| COROS Apex | Xiaomi Smart Band 10 | |
|---|---|---|
| Pricing | ||
| Starting price | $429 | $50★ |
| Subscription | ✓ None | ✓ None |
| Hardware | ||
| Weight | 40g | 16g★ |
| Water resistance | 5ATM | 5ATM |
| Battery | 24 days★ | 21 days |
| Always-on display | ❌ | ✅★ |
| GPS | ✅★ | ❌ |
| Cellular | ❌ | ❌ |
| Platform | iOS & Android | iOS & Android |
| Tier | Sports GPS | Fitness Tracker |
| Buy timing | ||
| Released | Oct 15, 2025 | Jun 30, 2025 |
| Cycle advice | good★ | bad |
| Deals advice | neutral | good★ |
| Next model | — | — |
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 Smart Band 10's 1.72" display peaks at 1500 nits — 200 nits brighter than the Band 9 — making it more readable in sunlight, all for around $40.
Continuous heart rate, SpO2, stress, and sleep tracking — all running for 3 weeks before charging. Seven more days than the already impressive Band 9.
Full functionality on both platforms via the Mi Fitness app, including notifications, sleep analysis, and health trends. Bluetooth 5.4 for improved connection stability.
The right pick depends on what you optimize for.
$50 vs $429 over 3 years · no required subscription.
24 days vs 21 days battery.
5 sensors.
16g · no required subscription.
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 →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 who want the world's top-selling fitness band.
Full details →