- Activity Logging
- Activity Map
- Activity Rings+
- Fitness Stats
- Activity Tracker - Movable for Pebble Wrist Watch, Count Steps, Distance, Calories, & Walking
- The Activity
- Fitness Challenge Tracker
- ActivityDiary for Moves
- ActivityPro Play
- ActivityTracker Pedometer
- Activité sportive
- ActivNow Sports
- Activo Sports
- ActivStars
- ActivTrax
- Activy Sports Challenges
- ACTIVZ
- Activ’Dos
- Miboso
- Acto Academia
- Actofit Badminton
- CoachPro Member
- Smart-Wear
- ActoFit Health
- ActPract
- ActPract
- ACTUA contra ViolenciaDeGénero
- ACTUALFIT24
- Limit Screen Time・Taskfulness
- Actuneos
- ActVoice Smart
- Actxa
- ACTYMED CLINICS
- AcuApp® Acupressure
- AcuApp® Premium
- AcuHealth
- Acuity Mobile App
- Acuity Scheduling Client
- Acuma Health
- Acupressure Massage Qigong
- Acupressure Points
- Acupressure: Heal Yourself
- Acupuncture Points, cool index
- Acupuncture is my Life Network
- AcupunctureEN
- AcuroPet
- AcuroVet
- mHealth Solution
- Acute Dialysis Care LLC
- Acute Primary
- ACV Vida
- Acvita Zorg
- Acıbadem
- Acıbadem Sports
- ACU Spor Merkezi
- Ad Altum
- AD Care
- ADA BEBEK TAKİBİ
- ADA CDT Code Check
- ADA Chairside Instructor
- ADA Connect the Dots
- ADA REUNION VELO
- ADA Standards of Care
- Ada – check your health
- ADAA Karate
- Adagio 美整体×彫刻美容
- Adair Skin Care & Waxing
- Adam and Eve Hairdressers
- Adam Beauty
- Adam Brown
- Adam Gayle Hairdressing
- Adam GoHealthy
- AdamHealth