Ultrahuman has introduced an update to its Emerald app, which includes the UltraSphere decision engine. This update is intended for users of the company's ring.

Further details about the update and its features are available from the source. The introduction of the UltraSphere decision engine is a notable addition to the Emerald app.

The update's specifics and potential benefits for ring users can be found through additional information from the source, providing a more comprehensive understanding of the changes and improvements made to the Emerald app.