- Astroexif
- AstroLinked
- Astrological Zodiac Stickers for iMessage
- AstroMate: Horoscope Astrology
- Astronaut
- AstroPod Dating: Made in Stars
- AstroSage Marriage - Matrimony
- Astry - compatibility
- ASUG Brasil
- Async — Talk with Your Class
- AsYöntem
- At Your Service
- AT-Shuffle Scrobbler
- AT: The Social Map
- Atalog
- ATantôt - Rencontres Belges
- Ataya
- ATC Hilversum
- AtChurch
- AtChurch
- ATD Middle East 2021
- Atende Portaria Mobile
- Atertop
- ATF Online+
- ATFace
- Athlete - Gay Video Chat App
- Athlete Center
- Athletes Launch
- Athlon – watch, compete, win
- ATLA Ensino
- Atlant Intranet
- Atlanta Sport & Social Club
- Atlantic Fellows Hub
- Nocturne by Atlas
- Atlas – Contacts
- Atletico 2000
- ATMA Mauritius