Key user flows and QoE metrics to consider include: • Search: Tracking the performance and effectiveness of users’ search, whether it’s to find a product, flight or content.

Twice A Week: Recover. There are four stages to the flow cycle and the last one, recovery, is often the hardest for people to achieve. In our non-stop lives, we rarely get enough sleep, let alone ...

Additionally, by pressing a button on top of the Reva, the user can keep it at 100% full-time (for one showering session) if desired. It will default back its flow-adjusting mode on its next use.

The startup said that the app has been growing its user base by 50% month-over-month. Kothari noted that 40% of users of the app are in the U.S., 30% in Europe, and 30% in other parts of the world.