MentzerTracker

A flexible Android workout logger focused on fast, natural entry for both strength and cardio sessions.

Screenshots

Features

Logging

• Natural language input - Type bench 225 x 8, squat 315 3x5, cable crunch 80 x 15, or plank 60 sec
• Cardio-friendly logging - Log treadmill and elliptical with time, distance, calories, steps, or a mix
• 120+ built-in exercises covering free weights, machines, core, cardio, and common Planet Fitness equipment
• 260+ aliases - Shorthand and common variants like bench, crunchs, and eleptical work
• Better core support - Reps-only and hold-based ab work like crunches, sit-ups, leg raises, and planks parse cleanly
• Smart suggestions - Adapts to what you're typing

Tracking

• Progress charts - Line graphs showing weight progression over time for strength movements
• "All" view - See all exercises on one chart
• By-date history - Review full workouts grouped by day, including cardio summaries
• Date editing - Fix mistakes on past workouts
• Session history - Scroll through recent workouts per exercise

Scheduling

• Flexible intervals - Daily, weekly, or custom (every X days)
• Simple schedule card - Shows last workout and when next is due
• Simple scheduling - Set intervals for reminders and recovery
• Notifications - Customizable workout reminders

Other

• Light & dark themes
• Backup & restore (JSON export)
• No account required - all data stored locally

Example Inputs

bench 225 3x8
cable crunch 80 x 15
crunchs 25
plank 60 sec
treadmill 20 min 250 cal
elliptical 2.5 mi 30 min 4500 steps

Requirements

• Android 10 (API 29) or higher
• ~15 MB storage

Building from Source

Prerequisites

• Android Studio Hedgehog (2023.1.1) or newer
• JDK 17
• Android SDK with API 36

Steps

# Clone the repository
git clone https://github.com/vincentlarkin/MentzerTracker.git
cd MentzerTracker

# Open in Android Studio and sync Gradle
# Or build from command line:
./gradlew assembleDebug

The APK will be at app/build/outputs/apk/debug/app-debug.apk

Tech Stack

• Kotlin with Jetpack Compose
• Material 3 design system
• WorkManager for notifications
• Gson for JSON serialization
• SharedPreferences for local storage

Project Structure

app/src/main/java/com/example/mentzertracker/
|-- novanotes/                # Main UI screens
|   |-- NovaHomeScreen.kt     # Main logging interface
|   |-- NovaBuilderScreen.kt  # Exercise/workout reference
|   |-- NovaNotesScreen.kt    # Alternate notes-style logger
|   `-- WorkoutParser.kt      # Natural language parsing
|-- NovaProgressScreen.kt     # Charts and history
|-- NovaSettingsScreen.kt     # App settings
|-- WorkoutData.kt            # Exercise definitions and tracking models
`-- NotificationHelper.kt     # Reminder scheduling

License

Personal project - feel free to fork and modify for your own use.