good reason for giving it a try. It is available for iPhone and iPod Touch and can be downloaded through Apple’s App Store.

So what travel apps do you like to use? Let me know in the comments section!