Garmin

• Pros:
  • Better for exercise tracking.
  • Some users find it on par with Whoop for sleep tracking.
  • App allows exercise tracking.
• Cons:
  • App might not be as refined as Whoop.
  • Mixed reviews in the Garmin sub, with some scathing comments.

Oura Ring

• Pros:
  • Many prefer wearing a ring to bed over a watch.
  • Smaller and cheaper than Whoop.
• Cons:
  • Needs to be taken off to charge.
  • Limited to being worn on a finger.
  • Allegedly not as good as Whoop for exercise tracking.

Apple Watch Ultra

• Pros:
  • No subscription needed.
  • Displays time, notifications, has better sensors.
  • Cheaper than Whoop for certain subscription periods.
• Cons:
  • Limited compatibility with Android.
  • Larger and more expensive than Whoop for some subscription periods.

Muse S

• Pros:
  • Real EEG on the head for sleep tracking.
  • Offers better actionable advice for meditation.
  • Provides sleep-inducing sounds.
• Cons:
  • Requires being worn as a headband.
  • Short battery life and negative reviews about durability.

Morpheus

• Offers Strain recovery cycle, judged differently as it is a chest strap for tracking recovery and strain.
• Not commonly talked about but provides a unique approach to tracking.

Polar H10

• Pros:
  • Better sensors for workout tracking.
• Cons:
  • Less convenient for sleep and uses a disposable battery.

CardioMood

• Pros:
  • Real EEG monitor.
  • Allows exporting raw data.
• Cons:
  • Not waterproof and has wired charging.
• Users suggest unclear impact of better sensors on advice.

Overall, users appreciate Whoop for exercise tracking, Oura Ring for lifestyle tracking, Apple Watch for versatility, and Muse S for EEG sleep tracking, while acknowledging the unique features and drawbacks of each.