MuscleBuildingRecorderApp
MuscleBuildingRecorderApp is made and published by Kiichi Yokokawa. AppBrain is an independent app data site and isn't affiliated with Kiichi Yokokawa. The app name, icon, screenshots and description belong to Kiichi Yokokawa and are shown as published on the App Store.
AppBrain's verdict
- Last updated
- July 12, 2026
- Size
- 13.2 MB
User feedback
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Store listing
By Kiichi Yokokawa, from the App StoreDescription by Kiichi Yokokawa Written by the developer, not by AppBrain. Click to read.
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/
Safety and technology
Found in the app by AppBrain- Price
- Free
- App size
- 13.2 MB
- Content rating
- Everyone
Technologies used by MuscleBuildingRecorderApp
Releases
Updates seen on the App Store- Version
- 1.5
- Launched
- January 2026
No changelog data
Alternatives
Similar apps and more from Kiichi YokokawaMore from Kiichi Yokokawa
Rankings
App Store top chartsApp Store Rankings for MuscleBuildingRecorderApp
About the app and developer
About MuscleBuildingRecorderApp
MuscleBuildingRecorderApp is a health & fitness app developed by Kiichi Yokokawa.
What is the rating of MuscleBuildingRecorderApp?
MuscleBuildingRecorderApp has no ratings yet.
Is MuscleBuildingRecorderApp free?
MuscleBuildingRecorderApp is free. The app size is 13.25 MB. The latest version available is 1.5. The last update was on July 12, 2026.
What are the requirements for MuscleBuildingRecorderApp?
The app has a content rating of Everyone. The app has been available on the App Store since January 2026.
Developer information for Kiichi Yokokawa
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