- Castillo de Cumbres Mayores
- Castillo de Niebla
- Castillo de Peñíscola
- Castillo de Peñíscola - Audioguía
- Castillos de Albacete
- Castillos y Palacios de España
- Castine History Highlights
- Castle Cars Birmingham
- Castlecomer Museum of Mining
- CastleExpo
- Castles of Istria
- Castro Daire + PRÓximo
- Castro Verde
- Castrum
- Cat Kun Stickers for iMessage
- VQG Việt Nam
- CAT Transit
- Cata Black Car- Chauffeurs MIA
- CATA On Demand
- Catalan English Translation and Dictionary
- Catalina Island Offline Map and Travel Trip Guide
- Catalonia Offline Map and Travel Trip Guide
- Catalonia Offline Map and Travel Trip Guide
- Catania Offline Map and Travel Trip Guide
- Catania Travel Guide with Offline City Street Map
- Catapults With Foes
- Catch a Jet
- Catch Me Now
- Catch My Day
- Catch Your Bus
- Catchit Road - Speed Control
- Cathedral of Astorga
- Cathedral of Baeza
- Cathedral of Barcelona
- Barcelona Cathedral
- Catedral de Burgo de Osma
- Cathedral of Ciudad Rodrigo
- Catedral De Granada - Infantil
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- Cathedral of León
- Cathedral of Palencia
- Cathedral of Seville
- Cathedral of Tarragona
- Cathedral of Valencia
- Cathedral of Zamora
- New Cathedral of Salamanca
- Cathedral Santiago Compostela
- Old Cathedral of Salamanca
- Cathedral-Mosque of Córdoba
- Caterpillar® Visitor
- Cathar Country
- Asia Miles by Cathay
- Cathay Pacific
- Catholic University of America
- CATS Schedule
- CATS-Pass
- Catterfly
- CAU Cidadão
- CAU Gestor
- Caudiel en tu Mano
- Cavalier Cars
- Cavalier Taxis.
- Cavendish School Student app
- Caxton Currency Card