Wear Radar

Apple Watch UltravsCOROS Apex

Apple Watch Ultra
Buy/Wait:good

Early in release cycle

Best for: Serious athletes, trail runners, triathletes, and outdoor adventurers who need the most durable, most accurate GPS watch Apple makes. Also for iPhone users who simply want the best Apple Watch regardless of sport, and value the extra battery life over the Series 11.

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COROS Apex
Buy/Wait:bad

Overdue for a refresh — no successor announced yet. Prices should be at their lowest

Best for: Trail runners, ultramarathon athletes, and multisport competitors who want full maps and long GPS battery without paying $900 for the Vertix. A strong alternative to Garmin Forerunner 965 for users who prioritise battery over display quality.

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Apple Watch UltraCOROS Apex
TierSports GPSSports GPS
PlatformiOS onlyiOS & Android
Battery1.75 days45 days
Always-on display
GPS
Cellular
Health sensorsecg, spo2, skin temp, hrv, blood pressurehr, spo2, hrv, training load, skin temp
ReleasedSep 19, 2025Sep 14, 2022
Cycle length727 days1047 days
Cycle advicegoodbad
Deals adviceneutralgood
Next modelApple Watch Ultra 4 (Expected fall 2026)

Why buy each?

Apple Watch Ultra

42-hour battery + satellite SOS

The Ultra 3 nearly doubles the Series 11 battery life, and satellite emergency SOS works even without cellular or WiFi coverage.

Dual-frequency L1+L5 GPS

More precise GPS tracking in urban canyons and dense forests — critical for trail running, mountaineering, and triathlon.

3000-nit titanium-cased powerhouse

The 49mm titanium case and 3000-nit display make this watch usable in full direct sunlight and water depths up to 100m (EN13319 certified for diving).

COROS Apex

75 hours GPS, 45 days typical

Enough for 3-day mountain stages without charging — a critical advantage for ultra-distance racing.

Full topographic maps

Breadcrumb + full TopoActive-style maps for turn-by-turn navigation on trails, mountains, and roads.

Titanium case and sapphire glass

Lightweight yet scratch-resistant materials that hold up better than most competitor watches at this price.