# UV Watch vs ZeroStation

The clearest difference is in-app purchases: ZeroStation at none against UV Watch's 2. ZeroStation also leads on update cadence (every 5 days vs monthly). UV Watch's advantage is iOS requirement (14.0.0 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. UV Watch sells 2 in-app purchases, starting at $0.99 per month. ZeroStation asks for nothing beyond the download.

UV Watch ships an update monthly, ZeroStation every 5 days. The most recent releases landed on October 23, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | UV Watch | ZeroStation |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (6 ratings)](https://appshunter.io/ios/app/uv-watch/id6742250756/reviews)** | — |
| Number of ratings | **6** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Every 5 days** |
| Monetization | Freemium | — |
| Size | 56 MB | 43 MB |
| Requires iOS | **14.0.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Elizabeth Johnson](https://appshunter.io/developer/1797563011) | [Smooth](https://appshunter.io/developer/974957694) |

## What reviewers say

### UV Watch

[App page](https://appshunter.io/ios/app/uv-watch/id6742250756)

This app provides real-time UV index tracking based on your location, offering personalized sun safety recommendations and proactive alerts for dangerous UV levels. Plan outdoor activities with confidence and protect your skin from sunburn and long-term damage.

**Highlights:** Real-time UV index tracking, Personalized protection recommendations, 3-day UV forecast, Global UV search, Smart sunscreen reminders, Proactive UV alerts

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $0.99 | per month |
| Annual Subscription | $9.99 | per year |


### ZeroStation

[App page](https://appshunter.io/ios/app/zerostation/id6756575855)

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

**In-app purchases:** none


## Frequently asked questions

### Is UV Watch free?

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

### Is ZeroStation free?

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

### Do UV Watch or ZeroStation have ads?

Neither UV Watch nor ZeroStation shows ads.

### Which is updated more often, UV Watch or ZeroStation?

UV Watch ships an update monthly, and ZeroStation every 5 days. Most recently, UV Watch was updated on October 23, 2026 and ZeroStation on October 12, 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.*