# Custom alarm : Chronos > Study, Tabata, ADHD in one! Voice-guided routine timer. Canonical page: [https://chrome-stats.com/d/com.set.Chronos](https://chrome-stats.com/d/com.set.Chronos) ## Overview - **ID:** `com.set.Chronos` - **Platform:** Android - **Type:** Android app - **Status:** Available - **Publisher:** set3523 - **Category:** PRODUCTIVITY - **Downloads:** 2,989 - **Version:** 2.4.5 - **Last updated:** 2026-06-20 - **First published:** 2026-04-03 - **Publisher country:** KR - **Size:** 16 MB - **Data as of:** 2026-09-07 - **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.set.Chronos) - **Website:** [https://set3523.github.io](https://set3523.github.io/) - **Privacy policy:** [https://sites.google.com/view/chronos-app/privacy-policy](https://sites.google.com/view/chronos-app/privacy-policy) ## Description [Beyond a simple timer, it’s your 'External Brain']

Stop relying on willpower alone. From intense study sessions and HIIT workouts to managing adult ADHD, Chronos leads your actions with a precision multi-alarm engine and voice guidance.

🎯 Tailored Features for Your Success

1. For Students & Professionals (Study & Pomodoro)


- Master Your Focus: Customize your Pomodoro (e.g., 50/10) to fit your concentration span.

- Multi-Alarm Engine: Never miss a subject change with overlapping alarms.

- Earphone Mode: Stay in the zone at libraries or cafes with private alerts.


2. For Fitness Enthusiasts (Tabata & HIIT)


- Precision Interval Training: Design HIIT, Tabata, or weightlifting sets down to the second.

- TTS Voice Guide: No need to check your phone. "Next set in 5," "Keep going!"β€”your pocket coach leads the way.


3. For ADHD & Focus Support (Beat Time Blindness)


- Cure Time Blindness: Auditory cues like "5 minutes until departure" help you stay on track.

- Relative Time System: Lower the barrier to starting with one-tap instant routines.


✨ Why Chronos is Different

- Deep Customization: Set unique ringtones, volumes, and TTS for every single step.

- Routine Receipt: Visualize your hard work with a trendy receipt design. Share your #Studygram or #Workout progress.

- Progress Calendar: Track your consistency and analyze your growth patterns daily.


πŸ’‘ Perfect for those who:

- Need a structured study schedule for exams.

- Want a hands-free experience during home workouts.

- Struggle with adult ADHD and executive dysfunction.

- Want to build a "Systematic Life" and achieve Daily Goals.


Design, execute, and prove your day with Chronos. Download now! ## Rankings - #839,238 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.FOREGROUND_SERVICE` - `android.permission.FOREGROUND_SERVICE_MEDIA_PLAYBACK` - `android.permission.INTERNET` - `android.permission.POST_NOTIFICATIONS` - `android.permission.RECEIVE_BOOT_COMPLETED` - `android.permission.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS` - `android.permission.SCHEDULE_EXACT_ALARM` - `android.permission.USE_EXACT_ALARM` - `android.permission.USE_FULL_SCREEN_INTENT` - `android.permission.VIBRATE` - `android.permission.WAKE_LOCK` - `com.android.vending.BILLING` - `com.android.vending.CHECK_LICENSE` - `com.google.android.c2dm.permission.RECEIVE` - `com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE` - `com.google.android.gms.permission.AD_ID` - `com.google.android.providers.gsf.permission.READ_GSERVICES` - `com.set.Chronos.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION` ## Similar extensions and apps - [ChronusRex](https://chrome-stats.com/d/com.chronusrex) β€” 7 users - [ADHD Focus: Brown Noise Timer](https://chrome-stats.com/d/com.bis.focustimer.pomodoro) β€” 36 users - [ChronoPro Timer & Alarm Clock](https://chrome-stats.com/d/com.chronoprotimerapp.chronoprotimeralarm) β€” 6 users - [Habit Alarm : Health and Study](https://chrome-stats.com/d/com.solomodestudios.habitalarm1) β€” 53 users - [Chronos - Interval Timer](https://chrome-stats.com/d/com.tekniklab.chronos) β€” 213 users - [Interval Timer: Focus Booster](https://chrome-stats.com/d/com.techback.IntervalTimer) β€” 270 users - [ChronoPro: Timer & Alarm,Clock](https://chrome-stats.com/d/com.chronotimerapp.chronoprotimer) β€” 93 users - [CadenceAI: Focus & Study Timer](https://chrome-stats.com/d/com.cadence.focus) β€” 70 users - [StudyClock: Study Timer Alarm](https://chrome-stats.com/d/com.studyclock.study_clock) β€” 1,523 users - [Focus Trainer](https://chrome-stats.com/d/com.focustrainer.app) β€” 13 users - [Pomodoro Focus Timer: ADHD](https://chrome-stats.com/d/com.dreamteammobile.pomodoro.focus.timer) β€” 4,704 users, 2.82 / 5 - [Focus Timer](https://chrome-stats.com/d/com.indiana.focustimer) β€” 4 users --- Source: [Chrome-Stats](https://chrome-stats.com/d/com.set.Chronos)