Vitamin D Sun Tracker - Bask

Greycloud LLC · Health & Fitness

4.7 16 ratings Free

Chart standing · US

Not currently charting in this storefront.

What changed · US

Listing changes AppTracker has observed for this app in this storefront — new versions, price moves, rating shifts, and store copy.

Aug 26, 2026
Rating ★ 4.89 → 4.69

Price & rating history · US

Reconstructed from the listing changes AppTracker has observed in this storefront, so each line starts at the first change on record.

Average rating history over the observed period. 4.7 4.8 4.9 Aug 26 15:40 Aug 27 05:42 Aug 27 19:44 Aug 28 09:46 Aug 28 23:48

Average rating

Ratings breakdown · US

The star breakdown behind this app's rating in this storefront.

5★ 81% 13
4★ 6% 1
3★ 13% 2
2★ 0% 0
1★ 0% 0

Screenshots

About

Vitamin D is the easiest deficiency to fix, but the hardest to track. Bask estimates the Vitamin D you get from sun exposure and supplements, so you can stop guessing and start hitting your goal. Bask is a sun tracker and sun timer that reads the sky, live UV Index, weather, your skin, and what you're wearing to tell you the best time to step outside and exactly how long to stay. SUN SESSIONS + SUN SAFETY - Real-time Vitamin D estimates from our live UV Index, UV tracker, weather, and our sun tracker algorithm - Built-in sun timer with time-to-sunburn guidance so you never overdo it - Time-to-sunburn timer can assist you during your tanning sessions. - Live Activities keep your session on the Lock Screen (iOS 16.1+) FIND YOUR BEST SUN WINDOWS - 48-hour UV forecast of your optimal exposure times with our sun tracker - Get alerts right before your best Vitamin D window opens SUPPLEMENTS + COFACTORS - Quick-log common vitamin D doses in a tap with our vitamin tracker - Track magnesium & vitamin K2 with bite-size education cards HISTORY, STREAKS & INSIGHTS - A clean timeline of every sun exposure session and supplementation. - Track Vitamin D labs to see the impact of your sun exposure and supplement habits. - 7 / 30 / 90-day trends to watch your Vitamin D levels climb PRIVATE BY DESIGN - Your data stays on your device - Optional Apple Health integration - Optional opt-in leaderboard Bask is for educational and wellness tracking only and does not provide medical advice. https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

What's new · 2.6

Bug fixes and performance improvements

Details

DeveloperGreycloud LLC
ReleasedFeb 2026
UpdatedJul 2026
Version2.6
Size44.2 MB
RequiresiOS 16.0 or later
Age rating17+
LanguagesEnglish
PriceFree
Categories Health & FitnessLifestyle
Bundle IDio.bask