Monitor your daily vitamin D absorption from sunlight exposure. This straightforward application helps you keep track of your sun-related vitamin D intake.

250+ iOS apps curated and reviewed
The best sun day tracker apps on iPhone average 3.3★ across 250+ titles — we've ranked them by what real users actually keep on their phones. Updated August 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 | Free | 4.6★ (26) | No | No | Aug 2026 | |
| 2 | Free | 3.9★ (33) | No | No | May 2026 | |
| 3 | Free was $1.99 | 4.7★ (3.6K) | No | Yes | Aug 2026 | |
| 4 | Free | — | No | Yes | Aug 2026 | |
| 5 | Free | 1.0★ (1) | No | No | Aug 2026 | |
| 6 | Free | 1.0★ (1) | No | Yes | May 2026 | |
| 7 | Free | — | No | Yes | Jun 2026 | |
| 8 | Free | — | Yes | No | May 2026 |

Monitor your daily vitamin D absorption from sunlight exposure. This straightforward application helps you keep track of your sun-related vitamin D intake.






This app helps you monitor your daily Vitamin D intake and stay safe in the sun. It features a smart timer to notify you about sunburn risks and allows you to track supplements for detailed health insights.






This app precisely predicts the sun and moon's positions for any time and location. Visualize celestial movements with augmented reality, map overlays, and detailed calendars to plan photography, events, or installations.




This app helps you manage sun exposure and optimize Vitamin D levels. It provides real-time UV index data, integrates with health apps, and sends smart alerts for sun safety.


This app precisely tracks sunrise, sunset, golden hour, and daylight hours. It offers smart alerts, sun position visualization, and weather context to help plan photography, travel, and outdoor activities.






Plan outdoor activities and photography sessions with precise sunrise, sunset, and twilight times. Utilize AR mode and map overlays to find optimal lighting, and set customizable alarms for key solar events. Widgets provide at-a-glance information for seamless integration into your day.





















