Calm vs Flo Period Tracker
Side-by-side comparison to help you choose
| Feature | Calm | Flo Period Tracker |
|---|---|---|
| Our Rating | 4.5 | 4.5 |
| App Store | 4.8 | |
| Google Play | 4.5 | 4.7 |
| Price | Free | Free |
| Downloads | 50M+ | 100M+ |
| Size | 178 MB | |
| In-App Purchases | ||
| Requires Internet | ||
| Age Rating | Everyone | Everyone |
| Developer | Calm.com, Inc. | Flo Health Inc. |
Choose Calm if...
Calm is worth the investment for chronic insomniacs or those committed to daily meditation who need structured guidance, but budget-conscious users should skip it entirely—free alternatives like Insight Timer offer more functionality without the aggressive monetization and billing risks.
Choose Flo Period Tracker if...
Flo Period Tracker remains a decent app for basic period tracking, especially for those willing to pay for premium features and detailed insights. However, users seeking a simple, ad-free experience without constant upgrade prompts might prefer a less aggressive period tracker.