# MuscleBuildingRecorderApp

> Health & Fitness

Canonical page: [https://chrome-stats.com/d/id6754168901](https://chrome-stats.com/d/id6754168901)

## Overview

- **ID:** `id6754168901`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** Kiichi Yokokawa
- **Category:** Health & Fitness
- **Version:** 1.5
- **Last updated:** 2026-07-12
- **First published:** 2026-01-12
- **Size:** 13 MB
- **Data as of:** 2026-09-13
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/musclebuildingrecorderapp/id6754168901)
- **Website:** [https://yok1012.github.io/MuscleBuildingRecorder/](https://yok1012.github.io/MuscleBuildingRecorder/)
- **Privacy policy:** [https://yok1012.github.io/MuscleBuildingRecorder/](https://yok1012.github.io/MuscleBuildingRecorder/)

## Description

This update adds AI analysis for individual history entries, heart rate tracking via AirPods Pro 3, and centralized data export.

【Strength Training Log - Heart Rate Workout Tracker】

  Track your sets, rest periods, heart rate, and workout history in one place.
  MuscleBuildingRecorder works with iPhone and Apple Watch to help you manage
  exercise time, rest time, exercise details, load, reps, notes, and heart rate
  during training.

  MuscleBuildingRecorder is designed for people who want more than a simple
  stopwatch. It helps you turn each workout into a clear training record, with
  separate tracking for work and rest phases, heart rate data, notes, tags,
  presets, and session history.

  Main Features

  Real-Time Heart Rate Monitoring
  • Supports Apple Watch, Bluetooth heart rate monitors, and compatible AirPods
  Pro heart rate sensors
  • Displays heart rate in real time during workouts
  • Records average, maximum, and minimum heart rate
  • Helps you review workout intensity and recovery trends

  Strength Training Timer
  • Separately tracks workout time and rest time
  • Manages sets and workout cycles
  • Shows total workout time, work time, and rest time
  • Supports rest notification settings
  • Supports session restoration if a workout is interrupted

  Detailed Workout Logging
  • Record exercise name, category, load, and reps
  • Save notes for each set
  • Add tags and fatigue details for better review
  • Manage exercises by category, such as chest, back, and legs
  • Use presets to start frequently used routines faster

  History and Export
  • View summaries for each session
  • Check heart rate graphs to review workout intensity
  • Browse past workout history
  • Review and export records across multiple days
  • Export data in CSV and JSON formats

  Apple Watch Integration
  • Control workouts from Apple Watch
  • Sync timer and phase changes between iPhone and Apple Watch
  • Track heart rate while continuing your session
  • Continue workout recording in the background
  • Supports exercise input and workout actions from Apple Watch

  Live Activities
  • Check your workout status from the Lock Screen or Dynamic Island
  • View the current work/rest phase
  • Quickly see elapsed time and heart rate

  Customization
  • Adjust button layout
  • Configure rest notifications
  • Manage tag presets
  • Create and edit workout presets

  Recommended For

  • People who want to record each strength training set accurately
  • Lifters who manage load, reps, and rest time
  • Apple Watch users who want heart rate data during workouts
  • Anyone who wants to review workout history and improve over time
  • Users who want to export workout data in CSV or JSON format
  • Anyone looking for more than a basic workout timer

  Pro Benefits

  • Ad-free workout experience
  • View results immediately after completing a workout
  • Access to selected customization features

  Pro is available as a monthly subscription or a one-time purchase.

  Data Privacy

  • Workout records are primarily stored locally on your device
  • HealthKit access requires your permission
  • Recorded data can be exported in CSV or JSON format when needed
  • Cloud sync is not currently provided

  Requirements

  • iOS 17.0 or later
  • watchOS 10.0 or later when using Apple Watch
  • HealthKit permission for heart rate tracking
  • Bluetooth permission when using a Bluetooth heart rate monitor

  Simple Workflow

  1. Select an exercise
  2. Enter load and reps
  3. Start the set
  4. Track time and heart rate
  5. Manage rest time
  6. Move to the next set or finish the session
  7. Review your summary and history

  Record your strength training more accurately and make every workout easier to
  review.
  With MuscleBuildingRecorder, your training becomes useful data you can build
  on.

  【Support】
  For questions or requests, please contact us from the app settings.

  【Terms of Use】
  https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

  【Privacy Policy】
  https://yok1012.github.io/MuscleBuildingRecorder/

## Rankings

- #1,524,910 — Overall

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Source: [Chrome-Stats](https://chrome-stats.com/d/id6754168901)