- UK Travel Guide United Kingdom
- UKK Navi (Uniklinik Köln)
- UKM-Campus-Navi
- Ukraine Offline Map and Travel Trip Guide
- UkrWay: Николаев
- Ulan Bator Map and Walks
- Ultragas
- Ultramagic FlightPack
- Ulys by VINCI Autoroutes
- PADIM
- Umbria Offline Map and Travel Trip Guide
- UMF
- Umicore Ladesäulenverwaltung
- UN Peacekeeping
- Un Taxi
- UNC Health
- Under Pressure Diving
- Underway: NYC Subway Transit
- UnGiro
- Uni Köln Navi on Campus
- Uni Mob Usuário
- Uni Mobi - Cliente
- Uni Surrey Virtual Tour
- Unibuses
- Unicar
- Unicar Crba Passageiro
- UNICAR Rastreamento
- Unidades Consulares
- Unidades Policiais de SP
- Unidriver
- UniExpert
- Unifly Operator
- Unii Brasil
- Araxa MOB - Passageiro
- Unilink Bus
- Union Taxi
- UNIP – simply park and enjoy
- Uniper Cozumel
- Unisat
- Unitcharge
- United Arab Emirates Offline Map and Trip Guide
- United Cabs
- United Express
- United Kingdom Offline Map and Travel Trip Guide
- United Kingdom Travel Guide and Offline Map
- United Kingdom Travel Guide UK
- United States Minor Outlying Islands Offline Map
- Unitracker Live
- UnitransNow
- Unity Taxi
- Universal Custom Keyboard iOS - By Swayam Infotech
- University Carpools
- University Health Go
- University of Michigan
- UniversityGO - Campus Maps
- UNL Places
- UNO DRIVERS PASSAGEIRO
- UNO Shuttle Tracker
- Unofficial Thames Clippers app
- Unplan