Flo Cycle & Period Tracker vs Sleep Machine
Side-by-side comparison on App Store — Updated 2026
| Metric | Flo Cycle & Period Tracker | Sleep Machine |
|---|---|---|
| Developer | FLO HEALTH UK LIMITED | SleepSoft LLC |
| Rating | 4.8★ | 4.7★ |
| Reviews | 1.8M | 2.9K |
| Installs | — | — |
| Price | Free | USD3.99 |
| In-App Purchases | No | No |
| Best Rank | #2 | #34 |
| Content Rating | 12+ | 4+ |
| Last Updated | 2026-03-06 | 2021-02-14 |
Flo Cycle & Period Tracker vs Sleep Machine: Overview
Flo Cycle & Period Tracker and Sleep Machine are both Health & Fitness apps available on the App Store. Flo Cycle & Period Tracker has a 4.8-star rating from 1.8M reviews, while Sleep Machine has 4.7 stars from 2.9K reviews. In terms of rankings, Flo Cycle & Period Tracker reaches #2 and Sleep Machine reaches #34 in the Health & Fitness charts. Flo Cycle & Period Tracker offers 9 in-app purchases, while Sleep Machine offers no in-app purchases.
Frequently Asked Questions
Which is better, Flo Cycle & Period Tracker or Sleep Machine?
Based on user ratings, Flo Cycle & Period Tracker (4.8★) is rated higher than Sleep Machine (4.7★). However, the best choice depends on your specific needs.
Is Flo Cycle & Period Tracker or Sleep Machine more popular?
Flo Cycle & Period Tracker has more reviews (1.8M) compared to Sleep Machine (2.9K), suggesting it is more widely used.
Are Flo Cycle & Period Tracker and Sleep Machine free?
Flo Cycle & Period Tracker is free. Sleep Machine is USD3.99.
What category are Flo Cycle & Period Tracker and Sleep Machine in?
Both apps are in the Health & Fitness category on App Store. See the full Health & Fitness category report.