- RPN-45 SD
- RPN-55 SD
- RPN-65 Pro
- RPN-65 SD
- RPN-67 NP
- RPN-67 Pro
- RPN-67 SD
- RPN-70 HD
- RPN-70 SD
- RPN-97 Pro
- RPNConverter: Convert from infix notation to reverse polish notation with the calculator
- RPNET Telecom
- RPNPro
- RPNu
- RPR Mobile™
- RPTrade+
- RPアプリ
- RQ-FPV
- ReliaQuest EXPONENT
- RR Connect
- RR Counter
- RR Meu Estoque
- RRCOIN
- RRE - Agência Móvel
- RRENOVA
- RSS Bot - News Notifier
- RSS Feeds
- RSS Follower
- Rss Reader阅读器
- RSSBud
- RStore
- RSV
- RSVP - Event planning schedule
- RSVP Scheduler
- RTA Dubai Drive
- RTA Inspect
- RTA Mobile
- RTAB-Map - 3D LiDAR Scanner
- RTApp
- RtBuilder
- RTDIQ LLC
- RTE Notifications
- RTE Tracking
- RTF Write
- RTFC Translator
- RTFD Converter
- RTFDラベラー
- RTI ResearchMobile
- RTK 2.0 Umbria