Reviewers Liked

  • Intuitive interface
  • Bright and sharp display
  • Built-in GPS and NFC
  • Measures blood oxygen level
  • Detailed sleep tracking
  • 6-day battery life
  • Features an ECG app
  • Charger and watch bands are vastly improved
  • A ton of granular metrics, including SpO2, heart rate variability, breath rate, skin temp, and EDA

Reviewers Didn't Like

  • Some things just don't feel as fully integrated as they could be
  • Battery life is cut in half if you turn the display to always-on mode
  • Buttonless design requires learning
  • Band release latch can be accidentally triggered
  • Choppy performance
  • Fitbit app is riddled with bugs
  • Forces you into selecting a certain watchface for SpO2 measurements
  • You need Fitbit Premium to maximise it