Stop guessing. Start knowing. TrendFit transforms your Apple HealthKit workout data into clear, actionable trends that show exactly how your fitness is progressing. Your Apple Watch captures incredible workout data, but seeing the big picture is overwhelming. Are you getting faster? Building endurance? TrendFit answers these questions instantly with intelligent visual analytics. Track distance, pace, energy, heart rate, cadence, and more with interactive charts that understand your workouts. Context-aware analysis understands how metrics work together, with smart indicators showing if you're improving, declining, or holding steady. Long-press any data point for exact values and dates. Pinch-to-zoom and pan through your complete workout history with smooth, responsive gestures. Compare trends across running, walking, cycling, and more. Stack multiple workout types to see total progress and view insights by day, week, month, or year. Understand your complete fitness picture with regression-based slope evaluation that shows true trends. Heart rate analysis considers energy output for accurate training insights. Pace trends correctly interpret faster times as improvement, and cadence analysis relates to your speed patterns. Built for runners tracking pace and heart rate progression, cyclists monitoring cadence and energy trends, walkers building consistency, and anyone wanting deeper insights than Apple Health provides. Perfect for athletes preparing for events and tracking training effectiveness. Clean, intuitive interface with instant on-device processing. Beautiful in both light and dark mode. Optimized for iPhone and iPad. Your privacy matters. 100% on-device processing means your HealthKit data never leaves your device. No account required, no data collection, no tracking. Complete transparency in how your data is analyzed. "Finally, an app that makes sense of my workout data without overwhelming me." "The trend analysis actually matches what I see in the charts." "Love that everything stays private on my device. No accounts, no cloud, just pure analytics." Requires iOS 18.0 or later and Apple Watch or iPhone with HealthKit workout data. Transform your Apple Health data into insights that drive real progress. TrendFit reads workout data from Apple Health. Use your Apple Watch or favorite workout app to record activities, then let TrendFit reveal the trends.