- Hiking Route Lite
- Trekking San Pietro
- TrekTime / GPS Trace Apps
- Tremor Tracker
- Tren Urbano App
- Trendy ELD
- Trevelo: Plan & track trips
- Treyki
- Tri MyRide
- Triber Realtime GPS compass
- Tribu GPS
- Trieste Offline Map and Travel Trip Guide
- Triffic
- TriggerSVD
- Trimble Ag Toolbox
- Trimble Mobile Manager
- Trinetra
- Tring Heritage Trail
- Trinidad and Tobago
- Trinidad and Tobago Offline Map and Travel Trip
- Trinidad and Tobago Offline Map and Travel Trip
- Trinity Metro ZIPZONE
- Trip Calculator
- Trip Guider USA
- Trip Plan Lite
- Trip Planner - NSW Transport
- Trip Tester
- NUUA METRO- Offline Subway Map
- TripCharge
- TripDoc
- Tripee
- TripGo
- myPartner by Mytour
- TripIt: Travel Planner
- Tripkey
- Triplinx
- TripLogger Remote
- TRIPonist
- Trippie: The Airport App
- TripREC Driving Recorder
- TripREC Driving Recorder Lite
- TripShot
- Tripstory
- Triptastic
- TripTic
- TripView
- TripView Lite
- TripWizard
- TriStar Traffic
- Triumph SOS
- Triumph Track+
- Trobapp
- Trogir Offline Map and Travel Trip Guide
- Tromso Offline Map and Travel Trip Guide
- Tromsø Travel Guide with Offline City Street Map
- Trondheim Bysykkel for iPhone
- Trondheim Map and Walks
- Trondheim Offline Map and Travel Trip Guide