# Sundog vs Sun Tracker

The clearest difference is iOS requirement: Sun Tracker at 13.0 against Sundog's 15.1. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Sundog | Sun Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/sundog-sun-exposure-tracker/id6765758203/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Monetization | Free | — |
| Size | 29 MB | 21 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 12+ |
| Developer | [ALAN D NAVARRO LOPEZ](https://appshunter.io/developer/1895892153) | [Olufemi Adedire](https://appshunter.io/developer/1701746573) |

## What reviewers say

### Sundog

[App page](https://appshunter.io/ios/app/sundog-sun-exposure-tracker/id6765758203)

This app provides personalized daily sun exposure schedules based on your skin type, live UV index, and cloud cover. It guides you on optimal times for vitamin D synthesis, circadian rhythm reset, tanning, and sleep optimization, while always keeping your burn limit visible.

**Highlights:** Personalized daily sun schedule, Calibrated to skin type and UV index, Smart timer for exposure duration, Burn limit visibility, Four science-backed sun goals, Daily sun insights and tips, Progress tracker

**Features:** macOS Compatibility

**In-app purchases:** none


### Sun Tracker

[App page](https://appshunter.io/ios/app/sun-tracker-uv-and-vitamin-d/id6770848310)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Sundog free?

Sundog is free to download, with no in-app purchases.

### Is Sun Tracker free?

Sun Tracker is free to download, with no in-app purchases.

### Do Sundog or Sun Tracker have ads?

Neither Sundog nor Sun Tracker shows ads.

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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.*