First-generation product — no release history to base predictions on
Best for: Android and iPhone users who want smartwatch health features (ECG, body composition, AI coaching) and a premium display at a price well below Apple Watch or Galaxy Watch. A strong pick if multi-day battery is a priority alongside health monitoring.
Full details →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 →| Amazfit Balance | Apple Watch Ultra | |
|---|---|---|
| Tier | Smartwatch | Sports GPS |
| Platform | iOS & Android | iOS only |
| Battery | 14 days | 1.75 days |
| Always-on display | ✅ | ✅ |
| GPS | ✅ | ✅ |
| Cellular | ❌ | ✅ |
| Health sensors | ecg, spo2, hrv, hr, body comp, stress | ecg, spo2, skin temp, hrv, blood pressure |
| Released | Nov 1, 2023 | Sep 19, 2025 |
| Cycle length | null days | 727 days |
| Cycle advice | neutral | good |
| Deals advice | neutral | neutral |
| Next model | — | Apple Watch Ultra 4 (Expected fall 2026) |
Rare combination: a bright always-on AMOLED display and 14 days of typical use without charging.
Medical-grade ECG and bioelectrical impedance body fat analysis — features usually found only on watches costing $100–$200 more.
Zepp Coach uses Amazfit's AI to build personalised workout plans, recovery recommendations, and stress management guidance.
The Ultra 3 nearly doubles the Series 11 battery life, and satellite emergency SOS works even without cellular or WiFi coverage.
More precise GPS tracking in urban canyons and dense forests — critical for trail running, mountaineering, and triathlon.
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).