# Helios UV vs UV Timer

The clearest difference is update cadence: UV Timer at every 3 days against Helios UV's monthly. Helios UV's advantage is device support (5 vs 2) and iOS requirement (17.0 vs 26.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Helios UV sells 3 in-app purchases, starting at $0.99 per month and UV Timer sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Helios UV ships an update monthly, UV Timer every 3 days. The most recent releases landed on October 6, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Helios UV | UV Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/helios-uv/id6761273364/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 days** |
| Monetization | Freemium | — |
| Size | 16 MB | 10 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | **iPhone, iPad, Mac, Apple TV, Apple Watch** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Kludge Ltd](https://appshunter.io/developer/1888571254) | [Shyam Steenhaut](https://appshunter.io/developer/1895402238) |

## What reviewers say

### Helios UV

[App page](https://appshunter.io/ios/app/helios-uv/id6761273364)

Track the UV index with live forecasts and personalized burn-time predictions based on your skin type. Receive alerts for dangerous UV levels and customize your experience with various color palettes and widgets across all your Apple devices.

**Highlights:** Live UV index forecasts, Personalized burn-time predictions, Threshold alerts for UV levels, Multi-device widgets, Customizable color palettes, Powered by Apple WeatherKit

**Features:** Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Helios UV Pro Monthly | $0.99 | per month |
| Helios UV Pro Yearly | $9.99 | per year |
| Helios UV Pro Family Yearly | $14.99 | per year |


### UV Timer

[App page](https://appshunter.io/ios/app/uv-timer/id6763620315)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Location Pack | $0.99 | one-time |
| 5 Locations Pack | $3.99 | one-time |
| 10 Locations Pack | $4.99 | one-time |


## Frequently asked questions

### Is Helios UV free?

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

### Is UV Timer free?

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

### Do Helios UV or UV Timer have ads?

Neither Helios UV nor UV Timer shows ads.

### Which is updated more often, Helios UV or UV Timer?

Helios UV ships an update monthly, and UV Timer every 3 days. Most recently, Helios UV was updated on October 6, 2026 and UV Timer on September 24, 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.*