Vitamin D Sun Tracker - Bask
Greycloud LLC Health & Fitness iPhoneiPadiPod touch
Vitamin D Sun Tracker - Bask is a free Health & Fitness app for iPhone and iPad by Greycloud LLC. Rated 4.7/5 from 24 ratings. Requires iOS 16.0.
- Rating
- 4.7
- 24 ratings
- Price
- Free
- on the App Store
- Size
- 42 MB
- Age 17+
- Updated
- Jul 9
- 2026 · v2.6
Screenshots
About Vitamin D Sun Tracker - Bask
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/
Ratings & reviews
4.7
24 ratings
What’s new
Version 2.6 · Updated July 9, 2026
Bug fixes and performance improvements
App privacy
The developer, Greycloud LLC, reported these privacy practices to Apple.
Data Linked to You
The following data, which may be collected and linked to your identity, may be used for the following purposes:
- Identifiers: User ID
Used for: App Functionality
Data Not Linked to You
The following data, which may be collected but is not linked to your identity, may be used for the following purposes:
- Usage Data: Product Interaction
- Diagnostics: Crash Data, Performance Data
- Location: Precise Location
Used for: Analytics, App Functionality
Alternatives to Vitamin D Sun Tracker - Bask
Looking for apps like Vitamin D Sun Tracker - Bask? Here are 6 similar apps on the App Store. The highest rated is Hello Sun - Vitamin D Tracker (5.0/5), and all 6 are free to download.
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Rays: Auto Vitamin D Tracking
4.4
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Hello Sun - Vitamin D Tracker
5.0
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Vitamind: Sun Tracker
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SunMax: Vitamin D Tracker
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Sunned: Vitamin D & Sun Timer
3.7
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SunDay: Vitamin D & UV Tracker
3.9
| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| Vitamin D Sun Tracker - Bask | 4.7 / 5 (24 ratings) | Free | July 9, 2026 | |
| Rays: Auto Vitamin D Tracking | 4.4 / 5 (7) | Free | Aug 28, 2026 | Compare |
| Hello Sun - Vitamin D Tracker | 5.0 / 5 (1) | Free | Jan 27, 2026 | Compare |
| Vitamind: Sun Tracker | – | Free | Apr 8, 2026 | Compare |
| SunMax: Vitamin D Tracker | – | Free | Aug 28, 2026 | Compare |
| Sunned: Vitamin D & Sun Timer | 3.7 / 5 (3) | Free | Sep 17, 2026 | Compare |
| SunDay: Vitamin D & UV Tracker | 3.9 / 5 (33) | Free | May 27, 2025 | Compare |