249+ iOS apps curated and reviewed
Out of 249+ circadian rhythm light meter apps on iOS, 20 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 4.6★ (5) | No | Yes | Oct 2026 | |
| 2 |  | Free | — | No | No | Oct 2026 | |
| 3 |  | Free | 5.0★ (5) | No | No | Oct 2026 | |
| 4 |  | Free | 5.0★ (2) | No | No | Oct 2026 | |
| 5 |  | Free | 5.0★ (1) | No | Yes | Nov 2026 | |
| 6 |  | Free | — | No | No | Nov 2026 | |
| 7 |  | Free | 2.0★ (1) | No | No | Oct 2026 | |
| 8 |  | Free | 5.0★ (1) | No | No | Oct 2026 |
Measure the melanopic content of your light environment to support your body's natural sleep-wake cycle. Get actionable recommendations to improve sleep quality and daytime alertness by understanding how different light sources affect your circadian rhythm.
This app provides a daily "LightScore" based on your exposure to daylight, its consistency, and your pre-bedtime phone use. It offers insights into your light habits and suggests improvements for better well-being.
