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TripAdvisor App for iPhone Screenshot via iTunes App for iPhone Screenshot via iTunes App for iPhone Screenshot via iTunes

Expedia App for iPhone Screenshot via iTunes

Airbnb App for iPhone Screenshot via iTunes

A large online desktop presence is not an indicator of a similarly strong mobile presence.

In this case, we compared total reviews across iTunes and the Google Play story for the top five biggest desktop booking sites:, Airbnb, TripAdvisor,, and Expedia (Read “The Most Popular Online Booking Sites in Travel”). The total number of reviews for iOS booking apps is estimated at 400,000, while Android’s reviews are at 700,000.

Most of the booking sites have had apps in either one or both app stores for quite some time. TripAdvisor released its app for both operating systems in spring 2010. Airbnb and followed suit in autumn 2010. And Expedia and released their app for both mobile markets in Spring 2011.

Even though TripAdvisor is the third most visited desktop website, it beats out its Top 5 peers globally in terms of user reviews captured on Google Play and iTunes.

BrandEst. Desktop Visits May ’14 (SimilarWeb)iTunes Most Popular by CountryiTunes Customer Ratings (Global)Google Play Customer Ratings (Global)Total App Ratings
TripAdvisor159,600,000USA, Italy, Great Britain161,214425,856587,070
Booking.com210,500,000USA, Russia, Italy, Great Britain154,028136,825290,853
Expedia63,500,000USA, Great Britain, Canada11,15734,19045,347
Airbnb32,500,000USA, Italy, France12,39023,25835,648

Source: SkiftIQ

Each of the apps are most popular in the U.S. In looking at iOS reviews globally,’s focus on Russia has proven its app’s popularity and Airbnb and TripAdvisor’s strong presence in Italy is linked to its nationals’ higher usage of location-based services and GPS than the British, as reported in Nielsen’s Mobile Consumer, 2013.

In the iOS market, and TripAdvisor are close rivals. Although TripAdvisor is way ahead in ratings, has its own niche, with enough room to grow and fall in the Android market to withstand unexpected pressures.

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Photo Credit: TripAdvisor's iOS app. Placeit by Breezi