Content rating
Everyone
10+
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Content rating
Everyone
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About this app

MuscleLab is the ultimate training log designed specifically for hypertrophy and strength training enthusiasts looking for a clean, fast, and frictionless way to record their gym workouts.

Key Features:

Local-First Architecture: Your data belongs to you. Your entire training history, strength records, and bodyweight are stored locally and securely on your device. Train without interruption, without creating accounts, and 100% offline.

Master Exercise Catalog: Forget about writing everything from scratch. It includes a native database with 250 real-world exercise variations in Spanish, perfectly categorized by muscle group (Chest, Back, Legs, Shoulders, Arms, Core, and Glutes) and equipment type (Barbell, Dumbbells, Pulleys, Machines, or Bodyweight).

Optimized for Progressive Overload: Track your work sets, warm-up sets, or drop sets in seconds while you rest, keeping your focus on what really matters: your performance.

Absolute Privacy: By not using external servers or requiring logins, your privacy is completely protected.

Take control of your training volume and break your personal records with a smooth, professional interface. Download MuscleLab and master your progress today!
Gym logbook to record your sets and progressive overload.
Updated on
Aug 15, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • No data shared with third parties
    Learn more about how developers declare sharing
  • This app may collect these data types
    Personal info, Health and fitness and 4 others
  • Data is encrypted in transit
  • You can request that data be deleted

What’s new

Novedades:
• Sincronización entre dispositivos: tus rutinas, planes, entrenos, peso corporal, medidas, récords y fotos de progreso ahora se mantienen al día automáticamente entre todos tus dispositivos con la misma cuenta.
• Correcciones de estabilidad.
Content rating
Everyone
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App support

About the developer
Oscar Magaña Jaime
contact@oscarmajai.dev
Mexico