Wear Radar

Xiaomi Smart Band 9vsApple Watch Ultra

Xiaomi Smart Band 9
Buy/Wait:bad

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

Best for: Anyone who wants basic health tracking — steps, sleep, heart rate, SpO2 — without spending more than $40 or carrying a bulky watch. Works with both iPhone and Android. A popular choice for kids, older adults, and budget-conscious fitness beginners.

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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.

Full details →
Xiaomi Smart Band 9Apple Watch Ultra
TierFitness TrackerSports GPS
PlatformiOS & AndroidiOS only
Battery14 days1.75 days
Always-on display
GPS
Cellular
Health sensorshr, spo2, stress, sleepecg, spo2, skin temp, hrv, blood pressure
ReleasedJul 22, 2024Sep 19, 2025
Cycle length365 days727 days
Cycle advicebadgood
Deals advicegoodneutral
Next modelApple Watch Ultra 4 (Expected fall 2026)

Why buy each?

Xiaomi Smart Band 9

AMOLED always-on at under $40

Most fitness trackers at this price use basic LCD displays. The Smart Band 9 brings a vivid AMOLED always-on screen — rare at this price point.

14-day battery with health monitoring

Continuous heart rate, SpO2, stress, and sleep tracking — all running for 2 weeks before charging. Most smartwatches last 1–2 days.

Works with iPhone and Android

Full functionality on both platforms via the Mi Fitness app, including notifications, sleep analysis, and health trends.

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).