Show HN: Heart Rate Zones Plus – The first iOS app I ever developed

Track time in heart rate zones. Track per day, week, month and more. Set goals & visualize progress. Get details about heart rates zones of your workouts. Track your time in heart rate zones and reach your fitness goals Take your fitness tracking to the next level with Heart Rate Zones Plus - designed for people who want to understand their heart rate zone performance, not just count steps or calories. Whether you're a dedicated athlete, a weekend warrior, or just starting your fitness journey, this app helps you monitor your heart rate zones, set meaningful goals, and visualize your progress in ways that matter. Key features 1. Custom time periods Understand your overall time per day, week, month, last 7 days or last 30 days in each heart rate zone. 2. Workout to zone attribution Ever wondered which workouts actually contributed to time in Zone 4 or Zone 5? With the smart breakdowns, you don’t just see your total time in heart rate zones—you see exactly which workouts fue ... Read full article.