- OQUEI COM VOCÊ
- Oqunbo Cutito
- OR912DI
- OR913DI
- OR942DI
- OR952DI
- Ora - Task Management
- Ora - Tasks & Collaboration
- Ora Control
- Ora Device
- Oracar
- Oracle IoT Asset Monitoring
- Oracle Mobile Authenticator
- Oracle MWM
- Oracle MWM+
- OracleProg2 - Oracle Client
- OraHome
- Orai - Never Late to Meetings
- Orakulum
- Orange - Focus Timer
- Orange 10
- Orange 24/7
- Orange Authenticator
- Orange Box
- Orange City Connect
- Orange County Sheriff's Office
- Orange Credit Union
- Orange Flex
- Orange Island
- Orange Mode
- Orange Notes
- Orange RoamKit
- Orange Smart Life Jo
- Orange Squash for FogBugz
- Orange Toffee
- Orange U-Ctrl +
- OrangeBrowser-Web browser
- OrangeCard
- Oranienstadt Dillenburg
- ORANIER smartCon
- OraProNobis
- Orari Sante Messe
- Orari Treni Italia
- Orario Unipi
- OrarioNavi
- Oras App
- Orasis
- Orator's Clock
- Oraxel Solutions
- Oração Diária LITE: Liturgia
- Oração do Rosário
- OrbBus
- OrbbusManager
- ORBCOMM Field Support Tool
- ORBCOMM ST Support Tool
- Orbe Frota + (Usuário)
- ORBCOMM ST Support Tool
- Orbe Frota + (Usuário)
- Orbeet - Manage Logistics
- Orbegozo App
- OrbiGo POC (Push To Talk)
- Orbis EV
- Orbis IOT
- ORBIS MPV
- ORBIS ORUS GSM
- Orbit - Find lost keys & phone
- ORBIT CAM
- Orbit Cockpit
- Orbit Command
- Orbit: Field Scout for Farming
- Orbit Milestones
- Orbita Smart
- Orbital Flight Benchmark
- Orbital Mobile
- Orbitas
- OrbitAssist
- Orbitcare Ortung
- Orbitrack
- Orbitrics
- Countdown Timers Widget: Orbs
- ORCA Oceanwatchers
- Orcair Chrono
- OrcamentoApp