This app helps you manage your sleep cycle using the scientifically-backed R90 method. It calculates your optimal sleep schedule based on natural biological rhythms to improve sleep quality by focusing on completing 90-minute cycles.





247+ iOS apps curated and reviewed
Looking for free r90 sleep assistant apps? 20 of our 247+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 | Free | — | No | Yes | Aug 2026 | ||
| 2 | Free | 4.3★ (9.6K) | Yes | Yes | Oct 2026 | ||
| 3 | Free | 4.5★ (169K) | No | No | Oct 2026 | ||
| 4 | Free | 4.7★ (109K) | No | No | Oct 2026 | ||
| 5 | Free | 5.0★ (28) | No | Yes | Sep 2026 | ||
| 6 | Free | 4.3★ (22K) | Yes | Yes | Oct 2026 | ||
| 7 | Free | 4.7★ (5.4K) | Yes | Yes | Sep 2026 | ||
| 8 | Free | 4.5★ (18K) | Yes | Yes | Oct 2026 |





This app helps you manage your sleep cycle using the scientifically-backed R90 method. It calculates your optimal sleep schedule based on natural biological rhythms to improve sleep quality by focusing on completing 90-minute cycles.






Drift off to sleep with a variety of soothing content, including narrated stories, guided meditations, and ambient sounds. Manage stress and anxiety to improve sleep quality and establish a consistent bedtime routine.






This app works with a smart bed to provide personalized sleep and health insights. It tracks biosignals, adjusts bed settings, and offers data to help you understand and improve your sleep quality over time.