Skip to content
vsMars
Head-to-head

Coros - Apex 2 vs Suunto - Ocean

Last updated · How Mars Score works
Apex 2COROSRENDER
Probe A
Coros
Apex 2
47.2/ 100D
GPS & Sensors· 40%
Battery47· 40%
Design· 20%
OceanSUUNTORENDER
Probe B
Suunto
Ocean
41.3/ 100D
GPS & Sensors· 40%
Battery41· 40%
Design· 20%
Quick verdict

Between the Apex 2 and Ocean, the Apex 2 comes out ahead in smartwatch mode and gps mode, while the Ocean wins on multi-band gps. Overall, the Apex 2 scores 47.2 and the Ocean scores 41.3 on our Mars Score.

Buying advice

Which should you buy?

The Apex 2 edges ahead on the Mars Score (47.2 vs 41.3), but the 5.9-point gap is small enough that the right pick comes down to which spec advantages matter to you.

Pick the Apex 2 if you care most about smartwatch mode and gps mode. The biggest gaps in its favor are smartwatch mode, gps mode.

Pick the Ocean if you care most about multi-band gps. Its strongest claims are multi-band gps.

Both ship with comparable solar charging, ecg, so those specs don't separate the two — focus on the differences below.

Bottom line: the Apex 2 is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.

Why Coros - Apex 2 wins

  • Smartwatch mode — 70.00% more. 17 days vs 10 days.
  • GPS mode — 50.00% more. 45 h vs 30 h.

Why Suunto - Ocean wins

  • Has Multi-band GPS.
Full readout

Spec comparison

GPS & Sensors

SpecCoros - Apex 2Suunto - Ocean
Multi-band GPSfalsetruelead
Barometric altimetertruetrue
Heart ratetruetrue
ECGfalsefalse
Pulse Oxtruetrue

Battery

SpecCoros - Apex 2Suunto - Ocean
Smartwatch mode17 dayslead10 days
GPS mode45 hlead30 h
Solar chargingfalsefalse

Design

SpecCoros - Apex 2Suunto - Ocean
Case size43 mm49 mmlead
Weight53 glead78 g
Water resistance5 ATM30 ATMlead
Reader questions

Frequently asked

Drill down

Spec-level deep dives

By manufacturer

More from the same brands

vsMars is reader-supported. When you buy through links on our site, we may earn an affiliate commission at no extra cost to you. Learn more.