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 4.1★ across 250+ titles — we've ranked them by what real users actually keep on their phones. Updated October 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 | Free | 4.6★ (28) | No | No | Oct 2026 | ||
| 2 | Free | 3.9★ (33) | No | No | Oct 2026 | ||
| 3 | Free | 4.7★ (6.1K) | No | Yes | Oct 2026 | ||
| 4 | Free | 4.7★ (3.7K) | No | Yes | Oct 2026 | ||
| 5 | Free | — | No | Yes | Aug 2026 | ||
| 6 | Free | — | — | No | Oct 2026 | ||
| 7 | Free | — | No | No | Oct 2026 | ||
| 8 | Free | — | No | Yes | Sep 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.






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.