COROS APEX 4

Name: COROS APEX 4
Brand: Coros

WatchPremiumreleased 2025

Key specs

Battery

24 d · GPS 65 h46mm: 65h all-systems / 41h most-accurate, 24 days; 42mm: 41h, 15 days

Display

Transflective MIP · always-on

Water resistance

5ATM (swim)

GPS

Multi-band

Weight

64 g

Case size

46mm (also 42mm)

Works with

iOS + Android

Subscription

Not required · COROS appfree

Extras

MusicOffline maps

not confirmed: weight is 46mm silicone-band figure

What it tracks

Heart & vitals

Resting heart rateHigh accuracy

HRVHigh accuracy

Sleep

Sleep durationHigh accuracy

Sleep stagesHigh accuracy

Sleep efficiencytracked

Activity

StepsConsumer

Active minutesConsumer

CaloriesConsumer

WorkoutsHigh accuracy

Distancetracked

Fitness

VO2maxtracked

Training loadtracked

Recovery / readinesstracked

Sources

https://www.dcrainmaker.com/2025/10/coros-apex-4-series-depth-review-comes.html

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