| Polar Vantage V | COROS Apex | |
|---|---|---|
| Pricing | ||
| Starting price | $599 | $429★ |
| Subscription | ✓ None | ✓ None |
| Hardware | ||
| Weight | 39g★ | 40g |
| Water resistance | 5ATM | 5ATM |
| Battery | 8 days | 24 days★ |
| Always-on display | ✅★ | ❌ |
| GPS | ✅ | ✅ |
| Cellular | ❌ | ❌ |
| Platform | iOS & Android | iOS & Android |
| Tier | Sports GPS | Sports GPS |
| Buy timing | ||
| Released | Oct 4, 2023 | Oct 15, 2025 |
| Cycle advice | bad | good★ |
| Deals advice | good★ | neutral |
| Next model | Polar Vantage V4 (2026) | — |
Polar Vantage V3 is one of the few sports GPS watches with on-demand ECG — usually only found on lifestyle smartwatches.
Running power measurement without a foot pod or chest strap — a significant training metric for pacing effort on hills and varied terrain.
The most detailed training load analysis in any sports watch: muscle groups targeted per session, recovery status per muscle, and long-term load trends.
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 $599 over 3 years · no required subscription.
24 days vs 8 days battery.
6 sensors.
39g · no required subscription.
Serious endurance athletes — particularly runners and triathletes — who want Polar's unmatched training load science and recovery guidance, combined with ECG health monitoring and running power in a premium package.
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 →