Stack Timer: Interval & Gym

Contains adsIn-app purchases
50+
Downloads
Content rating
Everyone
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About this app

🔥 Stack Timer: Your Ultimate Interval & Routine Trainer

Take your workouts to the next level with Stack Timer, the definitive app for managing your exercise and rest times. Forget watching the wall clock; focus on your effort while Stack Timer handles the intervals.

Designed for athletes, coaches, and fitness enthusiasts, our app lets you build complex workout structures ("Stacks") or use quick timers simply and intuitively.

✨ Key Features:

⏱️ Flexible Interval Timer: Customize work and rest times to fit your needs. Perfect for HIIT, circuit training, and weightlifting.

💾 Save Your Workouts: Have a favorite routine? Create it once, save it to your library, and launch it in seconds the next time you train.

🔄 Stack System: Organize your exercises into logical blocks. Ideal for separating warm-ups, core workouts, and cool-downs.

🎨 Intuitive Design: A clean, modern interface that makes it easy to see remaining time, even when you're exhausted.

🏋️ Ideal for All Types of Training:

- HIIT (High-Intensity Interval Training)

- Tabata (20s work / 10s rest)

- Boxing & Martial Arts (Rounds and breaks)

- CrossFit & WODs

- Yoga & Stretching (Pose timer)

- Gym & Bodybuilding (Control your rest times between sets)

🚀 Why Stack Timer?

Unlike basic stopwatches, Stack Timer gives you full control over your session's structure. Customize every second and maximize your results.

Download Stack Timer now and make every second of your workout count!
Updated on
Jan 11, 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
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No data collected
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What’s new

Stack Timer 3.0: Your Health, Connected! ❤️

❤️ Health Connect Sync: Your sessions now automatically save to Google Fit / Samsung Health. *Premium

🏆 New Achievements System: Unlock epic medals for your consistency, discover secrets, and win rewards.

🔥 New smart notifications to help you keep the habit.

🛠️ Bug fixes.