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.





246+ iOS apps curated and reviewed
Looking for free r90 sleep assistant apps? 20 of our 246+ 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 | Nov 2026 | ||
| 2 | Free | 4.5★ (181K) | No | No | Nov 2026 | ||
| 3 | Free | 4.3★ (9.8K) | No | Yes | Nov 2026 | ||
| 4 | Free | 4.7★ (109K) | No | No | Nov 2026 | ||
| 5 | Free | 4.3★ (22K) | Yes | Yes | Nov 2026 | ||
| 6 | Free | 2.0★ (1) | No | No | Oct 2026 | ||
| 7 | Free | 4.7★ (5.4K) | Yes | Yes | Nov 2026 | ||
| 8 | Free | 4.4★ (134) | No | Yes | Nov 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.






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.






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.