Apps Like Protocol66 for iPhone and iPad
Ranked alternatives
Showing 241–260 of 1,000 ranked alternatives.
HabitLink: Habits with Friends
Andrei Mikheev
Track and see streaks
Track habit streaks and completion rates progress visuals. Compare achievements and receive motivational check-ins. Set and join challenges to establish new routines. Customize habit schedules and receive reminders.
Metric - Live Longer
Orion Designs LLC
Track progress, set goals, stay strong
Track biometric data including heart rate, sleep patterns, and activity levels. Set personalized health goals and receive progress updates. Access scientific articles and research on longevity.
Augment: Focus, Goals, Routine
Julian Kremer
Track progress, set goals, and build routines
Set goals, create routines, and track progress with daily check-ins and visual journey maps. Complete challenges to earn XP, level up, and unlock medals. Join a community to stay motivated and share achievements.
Sterling Parents
The Sterling Life LLC
Track symptoms, get expert advice, stay informed
Access personalized pregnancy guidance with weekly updates from board-certified ObGyn Dr. . Answer health questions with research-backed explanations. Join a community for science-based support. Track symptoms and receive tailored recommendations.
How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.