Sunned: Vitamin D & Sun Timer
What is Sunned?
Tracks safe sun exposure and estimated vitamin D intake from sunlight based on skin type, UV index and location.
Sunned is a Health & Fitness app that aims to help users get vitamin D from daily sunlight while limiting sunburn and skin damage. It calculates safe exposure in real time using skin type, time, UV index and location, and tracks intake from sunlight and supplements toward a target serum blood level. It also offers sunrise and sunset notifications, circadian alignment, and alerts for when UV is high enough for synthesized D3.
Pricing. Sunned is free to download on the App Store.
Good for
- Checking safe sun exposure time for your skin type
- Tracking vitamin D from sunlight and supplements
- Timing outdoor time around UV index and sunrise or sunset
Screenshots
Why this app is in D tier
D tier follows from that score within this list. The full explanation, as data.
Sunned scores 51 out of 100: rating 59, rating count 45, App Store search rank 0, update recency 100. The four parts are averaged and D tier follows from that score within this list.
Description
Get the optimal amount of Vitamin D from daily sunlight without risking sunburn or skin damage:
- Personalized UV & Burn Clock: Real-time safe exposure calculations based on your skin type, time, UV index, and location.
- Serum Level Trajectory: Track daily intake from sunlight and supplementation toward your target serum blood level.
- Optimal Sun Window: Smart notifications for sunrise and sunset, circadian alignment, and when UV is high enough for synthesized D3.
Compare
Sundog
UV Guard
D Minder Pro
UV Index & Tanning AppTop Sun Exposure Tracking
Recently Updated
Questions about Sunned
Is the app free to install?
It is free to download. In-app purchases: Not stated on the App Store.
Does it account for skin type?
Yes. The Personalized UV and Burn Clock calculates real-time safe exposure based on skin type, time, UV index, and location.
Can it track supplements as well as sunlight?
Yes. Serum Level Trajectory tracks daily intake from sunlight and supplementation toward a target serum blood level.
Is Sunned free?
Sunned is free to download.
Is Sunned right for me?
Sunned is built for checking safe sun exposure time for your skin type, tracking vitamin D from sunlight and supplements, timing outdoor time around UV index and sunrise or sunset. It sits in the sun exposure tracking list on AppTierList.
Is Sunned worth it?
Sunned is D tier, ranked #7 of 8 sun exposure tracking apps with a score of 51 out of 100, from a 3.7 App Store rating across 3 ratings. 6 apps rank above it in the same list.
How does Sunned compare to Sundog?
Sunned is D tier at 51; Sundog is D tier at 57. Sundog ranks higher. Sunned is free to download, Sundog is free to download.
How often is Sunned updated?
Sunned was last updated on 2026-09-17, 48 days ago.
Alternatives
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Categories
All the facts
Ranking
- Lists
- Sun Exposure Tracking (D tier, #7) · Sun Safety (C tier, #5)
- Tier
- D (Weak)
- Score
- 51 / 100
- Rank in list
- #7 of 8
- Ranking certainty
- early: few ratings or search ranks so far
Ratings
- App Store rating
- 3.7 out of 5, every App Store country
- Ratings
- 3
App
- Price
- Free
- App Store category
- Health & Fitness
- Current version
- (48 days ago)
- Size
- 5 MB
- Requires
- iOS 26.0 or later
- Age rating
- 4+
- Languages
- 1
Links
- Maker
- not verified
- As data
- JSON · why it ranks here
- App Store data read
App Store data read · ranking