Wear Radar

Apple WatchvsXiaomi Smart Band 9

Apple Watch
Buy/Wait:neutral

Reaching maturity, next model expected soon

Best for: iPhone users who want the most capable smartwatch health experience available. Ideal for anyone who values medical-grade monitoring (ECG, blood pressure, SpO2), a premium always-on display, and the best Apple Watch workout tracking. If health is your priority, this is the one to get.

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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 WatchXiaomi Smart Band 9
TierSmartwatchFitness Tracker
PlatformiOS onlyiOS & Android
Battery1 days14 days
Always-on display
GPS
Cellular
Health sensorsecg, spo2, skin temp, hrv, blood pressurehr, spo2, stress, sleep
ReleasedSep 19, 2025Jul 22, 2024
Cycle length364 days365 days
Cycle adviceneutralbad
Deals adviceneutralgood
Next modelApple Watch Series 12 (Expected fall 2026)

Why buy each?

Apple Watch

Hypertension detection

The Series 11 is the first mainstream smartwatch to offer FDA-cleared hypertension (high blood pressure) detection — a feature that could flag silent health risks.

Thinnest Apple Watch ever

At 9.7mm, the Series 11 is significantly slimmer than previous models — noticeably lighter on the wrist for all-day and sleep tracking.

ECG, SpO2 and sleep apnea detection

On-demand ECG, continuous blood oxygen monitoring, and sleep apnea detection (FDA-cleared) make this one of the most medically relevant consumer wearables available.

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.