Flo Review (2026)
Massive user base, complicated history with reproductive data.
6.4 / 10
Flo is the largest cycle tracker by users. The history of data-sharing issues drops it down our list. For most users in 2026, Euki, Drip, or even Clue are better choices.
The good and the bad
What we love
- Feature breadth
- Active development
What we don't
- FTC settlement (2021) over data sharing with Facebook/Google
- Cloud-based
Pricing & plans
Free
$0
Basic tracking with ads
Premium
$39.99/year
Full content, advanced predictions
Recommendations
Use Flo if you…
- Don't prioritize privacy
Skip Flo if you…
- Privacy-conscious users
Best alternatives to Flo
Frequently asked questions
Has Flo had privacy issues?
Yes — the FTC settled with Flo in 2021 over allegations of sharing user data with third parties including Facebook and Google. Flo has since updated its practices, but the history is worth knowing.