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Just Zones

Weekly heart rate zone minutes
Guinea Pig Software Development Inc. · Health & Fitness
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App info

Developer
Guinea Pig Software Development Inc.
Category
Health & Fitness
Released
Sep 24, 2026
Version
1.2.1 (Oct 17, 2026)
Price
Free
Size
13.9 MB
Requires
iOS 26.0
Age rating
4+
Languages
English

In-app purchases

Just Zones Pro$9.99
Current prices, App Store US.
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About Just Zones

Just Zones turns the workouts you already record in Apple Health into an honest, weekly picture of time spent in each heart-rate zone. WHAT IT DOES • Week view: time in each zone this week, compared with last week and your usual (median of your last 4 weeks) • Every workout, in full detail: heart-rate curve, minutes per zone, histogram, best sustained heart rate over rolling windows, and zone-change count • Runs and rides with GPS: route map coloured by heart-rate zone, with auto splits • Effort and recovery: elevated-effort intervals and recovery phases inferred from your heart-rate curve, for any workout type • Strength, swimming and 50+ other workout types each get the detail HealthKit actually provides — the app tells you plainly when Apple Watch doesn't record something (e.g. reps or weight for strength workouts), instead of guessing • Zone model shown, not hidden: uses Apple's own…
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