A profile holds one person's therapy data: their devices, sessions, charts and analysis. An account can hold several — a couple who both use CPAP, a family, or a clinic's patients. The numbers Every account includes two profiles free. A third or later profile is a paid add-on. The app shows you the extra monthly amount and asks you to confirm before your subscription is revised, and deleting an extra profile reduces the billing again automatically. Why the active profile matters more than anything else Uploads import into whichever profile is active. This is the single most common cause of "my data went to the wrong person". The active profile's name is shown at the top right — check it before you upload, every time. If you get it wrong, cancel the import inside the fifteen-second window rather than untangling it afterwards. Worth filling in when you create one The wizard's CPAP treatment step is optional, but two fields earn their keep: Therapy start date — when you first began PAP therapy on any machine. It is what lets the analysis tell early adaptation apart from a persistent pattern. Untreated AHI, if you know it from your sleep study. Both can be added later by editing the profile. Deleting a profile deletes its data. Permanently, including any stored analysis history for that profile. There is no archive to recover from. Nothing on SomniTalk is medical advice. Talk to your own clinician before changing therapy.