The ultimate mountain sports watch built for training, racing, and beating your personal best.

• 65hrs of GPS battery (46mm) or 41hrs (42mm), enough to get you through your longest days.
• Our most powerful mapping with free Global Maps, street and trail names, turn-by-turn navigation, and POI's
• Precision dual-frequency GPS with vertical algorithms built for alpine terrain and sheer walls.
• 1.3 inch Memory-in-Pixel touch screen (46mm) or 1.2 inch (42mm), with sharp contrast and easy readability in sun, snow, or shadows.
• A titanium bezel and sapphire glass deliver a lightweight feel with alpine-grade durability.
• Built-in speaker and mic for pace alerts, Voice Pins, and hands-free calls.
• Track and manage your recovery, HRV, sleep, SpO2, and training load for a 360 degree view of your training.
• Study every step of your training and racing with 3D Flyovers and Adventure Journaling.

Alpine-Grade Engineering
Lightweight Titanium. Reinforced Lugs. Touchscreen Sapphire Display.

More Detailed Maps
Global maps with trail and street names, POI's, plus turn-by-turn.

Battery Life
42mm - 41 hrs
46mm - 65 hrs

3D Activity Flyover
Study every step

Accurate Data, All The Time
Dual-frequency GPS
Dual-range barometre
Vertical GPS algorithm

30x
Faster map and graphic rendering speed

COROS App: Where Your Journey Begins
Plan and track while reliving every memory, stat and summit in one place

Speaker + Microphone
Receive audio alerts during activities, record voice pins and take hands-free calls.

Environments & Weather
View real-time weather, air pressure, wind and more

Memory-In-Pixel Advantage
An always-on MIP display is easy to read in sun, snow or shadows

FAQ

How fast does APEX 4 charge?
0 to 100% in under 2 hours.

Can I use it while charging?
Yes. Continue recording activities while the watch charges.

Does it support dual-frequency GPS?
Absolutely. Our latest chipset is designed for tough GPS conditions.

Can I upload routes?
Yes. Use GPX files or sync from Strava, Komoot, and more.

Is APEX 4 waterproof?
WR50 certified.

Does it offer training insights?
Yes. Including VO2 Max, FTP, Training Load, Recovery, and more.

Can I use it for strength workouts?
Yes. Create and follow workouts with on-watch guidance.

Does it sync with Apple Health / Strava / Google Fit?
Yes to all.

Does it support external sensors?
Yes. BLE for HRM, cycling power, and more.

Does it have music or payments?
Payment is not supported. Offline MP3 music is available directly from your watch.

How often are updates released?
3–4 free firmware updates per year.