# X-Time Stopwatch > Fast and accurate stopwatch for training, studying and competitions. Canonical page: [https://chrome-stats.com/d/com.acstc.cronometro](https://chrome-stats.com/d/com.acstc.cronometro) ## Overview - **ID:** `com.acstc.cronometro` - **Platform:** Android - **Type:** Android app - **Status:** Available - **Publisher:** ACSTC Lab - **Category:** TOOLS - **Downloads:** 109 - **Version:** 3.0.1 - **Last updated:** 2025-10-31 - **First published:** 2025-09-05 - **Publisher country:** BR - **Size:** 6.53 MB - **Data as of:** 2026-09-06 - **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.acstc.cronometro) - **Website:** [https://site-de-curriculo-e-portifolio.vercel.app/app/1](https://site-de-curriculo-e-portifolio.vercel.app/app/1) - **Privacy policy:** [https://sites.google.com/view/cronometro-x-time/in%C3%ADcio](https://sites.google.com/view/cronometro-x-time/in%C3%ADcio) ## Description 🏃‍♂️ X-Time Stopwatch: Professional Precision for Your Workouts 🏁

Tired of basic, inaccurate stopwatches? X-Time Stopwatch is the professional solution for runners, athletes, and everyone who demands maximum precision. Developed by ACSTC Labs, this is a robust, elegant, and performance-driven tool.

🕐 ABSOLUTE PRECISION
Our timing engine delivers lightning-fast updates, capturing every millisecond of your performance. The clear HH:MM:SS.ms display and the "Keep Screen On" feature ensure you maintain total focus during your training. Intuitive controls (Start, Pause, Resume, Reset) offer immediate response, even on the move.

🏁 ADVANCED LAP SYSTEM
Ideal for interval training and performance analysis, our lap system is powerful and easy to use. Mark laps in real-time with a single tap and review a complete, detailed history of every session. Thanks to the local database, your workouts and lap times are automatically saved on your device, ready for analysis.

🎨 ELEGANT DESIGN & USER-FOCUSED EXPERIENCE
Enjoy a clean, modern interface designed with Material Design 3. The dark theme is perfect for night use or the outdoors, and the edge-to-edge layout leverages your entire screen for an immersive experience. The responsive design adapts perfectly to smartphones and tablets in any orientation.

🌍 A GLOBAL STOPWATCH
Sports are universal, and your stopwatch should be too. X-Time offers full support for 65 languages, with smart localization that adjusts date, time, and number formats for your region. Feel at home, wherever you train.

🎯 PERFECT FOR EVERY NEED

🏃‍♂️ Runners: Ideal for road races, speed work, and interval training. Easily analyze your pace per lap.

🏋️‍♂️ Athletes: Control rest time between sets, measure endurance exercises, and track your progress.

🏠 Everyday Use: Perfect for cooking, studying with the Pomodoro Technique, meditating, or any other activity that requires precise timing.

💎 PREMIUM EXPERIENCE
For a completely focused experience, upgrade to the Premium version:

Zero Ads: Remove all banners for a 100% clean interface.

Flexible Options: Choose between an annual subscription or a lifetime license with a one-time payment.

The free version is fully functional and supported by discreet ads from Google AdMob.

🛡️ PRIVACY FIRST
We respect your data.

Minimal Permissions: We only request what's essential for the app to work (to keep the screen on and the timer active). We do not access your contacts, location, or files.

100% Local Data: All your workout history is stored securely on your device only. We do not track your activity.

⚙️ TECHNOLOGY AND PERFORMANCE
Built on a modern architecture, X-Time ensures a stable, fast, and battery-optimized experience, running smoothly on any compatible device (Android 8.0+).

Don't settle for less. Elevate your performance with a tool that matches your ambition.

Download X-Time Stopwatch now and feel the difference of professional precision! ## Rankings - #1,939,586 — 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.INTERNET` - `android.permission.WAKE_LOCK` - `com.acstc.cronometro.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION` - `com.android.vending.BILLING` - `com.android.vending.CHECK_LICENSE` - `com.google.android.gms.permission.AD_ID` ## Similar extensions and apps - [Stopwatch](https://chrome-stats.com/d/app.sagstudios.stopwatch) — 37 users - [Stopwatch: Precision Tracker](https://chrome-stats.com/d/com.precision.stopwatchpro) — 4 users - [Stopwatch Timer](https://chrome-stats.com/d/com.addtoolapp.stopwatch) — 26 users - [Tempo Lap Tracker](https://chrome-stats.com/d/com.chronotrack.tempolap) - [StopwatchX](https://chrome-stats.com/d/com.algobarokah) — 5,017 users - [Stopwatch](https://chrome-stats.com/d/jp.aosystem.stopwatch) — 373 users - [Stopwatch and Timer](https://chrome-stats.com/d/com.stopwatchtimer.in) — 299 users - [Stopwatch Timer](https://chrome-stats.com/d/com.appnexa.stopwatch) — 3,429 users - [Sport Stopwatch](https://chrome-stats.com/d/com.nanosports.stopwatch) — 73 users - [Stopwatch Timer – Lap Pro](https://chrome-stats.com/d/eu.androidapps.stopwatch) — 74 users - [Stopwatch](https://chrome-stats.com/d/com.wbmsweb.stopwatch) — 110 users - [Stopwatch - Timer & Laps](https://chrome-stats.com/d/com.yojorge.Nombredemiproyecto) — 277 users --- Source: [Chrome-Stats](https://chrome-stats.com/d/com.acstc.cronometro)