What are some alternatives?
When comparing Booking.com and TripIt, you can also consider the following products
Tripadvisor - The Tripadvisor mobile app is available for the Android and iOS platforms. It can be used to create reviews of hotels, restaurants, and to chat with other travelers on Tripadvisor forums.
Traveler Buddy - Travel Itinerary Management.
Airbnb - Book unique places to stay and things to do.
Wander - Find travel destinations according to your budget
Roadtrippers - The ultimate road trip planner to help you discover extraordinary places, book hotels, and share itineraries all from the map.
Foursquare - Foursquare is all about helping you find new ways to explore your city.