Just Zones vs Zonometry

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 recorded zones when a workout has them, otherwise a clearly labelled heart-rate-reserve (Karvonen) estimate — with the exact BPM bounds and inputs always visible • Manual zone settings: adjust max heart rate, resting heart rate, LTHR and age yourself if you don't want the app's estimate TRENDS (PRO) See your last 30 days of trends for free — weekly intensity mix, when you train, and more. Just Zones Pro extends Trends to your full history — one-time purchase, Family Sharing included, no subscription. Everything else in the app — Week, every workout at any age, and sharing a workout as an image — stays free, always. PRIVACY Just Zones reads workouts and heart-rate data from Apple Health — read-only, it never writes anything back. Your health data is processed and stored on your device. The app has no accounts and no backend of its own. It sends anonymous crash reports and handles purchases through third-party services; your health data is never included in either. REQUIREMENTS Requires an iPhone with workout and heart-rate data in Apple Health — recorded by Apple Watch, the Workout app, or another app that writes to Health. Just Zones does not record its own workouts and has no Apple Watch app.

Find your training balance with Zonometry. Turn your Apple Health workouts into a colourful picture of time spent in easy, moderate and hard heart-rate zones. A tactile running track brings your training mix into focus, from a single day to six months. SEE THE WHOLE PICTURE Explore days, weeks, months and six-month views. Review time in zones, heart-rate readings and workout effort. EVERY RUN, IN DETAIL See your recorded route coloured by heart-rate zone, running metrics, intervals, estimated kilometre splits and post-workout heart rate. Available details depend on what your workout recorded and your Apple Health permissions. FOLLOW YOUR CARDIO FITNESS View VO₂ max from Apple Health with a compact trend chart. Open it for recorded measurements and age-based reference bands. Past periods show their final recorded measurement. Run reviews include linked or nearby readings with their timestamps. MAKE IT PERSONAL Adjust your heart-rate limits, minimum heart rate and training targets. Count recorded workouts or include everyday heart-rate readings. Choose heart-rate time or workout effort as your main view. RECORD HOW IT FELT Review and adjust workout effort ratings, with Apple Health integration on supported iOS versions. A LITTLE ATMOSPHERE Let local weather bring the track to life with sunlight and leaf shadows, drifting clouds, rain, snow and night lighting. Use your approximate location or choose a city. PRIVATE BY DESIGN Your health data is processed on your iPhone. No account, advertising or tracking SDKs. You choose what Zonometry can read in Apple Health. Zonometry is free for iPhone. Heart-rate views require heart-rate readings in Apple Health. You can also explore an example week before connecting.