# Lact8

> Lactate Threshold Testing

Canonical page: [https://chrome-stats.com/d/id6757203590](https://chrome-stats.com/d/id6757203590)

## Overview

- **ID:** `id6757203590`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** BEN REEVE
- **Category:** Health & Fitness
- **Version:** 1.1
- **Last updated:** 2026-01-11
- **First published:** 2026-01-05
- **Size:** 2.73 MB
- **Data as of:** 2026-09-10
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/lact8/id6757203590)
- **Website:** [https://lact8-iphone-support-site.vercel.app/](https://lact8-iphone-support-site.vercel.app/)
- **Privacy policy:** [https://lact8-iphone-support-site.vercel.app/privacy](https://lact8-iphone-support-site.vercel.app/privacy)

## Description

Lact8 helps athletes identify their lactate thresholds (LT1 and LT2) from step test data and calculate personalized training zones.

Features:

  • Record lactate, heart rate, and power/pace from step tests
  • Automatic threshold detection using proven methods
  • Multiple zone systems (3-Zone, 7-Zone Touretski, 8-Zone Couzens)
  • Track threshold progression over time
  • Export data as CSV, JSON, or Markdown

Perfect for cyclists, runners, and triathletes who want data-driven training zones based on their own physiology.

## Rankings

- #1,189,806 — Overall

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- [TrueZone](https://chrome-stats.com/d/id1574232639)
- [LACTIC](https://chrome-stats.com/d/id6788341415)
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Source: [Chrome-Stats](https://chrome-stats.com/d/id6757203590)