Coros APEX 4 - 42mm

Designed with input from elite mountain athletes, the COROS APEX 4 is built for precision, enduran...

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Product Information

Full details

The COROS APEX 4 is a 42mm multisport GPS watch designed for elite mountain athletes seeking precision, endurance, and advanced training tools. Its key benefit is delivering ultra-accurate GPS, best-in-class battery life, and zero-lag mapping in a lightweight, durable package. A potential caveat for some users might be its focus on advanced metrics, which may require a learning curve for beginners.

All features

SeriesAPEX 4
Model Part NumberCRS1013
BrandCoros

Extended Product Information

FAQs

What is the battery life of the Coros APEX 4?

The APEX 4 offers best-in-class battery life. In standard watch mode, it can last for weeks. In full GPS mode, it provides extended usage suitable for multi-day adventures, though specific hours vary based on GPS mode and settings.

Is the Coros APEX 4 suitable for swimming?

Yes, the APEX 4 is designed for water activities and has a water rating suitable for swimming, snorkeling, and other water sports. Remember to rinse with fresh water and dry thoroughly after exposure to salt water or chlorine.

Can I customize the watch face and data fields?

Yes, the COROS app allows for extensive customization of watch faces and the data fields displayed during activities to suit your preferences and training needs.

How do I update the firmware on my APEX 4?

Firmware updates are typically delivered via the COROS app. When an update is available, you will be prompted to sync your watch to download and install the new firmware.

What is the warranty period for the APEX 4?

COROS typically offers a standard warranty period for their products. Please refer to the official COROS website or your purchase documentation for the specific warranty details applicable to the APEX 4 in your region.

Does the APEX 4 have music storage or playback?

The COROS APEX 4 does not feature onboard music storage or playback capabilities. Its focus is on performance tracking, navigation, and battery life.

How accurate is the altimeter?

The APEX 4 uses a dual-range barometer for vertical accuracy, which is crucial for alpine terrain. For the most accurate altitude readings, it's recommended to calibrate the altimeter regularly, especially after significant elevation changes or long periods without use.

Troubleshooting

Watch not syncing with the COROS app

Ensure Bluetooth is enabled on your phone and the watch is within range. Try restarting both your phone and the watch. Check if the COROS app needs an update.

GPS accuracy is poor

Ensure the watch has a clear view of the sky. Update to the latest firmware for improved GPS performance. Perform a GPS reset through the watch settings if issues persist.

Heart rate readings seem inaccurate

Make sure the watch is worn snugly on your wrist, about one finger's width above your wrist bone. Clean the sensors on the back of the watch. Avoid excessive hair or lotions under the sensor area.

Battery draining faster than expected

Check for background activity or widgets that might be consuming power. Reduce screen brightness or set the display to always-on mode less frequently. Ensure GPS settings are optimized for your activity type.

Watch screen is unresponsive

Try restarting the watch by holding down the power button. If the issue persists, perform a factory reset via the watch's system settings (note: this will erase all data on the watch).

Pros and Cons

Pros

  • Exceptional GPS accuracy, even in challenging environments.
  • Industry-leading battery life for long expeditions and races.
  • Durable yet lightweight construction with premium materials.
  • Clear and visible display in all lighting conditions.
  • Integrated mapping for easy navigation.
  • Advanced training and recovery insights.

Cons

  • May be overly complex for casual users without demanding needs.
  • Microphone and speaker functionality details not extensively detailed for general consumer use.
  • Focus on advanced metrics might require a steeper learning curve.
  • Limited to a 42mm size, which may not suit all wrist sizes.
  • Specific mapping detail level needs to be considered for user expectations.

Setup, Compatibility & Care

Initial Setup: To set up your APEX 4, download the COROS app on your smartphone. Ensure Bluetooth is enabled on your phone and follow the on-screen prompts to pair your watch. You will be guided through setting up your user profile, including personal metrics, and syncing your watch to your account.

Compatibility: The COROS APEX 4 is compatible with iOS and Android smartphones. Data can be synced to popular third-party platforms like Strava, TrainingPeaks, and more via the COROS app.

Care Instructions:

  • Cleaning: Gently clean the watch case and band with a soft, damp cloth. Avoid harsh chemicals or abrasive materials. For the sapphire glass, a microfiber cloth is recommended.
  • Charging: Use the provided charging cable. Ensure the charging contacts on the watch and the cable are clean and dry before connecting.
  • Water Resistance: The APEX 4 is designed for water activities. Rinse with fresh water after exposure to salt water or chlorine and dry thoroughly.
  • Storage: Store in a cool, dry place when not in use for extended periods. Avoid extreme temperatures.