WorkoutStack is a smart gym workout logger that lets you track sets, reps, supersets, and rest intervals — all in one place, right from your iPhone.

Simply start a new workout, add exercises from the library, and log your sets and reps as you go. The built-in timer tracks your session and rest intervals automatically.

WorkoutStack is free to download and use. Premium features may be available to unlock advanced analytics and additional customisation options.

The exercise library contains hundreds of exercises with muscle group and equipment data, so you can quickly find the right movement and understand which muscles you're targeting.

Yes. All your workout data is stored locally on your device using a secure database, so your data stays private and accessible even without an internet connection.

Yes! WorkoutStack supports supersets, letting you group multiple exercises together and track them as a single block during your session.

After completing a set, you can start the rest timer to automatically count down your rest interval, keeping your workout on pace.

WorkoutStack is designed for serious gym-goers who want a fast, clean, and powerful logging experience — with muscle distribution insights built right in.

Yes. WorkoutStack automatically calculates which muscle groups you've worked based on the exercises in your session, giving you a clear picture of your training balance.

Absolutely. WorkoutStack is built around a local database, so you can log workouts and browse the exercise library with no internet connection required.