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Home › Devices › Trackers

Smart rings compared

Ranked by what each costs to own for three years, subscription included.

  1. 1

    Amazfit Helio Ring

    Smart ring · battery up to 4 days

    • HRV
    • Sleep stages
    • Blood oxygen
    • Skin temperature
    • Cycle tracking
    3 years
    £149.90
    Price
    £149.90
    Subscription
    Optional
    £149.90View at Amazfit (opens in a new tab)
  2. 2

    Ultrahuman Ring Air

    Smart ring · battery 4 to 6 days

    • HRV
    • Sleep stages
    • Blood oxygen
    • Skin temperature
    • Cycle tracking
    3 years
    £246.75
    Price
    £246.75
    Subscription
    Optional
    £246.75View at Ultrahuman (opens in a new tab)
  3. 3

    Circular Ring 2

    Smart ring · battery 8 days in power mode

    • HRV
    • Sleep stages
    • Blood oxygen
    • Skin temperature
    • ECG
    3 years
    £280
    Price
    £280
    Subscription
    None
    £280View at Circular (opens in a new tab)
  4. 4

    Samsung Galaxy Ring

    Smart ring · battery up to 7 days

    • HRV
    • Sleep stages
    • Skin temperature
    • Cycle tracking
    3 years
    £399
    Price
    £399
    Subscription
    None
    £399View at John Lewis (opens in a new tab)
  5. 5

    Ultrahuman Ring Pro

    Smart ring · battery up to 15 days

    • HRV
    • Sleep stages
    • Skin temperature
    • Cycle tracking
    3 years
    £429
    Price
    £429
    Subscription
    Optional
    £429View at Ultrahuman (opens in a new tab)
  6. 6

    Oura Ring 4

    Smart ring · battery 5 to 8 days

    • HRV
    • Sleep stages
    • Blood oxygen
    • Skin temperature
    • Cycle tracking
    3 years
    £453.97
    Price
    £244
    Subscription
    £69.99 a year
    £244View at John Lewis (opens in a new tab)3 shops compared
  7. 7

    Oura Ring 4 Ceramic

    Smart ring · battery 5 to 8 days

    • HRV
    • Sleep stages
    • Blood oxygen
    • Skin temperature
    • Cycle tracking
    3 years
    £489.27
    Price
    £279.30
    Subscription
    £69.99 a year
    £279.30View at Oura (opens in a new tab)
  8. 8

    Oura Ring 5

    Smart ring · battery 6 to 9 days

    • HRV
    • Sleep stages
    • Blood oxygen
    • Skin temperature
    • Cycle tracking
    3 years
    £608.97
    Price
    £399
    Subscription
    £69.99 a year
    £399View at John Lewis (opens in a new tab)2 shops compared

Readings are not a diagnosis. If you are worried about your health, speak to your GP, pharmacist or NHS 111. How we earn.