CityTrotter features step-by-step, GPS-based guided tours in London and Paris. Both well-known attractions and local gems are present in the app. NEIGHBOURHOODS Walking itineraries in popular areas (Montmartre, Westminster, Notting Hill, Camden, Covent Garden and Soho, the South Bank...) and lesser known areas such as Highgate. ART TRAILS Outdoor art walks such as "Wembley Park Art Trail" and "Shoreditch Street Art". THEMES Themed itineraries such as "Paris highlights", "London highlights", "Harry Potter filming locations" and even "brutalist architecture". CUSTOM WALK Dynamic walking itineraries starting anywhere you want (London only).