Muscle Trainer

Supports the 4 major bodyweight exercises: Push-ups, Squats, Sit-ups, and Back Extensions. Work out in rhythm with audio beat sounds and animated guides to maintain proper form and pace for maximum efficiency.

Additionally, the app automatically adapts to your phone's language settings, supporting display text and voice guidance across 10 languages: Japanese, English, Chinese, Spanish, Korean, German, Portuguese, French, Italian, and Arabic!

◆ Key Features & Functions
【1. Supports 4 Essential Exercises】
• Push-ups
• Squats
• Sit-ups
• Back Extensions

【2. Customizable Rhythm & Tempo (BPM)】
• Freely adjust the tempo from 20 BPM to 100 BPM.
• Work out at the ideal pace for your level—from slow tempos for beginners to high-speed paces for advanced users.

【3. 2 Counting Modes】
• ⏱️ Auto-Rhythm Mode: Automatically counts your reps and timing based on your target BPM.
• 👆 Touch/Sensor Mode: Count reps at your own pace by tapping the screen.

【4. Native Voice Guidance & Beat Sounds】
• Voice counting guides powered by Web Speech API ("1, 2...", "Start!", "Goal Reached!").
• Built-in metronome feature and vibration alerts help keep you focused on your routine.

【5. Automatic Multi-Language Support (10 Languages Supported)】
• Automatically detects 10 languages: Japanese, English, Chinese, Spanish, Korean, German, Portuguese, French, Italian, and Arabic!
• Both on-screen text and audio guidance feature natural, native voice generation for each language.

【6. METs-Based Calorie Burn & Workout Tracking】
• Accurately calculates burned calories (kcal) and exercise time based on exercise science (METs).
• View your daily reps, calories burned, and total time at a glance.

【7. Weekly Activity Graph & Consecutive Streaks】
• Visualize your training volume over the last 7 days with clean bar charts.
• Stay motivated to build a daily habit using the consecutive workout streak feature.

【8. Privacy-Focused & Fully Offline】
• No account registration or login required. All your data is safely stored locally on your device.
• Works seamlessly even offline (no internet connection required).

◆ Recommended For:
• People who find it hard to maintain a consistent workout pace at home
• Anyone who loses count of their reps when training alone
• Users who want to smartly track their reps and calorie consumption
• Anyone looking to share a workout app with international friends or family

Start building your ideal body with enjoyable, effective daily workouts using "Muscle Trainer"!