Apps like O₂ Buddy: Blood Oxygen
15 alternatives to O₂ Buddy: Blood Oxygen in Health & Fitness, ranked by our opportunity score from live revenue and download estimates — updated continuously, not a static list.
Flo Cycle & Period TrackerHealth & Fitness · $1.8M–$7.6M/mo
MenuFit - Healthy Eating OutHealth & Fitness · $940k–$3.8M/mo
Planet FitnessHealth & Fitness · $900k–$3.7M/mo
Finch: Self-Care PetHealth & Fitness · $830k–$3.4M/mo
Zero: Fasting & Food TrackerHealth & Fitness · $770k–$3.2M/mo
Headspace: Sleep & MeditationHealth & Fitness · $760k–$3.1M/mo
Cal AI - Calorie TrackerHealth & Fitness · $710k–$2.9M/mo
Tolan: Alien Best FriendHealth & Fitness · $650k–$2.7M/mo
Simple: AI Weight Loss CoachHealth & Fitness · $580k–$2.4M/mo
Liftoff - Ranked Gym WorkoutsHealth & Fitness · $530k–$2.2M/mo
AutoSleep: Watch Sleep TrackerHealth & Fitness · $510k–$2.1M/mo
StepUp Pedometer Step CounterHealth & Fitness · $490k–$2.0M/mo
CalmHealth & Fitness · $470k–$2.0M/mo
LADDER Strength Training PlansHealth & Fitness · $420k–$1.7M/mo
Motivation - Daily quotesHealth & Fitness · $410k–$1.7M/mo