- Rotter.net
- ROTTERDAM MAKERS DISTRICT
- Roughtake
- Round Pic Maker: Create Icon
- RoundPier
- Route 395 Guide by TripBucket
- Route 66 Travel by TripBucket
- Route Recon-Transit & Security
- RouteWhisperer
- Roveapp: AI photo tagging
- RoveSpier
- Rowerowe Łódzkie
- Rowing Canada Aviron Events
- Roxer: Get Cash for Calls
- Royal Conservatoire The Hague
- Royal Message
- Royal Reelz
- RoyalChat
- Royo Chat
- Royo Reels
- RPB Index
- RPG Plus - AR Virtual Tabletop
- RPhAlly: A Pharmacist Network
- SharonPC
- RRQ+
- RSKアプリ
- RSR Connect
- Durvani Pustika
- Rss Feed + + All of Your News Blogs And RSS Feed in One Free Reader App
- RSV Laurentius
- Aesthetic Fonts for Instagram
- RT Nepal
- RTB
- RTL Writer Pro
- RTLplay
- RTLZWEI Insider