# mySunMoon vs Helios UV

The clearest difference is rating: Helios UV at 5.0 against mySunMoon's 2.0. Helios UV also leads on update cadence (monthly vs every 3 months). mySunMoon's advantage is iOS requirement (10.0 vs 17.0). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. mySunMoon sells 1 one-off in-app purchase and Helios UV sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Helios UV holds the better App Store score, 5.0 against 2.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

mySunMoon ships an update every 3 months, Helios UV monthly. The most recent releases landed on October 17, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | mySunMoon | Helios UV |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.0 (1 ratings)](https://appshunter.io/ios/app/mysunmoon/id427960945/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/helios-uv/id6761273364/reviews)** |
| Number of ratings | 1 | 1 |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 33 MB | 16 MB |
| Requires iOS | **10.0** | 17.0 |
| Devices | iPhone, iPad, iPod, Apple TV, Apple Watch | iPhone, iPad, Mac, Apple TV, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Roberto Sonzogni](https://appshunter.io/developer/402429427) | [Kludge Ltd](https://appshunter.io/developer/1888571254) |

## What reviewers say

### mySunMoon

[App page](https://appshunter.io/ios/app/mysunmoon/id427960945)

This app displays sunrise, sunset, moonrise, and moonset times. It can use your device's current location or a custom date and location for its calculations. It also shows the current moon phase.

**Highlights:** Sunrise and sunset times, Moonrise and moonset times, Moon phase display, Custom date and location support, Uses device's current location, Featured by iTunes

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Disable ads | $0.99 | one-time |


### 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 |


## Frequently asked questions

### Is mySunMoon free?

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

### Is Helios UV free?

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

### Which has better reviews, mySunMoon or Helios UV?

Helios UV is rated higher. mySunMoon averages 2.0 out of 5 from 1 ratings, while Helios UV averages 5.0 from 1 ratings.

### Do mySunMoon or Helios UV have ads?

Neither mySunMoon nor Helios UV shows ads.

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

mySunMoon ships an update every 3 months, and Helios UV monthly. Most recently, mySunMoon was updated on October 17, 2026 and Helios UV on October 6, 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.*