# ZoneMax: VO₂ Max Optimizer

> HR Zones, VO₂ Max & Recovery

Canonical page: [https://chrome-stats.com/d/id6803922486](https://chrome-stats.com/d/id6803922486)

## Overview

- **ID:** `id6803922486`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** Pleiades Labs LLC
- **Category:** Health & Fitness
- **Rating:** 5.00 / 5 (1 ratings)
- **Version:** 1.0
- **Last updated:** 2026-08-26
- **First published:** 2026-08-26
- **Size:** 7.84 MB
- **Data as of:** 2026-09-22
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/zonemax-vo-max-optimizer/id6803922486)
- **Privacy policy:** [https://www.pleiadeslabsllc.com/zonemax/privacy.html](https://www.pleiadeslabsllc.com/zonemax/privacy.html)

## Description

Know your zones. Track your VO₂ Max. Score your recovery. All from your Apple Watch — one-time purchase, no subscription.

ZoneMax turns your Apple Watch workout data into clear, actionable fitness insights — no subscription, no account, no data leaving your device.

HEART RATE ZONE BREAKDOWN
See exactly how much time you spend in each heart rate zone for every workout. Visualize your training intensity with an Activity Ring-style display.

VO₂ MAX TRENDS
Track your cardiorespiratory fitness over time with interactive charts. See how you rank against age and sex-adjusted benchmarks.

DAILY RECOVERY SCORE
A composite score built from your HRV, resting heart rate, sleep, and training load — so you know when to push hard and when to rest.

BUILT FOR PRIVACY
Zero data collection. Zero analytics. Everything stays on your device.

Requires Apple Watch and HealthKit data.

## Rankings

- #917,287 — Overall

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Source: [Chrome-Stats](https://chrome-stats.com/d/id6803922486)