# Sunwise vs DeTan

The clearest difference is in-app purchases: Sunwise at none against DeTan's 2. DeTan's advantage is update cadence (every 3 weeks vs every 2 months) and iOS requirement (16.0 vs 18.2). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. DeTan sells 2 in-app purchases, starting at $3.89 per 7 days. Sunwise asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Sunwise against 5.0 for DeTan. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Sunwise ships an update every 2 months, DeTan every 3 weeks. The most recent releases landed on October 10, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Sunwise | DeTan |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/sunwise/id6741860332/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/detan-sunburn-tracker/id6761007985/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 3 MB | 39 MB |
| Requires iOS | 18.2 | **16.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Robert Bajzat](https://appshunter.io/developer/1788910018) | [Tatsat Brahmbhatt](https://appshunter.io/developer/1692901637) |

## What reviewers say

### Sunwise

[App page](https://appshunter.io/ios/app/sunwise/id6741860332)

This app provides detailed information on local dawn, sunrise, sunset, and dusk times worldwide. It offers a comprehensive view of daylight hours for any location.

**Highlights:** Detailed dawn times, Sunrise tracking, Sunset calculations, Dusk time information, World clock functionality

**Features:** Vision Pro support

**In-app purchases:** none


### DeTan

[App page](https://appshunter.io/ios/app/detan-sunburn-tracker/id6761007985)

This app helps you manage sun exposure and tanning safely. It uses real-time UV data and your skin type to provide personalized guidance on when to seek shade, reapply sunscreen, and limit exposure. Track your daily sun intake and build healthier habits for better skin.

**Highlights:** Real-time UV index tracking, Smart tanning timer, Personalized skin protection, Sunscreen reminders, Daily exposure insights, Minimalist interface

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $3.89 | per 7 days |
| Yearly | $39.99 | per year |


## Frequently asked questions

### Is Sunwise free?

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

### Is DeTan free?

DeTan is free to download, with in-app purchases available.

### Which has better reviews, Sunwise or DeTan?

Sunwise and DeTan are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Sunwise or DeTan have ads?

Neither Sunwise nor DeTan shows ads.

### Which is updated more often, Sunwise or DeTan?

Sunwise ships an update every 2 months, and DeTan every 3 weeks. Most recently, Sunwise was updated on October 10, 2026 and DeTan on October 15, 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.*