Stack Timer: Gym, HIIT & Focus

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

📄 Full Description

Two Modes. One Powerful AI. Total Control of Your Time.

Tired of juggling one app for the gym and another for studying? Stack Timer revolutionizes time management with its new Dual Architecture. With a single tap, transform your device from a hardcore personal trainer into a minimalist productivity partner.

Designed for athletes, bio-hackers, and students requiring pinpoint precision.

🔥 WORKOUT MODE Dominate your physical sessions with a high-energy, high-contrast interface.

Specialties: HIIT, Tabata, CrossFit, Boxing, Calisthenics, and Weightlifting.

Nested Loops (Stacks): Create complex structures just like a programmer.

Voice Feedback: Forget staring at the screen. The assistant guides you step-by-step.

🧠 FOCUS MODE (Productivity) [NEW] Shift gears. Activate Focus Mode for a Zen interface, calming colors, and zero distractions.

Techniques: Pomodoro, 52/17, Deep Work, or Meditation.

Minimalism: Visualize your progress without stress.

Discreet Mode: "Vibration Only" option for libraries and offices.

✨ INNOVATIVE & PREMIUM FEATURES

🪄 AI Stack Builder Mental block? Ask our AI for your ideal routine.

“Make me a 20 min leg Tabata”
“Create a study session with short breaks”

The AI will generate the full structure and load it into your editor instantly.

📊 "The Tower" Statistics Visualize your effort. Build your daily "Block Tower."

Maintain your streak, consistency, and discover your "Golden Hour."

🏆 New Achievement System Unlock epic medals for your consistency, discover secrets, and earn rewards.

🔔 Persistent Notifications 2.0 Track your progress even with the screen locked or while using other apps. (Visual style with a large counter and progress bar).

☁️ Cloud & Security
Google Drive Backup: Your routines and stats kept safe in your private cloud.

❤️ Connected Health (Health Connect): Now your sessions automatically save to Google Fit.

FREE vs. PREMIUM: You Choose

🔥 FREE Version:
✅ Full access to Workout Mode and Focus Mode.
✅ Unlimited creation of complex routines (Stacks).
✅ Basic timer.
✅ Statistics for the last 7 days.

💎 PREMIUM Version:
🚀 Ad-free experience: 100% full screen.
🚀 Infinite History: Unlock stats from previous months and years.
🚀 Pro Notifications: Advanced visualization in the status bar.
🚀 Backups: Cloud backup (Google Drive).
🚀 Health Sync (Health Connect) and MET calorie estimation.
🎁 AI Bonus: 3 Free credits to generate routines with AI.

🚀 Why is Stack Timer different? Most timers are linear. Stack Timer is exponential.
Thanks to our nesting system, you can create routines with the depth you need—whether you are training for a marathon or writing your doctoral thesis.

Download Stack Timer now and master every second of your day!
Updated on
Feb 3, 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
No data collected
Learn more about how developers declare collection

What’s new

🛠️ Bug fixes.

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.

App support

About the developer
Alejandro López Pérez
XelaCore@outlook.com
C. Cervantes, 10, 3D 50620 Zaragoza Spain

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