Apps Like Target Zone Keeper for iPhone and iPad
Ranked alternatives
Showing 1–20 of 1,000 ranked alternatives.
Frontier X
Fourth Frontier Technologies Private Limited
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.
Fitbit Sync for Apple Health
Achraf Cheikhi
Data
Data from to automatically. Track heart rate, sleep, steps, workouts, VO₂ Max, and SPO₂. View respiratory rate and walking/running distance. No manual entry required.
Treadly: Zone 2 & VO2 Max
Trevor Beaton
Track heart rate and adjust intensity
Track heart rate zones in real time to adjust workout intensity. Monitor VO2 max to assess fitness improvements. Follow structured 2 training plans. Sync with Apple Watch for accurate data. Set and view training goals. Export workout summaries.
HockeyTracker
MyndArc, LLC
Track game stats and analyze performance data
Track hockey performance with real-time stats and post-game analysis. Log game details, monitor speed and distance, and review detailed metrics. Export data and share insights. Syncs with Apple Watch for accurate tracking.
FivePointFive: Breathwork
FivePointFive Movement Limited
Breathe coached sessions for performance
Track breathing patterns with real-time feedback. Perform guided sessions for performance, recovery, and sleep. Measure improvements in VO₂-max, HRV, and stress resilience. Sync data with fitness apps for comprehensive tracking.
Vo2 Max & Endurance: Zone2AI
Unbounded Technologies LLC
Train with Zone 2 and 4x4 sprints
Track heart rate and cadence during Zone 2 training and 4x4 sprints. Set personalized workout intervals and durations. Monitor progress with performance analytics and health projections. Export data to external apps and devices.
How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.