Apps Like Frontier X for iPhone and iPad
Track activity, view recorded data, analyze heart
Track activity including exercise, rest, and sleep to gain insights on heart health and exercise performance. View recorded data from the X2 chest strap wearable. Monitor real-time heart health metrics and exercise performance.
Frontier X screenshots
Ranked alternatives
Showing 361–380 of 1,000 ranked alternatives.


BreathTuner HRV
Erwin Gabler
Breathe at your optimal rate
Track breathing patterns and heart rate to determine optimal breathing rate. Adjust breath depth and duration. Receive real-time feedback to synchronize breathing with heartbeat. Export session data and set reminders for regular practice.






Energy Level
Daniel Kanaan
Track and optimize performance
Track Baseline Cardiac Index and heart rate variability to assess performance and health. View real-time score based on health data. Set and monitor fitness goals. Sync data with Apple Health.


Phlex Swim App
Phlex LLC
Track workouts with AI precision
Track swimming workouts with distance, set recognition, and time logging. Monitor stroke efficiency, distance per stroke, and heart rate metrics. Sync data with Apple Health for comprehensive performance analysis.

HIIT (Watch) Timer
RhythmicWorks Software LLP
Train with workouts and
Set intervals using the digital crown. Track live heart rate and receive haptic feedback during workouts. View workout summaries and sync with Apple Health. Add intervals to Move and Exercise rings on Apple Watch.




Cora - AI Fitness Coach
PurplePill AI, Inc
Track sleep, recovery, and exertion
Track sleep patterns and receive daily and weekly insights to improve recovery. Set goals for sleep quality and receive personalized recommendations. Sync with wearables to monitor exertion and adjust activity levels accordingly.

LikeaBodyBuilder
David Porras
Workout videos for all fitness levels
Access guided workout videos with proper form instructions. Track progress with customizable goals. Choose from weight loss, muscle building, or strength training programs. Sync workouts and view performance metrics.

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