If you’re obsessed with tracking your health you likely own a smart ring or a smartwatch. For exercise, smartwatches win thanks to extensive app support, while smart rings excel at sleep monitoring because they’re lightweight and comfortable. Both have pros and cons—smartwatches need frequent charging, rings don’t.

You don’t have to choose one. For 24/7 monitoring, buying both a smartwatch and a smart ring is ideal: the watch handles active fitness tracking, the ring provides reliable sleep data. Most users get by with a single device. Smartwatches offer accurate heart‑rate readings, custom exercise routines, calls, music, and app access when paired with a phone. Smart rings are more comfortable to wear all night, can track skin temperature and stress, and are perfect for sleep‑focused users.

Top picks: the Fitbit Charge 6 leads overall fitness tracking with ECG, skin temperature, stress, and sleep metrics. For watches, the Apple Watch Series 11 delivers over 24‑hour battery life, a 37.8‑gram lightweight design, and a Sleep Score. Android fans can consider the Pixel Watch 4 or the Garmin Forerunner 165 (11‑day battery). For rings, the Samsung Galaxy Ring offers detailed sleep data (though pricey), while the Oura Ring 4 is a budget option that requires a subscription for core features.

Choose a smartwatch for exercise, a ring for sleep, or both for full coverage.