- Burnt Butter
- Burnt Out
- Burraco By ConectaGames
- Burraco Più - Giochi di Carte
- BurrBs
- Bursa Hukum
- Bursiyer
- BuryFeel-埋藏回憶
- Buscándote Ya
- Business Class: The Lounge
- Business Messenger
- BusinessCom
- Bussin - Foodies & Eating
- Butta - Mạng xã hội Phật giáo
- Butterfly
- Butterfly - Highlight Cover
- Butterfly - знакомства
- Butterfly Matrimonial
- Butterfly Transgender Dating
- Butterfly.
- Buzzey
- BuzzHive
- Buzzhk
- Buzzl - Discover What's Near
- Buzzle - Call of Duty Social
- Buzzmee IRL Nearby Social App
- BuzzStickers
- Buzzy - Visual Social Sharing
- Buzzy Buzz
- BVA App
- BVF4U
- BVL Connect
- BVL Events
- BWF LIKE+
- BWOW
- Byebye: Organize. Declutter.
- Byggahus.se
- BYJU'S Connect
- Byline: Multiplayer Writing