| 1 | 1 |  Booking.com: Hotels & TravelBooking.com B.V. | 旅行 | 1 | 2 |
| 2 | 2 |  AirbnbAirbnb, Inc. | 旅行 | 2 | 10 |
| 3 | 3 |  Trip.com: Book Flights, HotelsTrip.com Travel Singapore Pte. Ltd. | 旅行 | 3 | 41 |
| 4 | 4 |  CheckMyTrip – Travel ItineraryAmadeus | 旅行 | 4 | 45 |
| 5 | 5 |  Tripsy: Travel PlannerTripsy LLC | 旅行 | 5 | 133 |
| 6 | 6 |  Etstur: Otel & Tur & TatilEts Ersoy Turistik Servisleri As. | 旅行 | 6 | - |
| 7 | 7 |  Google EarthGoogle LLC | 旅行 | 7 | 6 |
| 8 | 8 |  Turkish Airlines: Book FlightsTurkish Airlines | 旅行 | 8 | 6 |
| 9 | 9 |  beenVINCI APPS LTD | 旅行 | 9 | 5 |
| 10 | 10 |  Tripadvisor: Plan & Book TripsTripadvisor | 旅行 | 10 | 5 |
| 11 | 11 |  Pegasus: Cheap Flight TicketsPegasus Hava Tasimaciligi A.S. | 旅行 | 11 | 5 |
| 12 | 12 |  TTickets VarnaVarna Municipality | 旅行 | 12 | 5 |
| 13 | 13 |  Bulgaria100BALGARSKI TURISTICHESKI SAYUZ | 旅行 | 13 | 5 |
| 14 | 14 |  Skyscanner Flights & TravelSkyscanner Limited | 旅行 | 14 | 5 |
| 15 | 15 |  AustrianLufthansa Group Digital Hangar GmbH | 旅行 | 15 | 5 |
| 16 | 16 |  Flightradar24 | Flight TrackerFlightradar24 AB | 旅行 | 16 | 5 |
| 17 | 17 |  TerraCam: GPS SatelliteOanh Hoang | 旅行 | 17 | 4 |
| 18 | 18 |  Yellow!YELLOW 333 AD | 旅行 | 18 | 4 |
| 19 | 19 |  Aviasales. Cheap Air TicketsGo Travel Un Limited | 旅行 | 19 | 4 |
| 20 | 20 |  OsmAnd Maps Travel & NavigateOsmAND B.V. | 旅行 | 20 | 4 |
| 21 | 21 |  MAPS.ME: Offline Maps, GPS NavConvexity Holdings AG | 旅行 | 21 | 1 |
| 22 | 22 |  trivago: Compare hotel pricestrivago N.V. | 旅行 | 22 | 1 |
| 23 | 23 |  Opoznai.bgGrabo Media AD | 旅行 | 23 | 1 |
| 24 | 24 |  700 City MapsDubbele.com | 旅行 | 24 | 1 |
| 25 | 25 |  KAYAK: Flights, Hotels & CarsKayak Software Corp | 旅行 | 25 | 1 |
| 26 | 26 |  izi.TRAVEL: Audio Tour GuideInformap Technology Center LLC | 旅行 | 26 | 1 |
| 27 | 27 |  WiFi Map: Free WiFi Near YouWIFI MAP LLC | 旅行 | 27 | 1 |
| 28 | 28 |  Expedia: Hotels, Flights, CarsExpedia, Inc. | 旅行 | 28 | 1 |
| 29 | 29 |  LufthansaLufthansa Group Digital Hangar GmbH | 旅行 | 29 | 10 |
| 30 | 30 |  CityMaps2Go – Offline MapsKulemba GmbH | 旅行 | 30 | = |
| 31 | 31 |  Kiwi.com: Book Cheap FlightsKiwi.com s.r.o | 旅行 | 31 | = |
| 32 | 32 |  Planes Live - Flight TrackerMosaic S.r.l. | 旅行 | 32 | = |
| 33 | 33 |  momondo: Flights, Hotels, CarsKayak Software Corp | 旅行 | 33 | = |
| 34 | 34 |  Tripomatic Trip Planner & MapsTripomatic s.r.o. | 旅行 | 34 | = |
| 35 | 35 |  Uber - Rides, Eats, HotelsUber Technologies, Inc. | 旅行 | 35 | = |
| 36 | 36 |  Condé Nast TravelerAdvance Magazine Publishers Inc. | 旅行 | 36 | = |
| 37 | 37 |  Agoda: Cheap Flights & HotelsAgoda Company Pte. Ltd. | 旅行 | 37 | = |
| 38 | 38 |  Unit Converter - Best Unit AppAlan Mrvica | 旅行 | 38 | = |
| 39 | 39 |  SmartGuide travel guide & mapSmartGuide s.r.o. | 旅行 | 39 | = |
| 40 | 40 |  TripIt: Travel PlannerTripIt Inc | 旅行 | 40 | = |
| 41 | 41 |  GPS Camera with Time StampTruong Nguyen | 旅行 | 41 | = |
| 42 | 42 |  FlightAware Flight TrackerFlightAware | 旅行 | 42 | = |
| 43 | 43 |  HotelTonight: Hotel BookingHotel Tonight Inc | 旅行 | 43 | = |
| 44 | 44 |  GStreet - Street Map Viewer宗群 杨 | 旅行 | 44 | 1 |
| 45 | 45 |  Cheap flights – WayAwayGo Travel Un Limited | 旅行 | 45 | 1 |
| 46 | 46 |  Hotels.com: Book Hotel DealsHotels.com, L.P. | 旅行 | 46 | 1 |
| 47 | 47 |  TaxiMe ClientTAXIME OOD | 旅行 | 47 | 1 |
| 48 | 48 |  CalConvert: Currency ConverterMaple Media Apps, LLC | 旅行 | 48 | 2 |
| 49 | 49 |  Sofia Map and WalksGPSmyCity.com, Inc. | 旅行 | 49 | 2 |
| 50 | 50 |  Translate Free - Language Translator & DictionarymyLanguage, Inc. | 旅行 | 50 | 2 |
| 51 | 51 |  Omio: Book Train, Bus & FlightOmio Corp. | 旅行 | 51 | 2 |
