# SunSense UV tracker vs Vitamin D Sun Tracker

The clearest difference is in-app purchases: SunSense UV tracker at none against Vitamin D Sun Tracker's 4. SunSense UV tracker also leads on rating (5.0 vs 4.8) and iOS requirement (13.0 vs 16.0). Vitamin D Sun Tracker's advantage is update cadence (weekly vs every 6 weeks) and ratings volume (30 vs 2). On price, review sentiment, ads and device support there is nothing between them.

Both are free to download. Vitamin D Sun Tracker sells 4 in-app purchases, starting at $4.99 per month. SunSense UV tracker asks for nothing beyond the download.

SunSense UV tracker holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Vitamin D Sun Tracker has 30 ratings behind it against 2, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

SunSense UV tracker ships an update every 6 weeks, Vitamin D Sun Tracker weekly. The most recent releases landed on November 2, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | SunSense UV tracker | Vitamin D Sun Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/sunsense-uv-tracker/id1228142293/reviews)** | [4.8 (30 ratings)](https://appshunter.io/ios/app/vitamin-d-sun-tracker-bask/id6758405235/reviews) |
| Number of ratings | 2 | **30** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Weekly** |
| Monetization | **Free** | Freemium |
| Size | 47 MB | 42 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [SunSense AS](https://appshunter.io/developer/1454665566) | [Greycloud LLC](https://appshunter.io/developer/1767904895) |

## What reviewers say

### SunSense UV tracker

[App page](https://appshunter.io/ios/app/sunsense-uv-tracker/id1228142293)

This app provides personalized UV exposure advice and forecasts to help you determine your skin type and recommended sun protection. It offers a "sun watch" tool for planning outdoor activities and suggests appropriate SPF levels for sunscreen.

**Highlights:** Personal skin type calculation, SPF recommendations, Outdoor activity planning, UV tolerance corrections, Worldwide UV forecast, 7-day weather forecast

**In-app purchases:** none


### Vitamin D Sun Tracker

[App page](https://appshunter.io/ios/app/vitamin-d-sun-tracker-bask/id6758405235)

This app estimates your Vitamin D intake from sun exposure and supplements. It provides real-time UV index, weather, and personalized guidance on optimal sun times and duration to prevent sunburn. Track your progress with historical data and insights.

**Highlights:** Real-time Vitamin D estimates, Live UV Index and weather integration, Personalized sun timer with sunburn guidance, 48-hour UV forecast for optimal exposure, Supplement and cofactor tracking, Historical data and trend analysis, Optional Apple Health integration

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $4.99 | per month |
| Yearly | $24.99 | per year |
| Yearly | $29.99 | per year |
| Lifetime | $79.99 | one-time |


## Frequently asked questions

### Is SunSense UV tracker free?

SunSense UV tracker is free to download, with no in-app purchases.

### Is Vitamin D Sun Tracker free?

Vitamin D Sun Tracker is free to download, with in-app purchases available.

### Which has better reviews, SunSense UV tracker or Vitamin D Sun Tracker?

SunSense UV tracker is rated higher. SunSense UV tracker averages 5.0 out of 5 from 2 ratings, while Vitamin D Sun Tracker averages 4.8 from 30 ratings.

### Do SunSense UV tracker or Vitamin D Sun Tracker have ads?

Neither SunSense UV tracker nor Vitamin D Sun Tracker shows ads.

### Which is updated more often, SunSense UV tracker or Vitamin D Sun Tracker?

SunSense UV tracker ships an update every 6 weeks, and Vitamin D Sun Tracker weekly. Most recently, SunSense UV tracker was updated on November 2, 2026 and Vitamin D Sun Tracker on November 9, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*