# Stack Timer: Gym, HIIT & Focus > Interval timer for HIIT, Tabata, and gym workouts. Create and save your routines Canonical page: [https://chrome-stats.com/d/com.xelacore.stacktimer](https://chrome-stats.com/d/com.xelacore.stacktimer) ## Overview - **ID:** `com.xelacore.stacktimer` - **Platform:** Android - **Type:** Android app - **Status:** Available - **Publisher:** XelaCore - **Category:** HEALTH\_AND\_FITNESS - **Downloads:** 121 - **Version:** 3.1.31 - **Last updated:** 2026-07-26 - **First published:** 2026-01-04 - **Publisher country:** ES - **Size:** 31 MB - **Data as of:** 2026-09-13 - **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.xelacore.stacktimer) - **Website:** [https://xelacore.dev/stack-timer/](https://xelacore.dev/stack-timer/) - **Privacy policy:** [https://docs.google.com/document/d/1KZf1XFJS2eVbqHAVeFKrhTUANk4vevAYqlmpiZEHAdg/edit?usp=sharing](https://docs.google.com/document/d/1KZf1XFJS2eVbqHAVeFKrhTUANk4vevAYqlmpiZEHAdg/edit?usp=sharing) ## Description πŸ“„ 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.

πŸ”₯ 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

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

β€œMake me a 20 min leg Tabata”
β€œCreate a study session with short breaks”

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

πŸ“Š "The Tower" Statistics Visualize your effort. Build your daily "Block Tower."

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

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

πŸ”” 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

πŸ”₯ FREE Version:
βœ… Full access to Workout Mode and Focus Mode.
βœ… Unlimited creation of complex routines (Stacks).
βœ… Basic timer.
βœ… Statistics for the last 7 days.

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

πŸš€ 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 needβ€”whether you are training for a marathon or writing your doctoral thesis.

Download Stack Timer now and master every second of your day! ## Rankings - #1,909,177 β€” Overall ## Permissions and access ### Permissions - `android.permission.ACCESS_ADSERVICES_AD_ID` - `android.permission.ACCESS_ADSERVICES_ATTRIBUTION` - `android.permission.ACCESS_ADSERVICES_TOPICS` - `android.permission.ACCESS_NETWORK_STATE` - `android.permission.ACTIVITY_RECOGNITION` - `android.permission.FOREGROUND_SERVICE` - `android.permission.FOREGROUND_SERVICE_SPECIAL_USE` - `android.permission.INTERNET` - `android.permission.POST_NOTIFICATIONS` - `android.permission.RECEIVE_BOOT_COMPLETED` - `android.permission.VIBRATE` - `android.permission.WAKE_LOCK` - `android.permission.health.WRITE_ACTIVE_CALORIES_BURNED` - `android.permission.health.WRITE_EXERCISE` - `android.permission.health.WRITE_MINDFULNESS_SESSION` - `com.android.vending.BILLING` - `com.android.vending.CHECK_LICENSE` - `com.google.android.c2dm.permission.RECEIVE` - `com.google.android.gms.permission.AD_ID` - `com.xelacore.stacktimer.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION` ## Similar extensions and apps - [HIIT Timer & Workout Timer](https://chrome-stats.com/d/com.aners.tickflow) β€” 62 users - [Complete Interval Timer](https://chrome-stats.com/d/com.malingaperera.interval_timer) β€” 279 users - [Modern Interval Timer](https://chrome-stats.com/d/com.modernintervaltimer) β€” 42 users - [Workout Interval Timer: HIIT](https://chrome-stats.com/d/com.alexokhmat.intervaltimer) β€” 335 users - [Block Timer: Habit Stack Timer](https://chrome-stats.com/d/com.tsjh.block_timer) β€” 81 users - [OmniTimer: Focus, HIIT, Tabata](https://chrome-stats.com/d/app.arcanumlabs.omnitimer) β€” 42 users - [Gym Timer](https://chrome-stats.com/d/com.gymtimer.en) β€” 6 users - [Coach Timer Pro](https://chrome-stats.com/d/com.ariyaka.coachtimer) β€” 8 users - [Sequence Timer: Focus & HIIT](https://chrome-stats.com/d/com.ototo.watasiha.programabletimer) β€” 24,647 users, 4.31 / 5 - [Interval Timer - HIIT Tabata](https://chrome-stats.com/d/com.benchapps.intervaltimer) β€” 3 users - [TempoTrack](https://chrome-stats.com/d/com.oplionstudio.tempotrack) β€” 5 users - [Multi Timer - Interval Routine](https://chrome-stats.com/d/com.threej.multi_timer) β€” 119 users --- Source: [Chrome-Stats](https://chrome-stats.com/d/com.xelacore.stacktimer)