Coming soon to iPhone

The fasting app that adapts to your recovery.

Your workout changes your fast. Kairo connects fasting, training, and recovery, so the fast you start today actually fits the body you bring to it.

Fast·Move·Recover

Beta invites + launch news · iPhone only, proudly iOS exclusive · no spam, unsubscribe anytime
KAI · DRAWN ENTIRELY IN CODE

No ads. No data sales. No tracking. The short version: Kairo doesn't collect your data — no accounts, no analytics, no third-party services. Read the full privacy policy →