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|Related topics=HRV (Heart Rate Variability)

|Related topics=HRV (Heart Rate Variability)

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The Oura Ring is a wearable that is worn on a finger as a ring which tracks [[sleep]], [[activity]] and [[readiness]]. Since 2013 there have been three different versions of the ring, with the latest version (v3) being launched in November 2021. At the same time they changed their business model, requiring a monthly subscription for access to all metrics recorded.

The Oura Ring is a wearable that is worn on a finger as a ring which tracks [[sleep]], [[activity]] and [[readiness]]. Since 2013 there have been three different versions of the ring, with the latest version (v3) being launched in November 2021. At the same time they changed their business model, requiring a monthly subscription for access to all metrics recorded.

While the sensor set of the rings have changed over the versions, generally they contain an [[accelerometer]], a [[temperature sensor]] as well as an optical [[heart rate sensor]]. From these sensors the Oura calculates the following metrics:  

While the sensor set of the rings have changed over the versions, generally they contain an [[accelerometer]], a [[Temperature Tracking|temperature sensor]] as well as an optical [[heart rate sensor]]. From these sensors the Oura calculates the following metrics:  

=== Differences between models ===

===Differences between models===

=== Metrics provided ===

=== Metrics provided===

* Heart rate related: Resting Heart Rate, [[HRV (Heart Rate Variability)|Heart Rate Variability,]] Respiratory Rate

*Heart rate related: Resting Heart Rate, [[HRV (Heart Rate Variability)|Heart Rate Variability,]] Respiratory Rate

* Body Temperature (relative changes, not absolute)

*Body Temperature (relative changes, not absolute)

* Sleep (total sleep, sleep phases throughout the night)

*Sleep (total sleep, sleep phases throughout the night)

* Activity (calorie burn, steps, walking distance 'equivalent')

* Activity (calorie burn, steps, walking distance 'equivalent')

=== Exporting data ===

===Exporting data ===

As for most wearables, there is unfortunately no (easy) way to access all raw data from the device. But Oura offers a way to [https://cloud.ouraring.com/profile download at least all of your calculated metrics from the ''Oura Cloud'' web interface]. Beyond this, they also offer an API to automate access to Oura data in third party tools. An example implementation is the [https://oura.openhumans.org/ ''Oura'' integration into Open Humans], which automatically fetches the latest data at multiple times throughout the day.

As for most wearables, there is unfortunately no (easy) way to access all raw data from the device. But Oura offers a way to [https://cloud.ouraring.com/profile download at least all of your calculated metrics from the ''Oura Cloud'' web interface]. Beyond this, they also offer an API to automate access to Oura data in third party tools. An example implementation is the [https://oura.openhumans.org/ ''Oura'' integration into Open Humans], which automatically fetches the latest data at multiple times throughout the day.