# UVready vs Lightning Storm Simulator

The clearest difference is in-app purchases: UVready at none against Lightning Storm Simulator's 2. UVready also leads on update cadence (fortnightly vs every 6 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Lightning Storm Simulator sells 2 one-off in-app purchases. UVready asks for nothing beyond the download.

UVready ships an update fortnightly, Lightning Storm Simulator every 6 weeks. The most recent releases landed on September 18, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | UVready | Lightning Storm Simulator |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Fortnightly** | Every 6 weeks |
| Monetization | Ad-supported | — |
| Size | 7 MB | 13 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | +9 |
| Developer | [Appetizer](https://appshunter.io/developer/515390190) | [Qvyshift LLC](https://appshunter.io/developer/1536442361) |

## What reviewers say

### UVready

[App page](https://appshunter.io/ios/app/uvready/id6759196899)

Get instant UV index readings with a single tap. Understand current and hourly UV levels, receive personalized safe sun exposure times based on your skin type, and get alerts for changes. It's a quick and simple way to protect your skin year-round.

**Highlights:** Instant UV index check, Hourly UV forecast, Personalized safe exposure time, Intuitive emoji guidance, UV level change alerts, Instant sharing of UV conditions

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

**In-app purchases:** none


### Lightning Storm Simulator

[App page](https://appshunter.io/ios/app/lightning-storm-simulator/id6762096274)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Halloween Sound Effects | $4.99 | one-time |
| Remove Ads | $4.99 | one-time |


## Frequently asked questions

### Is UVready free?

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

### Is Lightning Storm Simulator free?

Lightning Storm Simulator is free to download, with in-app purchases available.

### Do UVready or Lightning Storm Simulator have ads?

Both UVready and Lightning Storm Simulator show ads.

### Which is updated more often, UVready or Lightning Storm Simulator?

UVready ships an update fortnightly, and Lightning Storm Simulator every 6 weeks. Most recently, UVready was updated on September 18, 2026 and Lightning Storm Simulator on September 22, 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.*