Between the Apex 2 Pro and Ocean, the Apex 2 Pro comes out ahead in smartwatch mode and gps mode, while the Ocean wins on several specs. Overall, the Apex 2 Pro scores 57.2 and the Ocean scores 41.3 on our Mars Score.
Which should you buy?
The Apex 2 Pro is the clear pick on raw spec strength, leading by 15.9 points on the Mars Score. The margin is wide enough that the underdog only makes sense if its individual strengths line up with what you specifically need.
Pick the Apex 2 Pro if you care most about smartwatch mode and gps mode. The biggest gaps in its favor are smartwatch mode, gps mode.
The Ocean similarly doesn't carry a headline advantage on the popular specs — look at the full table for category-specific deltas.
Both ship with comparable multi-band gps, solar charging, ecg, so those specs don't separate the two — focus on the differences below.
Bottom line: the Apex 2 Pro 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 Pro wins
- ▲Smartwatch mode — 200.00% more. 30 days vs 10 days.
- ▲GPS mode — 150.00% more. 75 h vs 30 h.
Why Suunto - Ocean wins
- No decisive advantages.
Spec comparison
GPS & Sensors
| Spec | Coros - Apex 2 Pro | Suunto - Ocean |
|---|---|---|
| Multi-band GPS | true | true |
| Barometric altimeter | true | true |
| Heart rate | true | true |
| ECG | false | false |
| Pulse Ox | true | true |
Battery
| Spec | Coros - Apex 2 Pro | Suunto - Ocean |
|---|---|---|
| Smartwatch mode | 30 dayslead | 10 days |
| GPS mode | 75 hlead | 30 h |
| Solar charging | false | false |
Design
| Spec | Coros - Apex 2 Pro | Suunto - Ocean |
|---|---|---|
| Case size | 46.1 mm | 49 mmlead |
| Weight | 66 glead | 78 g |
| Water resistanceⓘ | 10 ATM | 30 ATMlead |
Spec-level deep dives
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