Vela vs Flo

Vela stores your cycle data on your iPhone and encrypts anything you sync so that we cannot read it. Flo stores your data on its servers.

Vela Flo
Where your logs live Your iPhone Flo's servers
Account Not required Account by default. Anonymous Mode removes the link to your email.
End-to-end encrypted sync Yes. We cannot read it. No
Regulatory or research findings None FTC order in 2021 over sharing health data with Facebook and Google

Choose Vela if

  • You want your logs to stay on your phone
  • You do not want to create an account
  • You would rather pay once than subscribe

Choose Flo if

  • You need Android today. Vela for Android is coming soon.
  • You want week-by-week pregnancy tracking and a community

Moving over? Vela imports your Flo history.

Download on the App Store

Sources: FTC, June 2021 , Wikipedia: Flo (app) . Checked October 2026.