This model is no longer sold new. It has been replaced by the Garmin Forerunner 970.
Full details →| Garmin Forerunner 965 | COROS Apex | |
|---|---|---|
| Pricing | ||
| Starting price | $599 | $429★ |
| Subscription | ℹ️ Optional — $70/yr | ✓ None |
| Hardware | ||
| Weight | 53g | 40g★ |
| Water resistance | 5ATM | 5ATM |
| Battery | 23 days | 24 days★ |
| Always-on display | ❌ | ❌ |
| GPS | ✅ | ✅ |
| Cellular | ❌ | ❌ |
| Platform | iOS & Android | iOS & Android |
| Tier | Sports GPS | Sports GPS |
| Buy timing | ||
| Released | Mar 1, 2023 | Oct 15, 2025 |
| Cycle advice | superseded | good |
| Deals advice | clearance | neutral |
| Next model | — | — |
Turn-by-turn navigation on full TopoActive maps — essential for trail running and mountain racing.
Cadence, stride length, vertical oscillation, ground contact time, and running power.
Enough for week-long trail ultras without a charge.
The 46mm Apex 4 delivers 65 hours of GPS tracking and 24 days typical use — enough for multi-day mountain events without charging. The 42mm offers 41h GPS and 15 days.
Global topographic maps with instant rendering, turn-by-turn navigation, POIs, and an underwater depth gauge — the Apex 4 is the first COROS mid-tier with a depth sensor.
Audio alerts, hands-free calling, and voice pin recording — a first for the Apex line, adding practical trail and daily-wear convenience to this mountain sports watch.
The right pick depends on what you optimize for.
$429 vs $809 over 3 years · no required subscription.
24 days vs 23 days battery.
7 sensors.
40g · no required subscription.
Competitive runners, triathletes, and ultramarathon runners who want full maps, running dynamics, and premium build.
Full details →Trail runners, ultramarathon athletes, and multisport competitors who want full offline maps and long GPS battery without paying Vertix 2S prices. The speaker and depth gauge make the Apex 4 more capable than any previous Apex for mixed adventure and triathlon use.
Full details →