Apps Like Catalyst By MetricWire for iPhone and iPad
Contribute data and track health insights
Participate in digital health research by completing in-the-moment surveys and tasks. Connect wearable devices or allow smartphone sensors to be tracked. Communicate with researchers through in- messaging.
Catalyst By MetricWire screenshots
Ranked alternatives
Showing 1–20 of 1,000 ranked alternatives.








Calorie Counter - MyNetDiary
MyNetDiary Inc.
Track calories, food, and macros
Track calories, food, and macros with a barcode scanner and AI Meal Scan for instant logging. Create personal diet plans and view detailed nutrition breakdowns. Sync data with Apple Health and set daily goals for weight management.

Evidation: Health Insights
Evidation Health, Inc.
Track data and
Track behaviors like walking, sleeping, and exercise. Connect with fitness apps and wearables. for daily activity. Participate in clinical and observational studies. Monitor progress with behavior insights. Redeem cash and for participation.


BrainHQ
Posit Science
Train with science-based brain exercises
Train your brain with personalized cognitive exercises. Track progress over time. Set goals and receive feedback. Sync across devices. Access scientific research and study results. Complete daily training sessions.


Apple Research
Apple Inc.
Track health data and contribute
Track health data from Watch and iPhone. Participate in studies to contribute to health insights. Set goals for physical activity and sleep. View progress reports and receive notifications for health metrics.

ZOE Health: AI Meal Tracker
Zoe Limited
Track meals, analyze nutrients, improve habits
Track meals and analyze nutrient intake using AI-powered food scoring. Receive personalized insights based on microbiome data and scientific research. Set eating goals and monitor progress over time.

Flip Timer & stopwatch
俐 马
Set countdowns, track time,
Allows users to set countdown durations via swipe gestures. It includes timed reminder sounds and background audio options. Users can keep the screen on to monitor time progress continuously.

Wellworks For You
Tma Your Service, LLC
Track progress and complete challenges
Track weight, blood pressure, water intake, food, exercise, and sleep. Set and monitor walking, weight, and healthy habits challenges. View progress reports and participate in wellness programs. Sync with Apple Health and wearable devices.

How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.