Fitness trackers have evolved from simple step counters to sophisticated health monitors that track everything from sleep stages to blood oxygen levels. Whether you’re training for a marathon or just want to move more, there’s a tracker for you.
How We Tested
- Step Accuracy: Compared against manual counting on varied terrain
- Heart Rate: Tested against a Polar H10 chest strap during rest, walking, running, and HIIT
- Sleep Tracking: Compared against subjective sleep journals over 14 nights
- GPS Accuracy: Measured on known-distance outdoor routes
- Battery Life: Real-world testing with all features enabled
- App Experience: Data presentation, actionable insights, community features
Our Top Picks
1. Garmin Venu 3 — Best Overall ($449)
Beautiful 1.4″ AMOLED display, 14-day battery life in smartwatch mode, advanced sleep coach with nap detection, and multi-band GPS accuracy. The Body Battery feature provides actionable energy monitoring throughout the day. The best all-around fitness tracker on the market.
2. Xiaomi Smart Band 9 — Best Budget ($46)
Under $50 gets you accurate step tracking, continuous heart rate monitoring, SpO2, stress tracking, and 14-day battery life. The 1.62″ AMOLED display is bright and responsive. Unbeatable value — it proves great fitness tracking no longer requires spending hundreds.
3. Apple Watch Series 10 — Best for iPhone Users ($399)
The most comprehensive health tracking in a smartwatch. ECG, temperature sensing, crash detection, fall detection, and the best third-party app ecosystem. If you have an iPhone and want a full smartwatch that’s also an excellent fitness tracker, this is it.
What to Look For
- Display: AMOLED is brighter and more colorful. MIP is always-on and better in sunlight.
- Battery Life: Fitness bands last 7-14 days. Full smartwatches need charging every 1-2 days.
- GPS: Built-in GPS is essential for runners. Connected GPS works for casual walkers.
- Health Sensors: Heart rate is standard. SpO2, ECG, and temperature are premium features.
- Water Resistance: 5 ATM for swimming. IP68 for rain/splashes.
Final Verdict
The Garmin Venu 3 offers the best balance of fitness and smartwatch features with incredible battery life. Budget buyers should grab the Xiaomi Smart Band 9. iPhone users wanting a full smartwatch can’t go wrong with the Apple Watch Series 10.