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 →Late in cycle — a new model is likely coming
Best for: Serious endurance athletes — particularly runners and triathletes — who want Polar's unmatched training load science and recovery guidance, combined with ECG health monitoring and running power in a premium package.
Full details →| Amazfit Balance | Polar Vantage V | |
|---|---|---|
| Tier | Smartwatch | Sports GPS |
| Platform | iOS & Android | iOS & Android |
| Battery | 14 days | 8 days |
| Always-on display | ✅ | ✅ |
| GPS | ✅ | ✅ |
| Cellular | ❌ | ❌ |
| Health sensors | ecg, spo2, hrv, hr, body comp, stress | ecg, hr, spo2, hrv, running power, skin temp |
| Released | Nov 1, 2023 | Oct 4, 2023 |
| Cycle length | null days | 1063 days |
| Cycle advice | neutral | bad |
| Deals advice | neutral | good |
| Next model | — | Polar Vantage V4 (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.
Polar Vantage V3 is one of the few sports GPS watches with on-demand ECG — usually only found on lifestyle smartwatches.
Running power measurement without a foot pod or chest strap — a significant training metric for pacing effort on hills and varied terrain.
The most detailed training load analysis in any sports watch: muscle groups targeted per session, recovery status per muscle, and long-term load trends.