Data as of Jul 25, 2026 · Based on 2,718,867 AI responses across 9,511 prompts · See how Parse measures this
Zone 2: Heart Rate Trainingapps.apple.com · Low evidenceZone 2 is a heart rate training app that tracks weekly workout minutes spent in the zone 2 heart rate range (60–70% of maximum heart rate) for endurance and fat-burning benefits. The Apple Watch companion app provides live zone tracking with haptic feedback, Siri announcements, and health metrics.
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