BuffCat: Strength Training Log

3D Form Guides & Muscle Maps

Free · Designed for iPhone. Not verified for macOS.

Every set counts. Your cat shows it. BuffCat makes strength training easy to track—with a muscular cartoon cat that has something to flex about. ■ See what you've worked • Muscles trained in the last 4 days glow red on your 3D cat. • Buff Cat strikes a bodybuilding pose to show off your most-trained muscles. • Take a few days off and Just Cat returns, wandering around on all fours. ■ Find your next exercise • Explore 251 exercises with 3D form animations: barbell, dumbbell, machine, cable and bodyweight. • See each exercise's primary and secondary muscles on a muscle map. • Filter by body part and equipment, and save your favorites. ■ Log your sets. Know your numbers. • Track weight × reps, reps alone, time or cardio minutes. • Mark warm-up, drop and failure sets. • Compare your performance with your last workout and recent average. • See your estimated 1RM, top weight and volume. • Use kg or lb. ■ Keep your workout moving • Your rest timer starts automatically after each set. • Check your rest timer on the Lock Screen and Dynamic Island. • Adjust the next set's weight and reps, or mark it complete, right from either screen. ■ See the bigger picture • Check your training balance with a hexagon chart for the past week or month. • Track weekly volume, your most-done exercises and a full year of activity on a heatmap. • Browse your workout calendar and edit or delete past workouts. ■ Bring your history with you • Import your history from other workout apps via CSV. • Keep your data in sync with iCloud. • Save completed workouts to Apple Health as strength training. • No account needed. No ads. Get your next set in. Give Buff Cat a reason to flex.

  • This app hasn’t received enough ratings or reviews to display an overview.

• After each workout, Buff Cat sums it up on a card you can share as an image • Apple Watch app: complete sets and follow your rest timer from your wrist • Routines: save your own routines and repeat a past workout as is • Supersets: group exercises and alternate between them • Add your own exercises, with a 3D muscle preview • New personal records and first-time lifts are flagged automatically • See the muscles you trained on a front and back body map • Export and import your workout history as CSV • A rest-over sound you'll hear even while listening to music • New orange look and app icon • Bug fixes

The developer, Juyong Bak, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Collected

    The developer does not collect any data from this app.

    Privacy practices may vary, for example, based on the features you use or your age. Learn More

    The developer has not yet indicated which accessibility features this app supports. Learn More

    Seller
    Juyong Bak
    Size
    113.6 MB
    Category
    Health & Fitness
    Compatibility
    Requires iOS 26.1 or later.
    • iPhone
      Requires iOS 26.1 or later.
    • Mac
      Requires macOS 26.1 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 26.1 or later.
    • Apple Watch
      Requires watchOS 26.0 or later.
    Languages
    English and 9 more
    • English, French, German, Italian, Japanese, Korean, Portuguese, Simplified Chinese, Spanish, Traditional Chinese
    Age Rating
    9+
    Copyright
    © 2026 SunDragon