Local first summaries
Logos reads selected on-device data only after permission and prepares wellness and planning context for you.
AI wellness and planning support
Logos
A personal assistant for daily health summaries, planning context, and cloud AI chats that stay under your control.
Product
Built around permissioned context
Review before cloud AI
Private context is shown before it is sent, and cloud AI can be turned off from the app privacy controls.
Account portability
Sign in with Apple or email, restore Premium access, export local data, and delete account data from settings.
Launch
Available in the United States
Premium is purchased through secure Stripe web checkout. Logos is not a medical device and does not provide diagnosis, emergency support, or clinical monitoring.