250+ iOS apps curated and reviewed
Finding the right free sleep calculator apps can be overwhelming with so many options. We've analyzed 250+ apps to bring you the best choices for 2026, from free options to premium solutions with advanced features.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 5.0★ (75) | No | No | Aug 2026 | |
| 2 |  | Free | 4.8★ (31) | No | No | Sep 2026 | |
| 3 |  | Free | 4.7★ (29K) | No | Yes | Sep 2026 | |
| 4 |  | Free | 3.7★ (22) | No | No | May 2026 | |
| 5 |  | Free | 4.7★ (19) | No | No | Aug 2026 | |
| 6 |  | Free | — | No | No | May 2026 | |
| 7 |  | Free | 4.7★ (69K) | Yes | Yes | Sep 2026 | |
| 8 |  | Free | — | Yes | No | May 2026 |
This app helps you determine the optimal times to go to sleep and wake up to align with your natural 90-minute sleep cycles. It calculates ideal bedtime based on your desired wake-up time and vice-versa, promoting a more rested feeling upon waking. It also includes features for tracking sleep phases and a smart alarm to wake you gently.
This utility helps you determine the ideal times to sleep or wake up by calculating based on natural 90-minute sleep cycles. It aims to help users feel more refreshed and energized by waking them between these cycles.
This app uses sound analysis to track sleep patterns, identify potential issues, and build healthier sleep routines. It features an AI sleep coach, a smart alarm to wake you gently, and tools to record snoring and sleep talking.
