Overdue for a refresh — no successor announced yet. Prices should be at their lowest
Best for: Budget-conscious users who want more features than a basic step counter — SpO2, stress, sleep analysis, and workout tracking — without paying for a full smartwatch. Works with both iPhone and Android.
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 Band 7 | Polar Vantage V | |
|---|---|---|
| Tier | Fitness Tracker | Sports GPS |
| Platform | iOS & Android | iOS & Android |
| Battery | 18 days | 8 days |
| Always-on display | ❌ | ✅ |
| GPS | ❌ | ✅ |
| Cellular | ❌ | ❌ |
| Health sensors | hr, spo2, stress, sleep | ecg, hr, spo2, hrv, running power, skin temp |
| Released | Sep 22, 2022 | Oct 4, 2023 |
| Cycle length | 699 days | 1063 days |
| Cycle advice | bad | bad |
| Deals advice | good | good |
| Next model | — | Polar Vantage V4 (2026) |
18 days of typical use with health monitoring — nearly 3 weeks without charging, far beyond any smartwatch competitor.
Ask Alexa for weather, timers, reminders, and smart home controls directly from your wrist — unusual for a sub-$50 fitness band.
Amazfit's Personal Activity Intelligence score aggregates your daily activity into a single 0–100 health index, guiding you toward optimal activity levels.
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.