Coros · Smartwatch
Coros Apex 4
The current COROS mountain watch: mapping, dual-band GPS, and long battery.
$429Coros →
Key specs
- Battery life
- 24 days
- GPS tracking
- 53 hr
- Charging
- 2 hr
- Weight
- 51g with band
- Case size
- 46mm
- Display
- MIP (transflective), always-on
- Water resistance
- 5 ATM (50m)
- Phone
- Not required
- Sensors
- Optical heart rate, ECG, SpO₂, Accelerometer, Gyroscope, Barometer, Compass, GPS, Altimeter, Microphone
The Apex 4 updates COROS’s mountain-focused line with faster mapping, dual-frequency GPS, a premium build, and multi-week battery life. It is the current Apex choice for trail runners and climbers who want maps without moving up to the Vertix case size.
Strengths
- Current Apex-series hardware
- Dual-band GPS with offline maps
- No subscription for training analytics
Tradeoffs
- No contactless pay
- MIP screen instead of AMOLED
- Smaller app ecosystem than Garmin
Full specs
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Common questions
- How much does the Coros Apex 4 cost?
- The Coros Apex 4 starts at $429, with larger sizes and premium finishes costing more.
- Does the Coros Apex 4 require a subscription?
- No. The Coros Apex 4 has no subscription — you pay for the hardware once and the Coros app is included.
- How long does the Coros Apex 4 battery last?
- About 24 days of typical use per charge. Heavy GPS use, an always-on display, and continuous sensing all pull that number down.
- How much does the Coros Apex 4 weigh?
- The 46 mm Coros Apex 4 weighs 51 g with its band.
- How big is the Coros Apex 4?
- The Coros Apex 4 has a 46 mm case in the configuration we list, which weighs 51 g with its band.
- Is the Coros Apex 4 waterproof?
- The Coros Apex 4 is rated 5 ATM (50m), which covers showering, swimming, and surface water sports. It is not a dive rating.
- Do you need a phone to use the Coros Apex 4?
- No. The Coros Apex 4 records, stores, and shows your data on the device itself — a phone is for syncing and review, not for tracking.
- When was the Coros Apex 4 released?
- Coros released the Coros Apex 4 in 2025, and it is still in the current lineup.