# Air Raid Siren vs Thunderstorm simulation

The clearest difference is in-app purchases: Thunderstorm simulation at none against Air Raid Siren's 1. Thunderstorm simulation also leads on iOS requirement (15.0 vs 17.6). Air Raid Siren's advantage is ratings volume (787 vs 27) and review sentiment (66% vs 50%). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. Air Raid Siren sells 1 one-off in-app purchase. Thunderstorm simulation asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.5 for Air Raid Siren against 4.5 for Thunderstorm simulation. That said, the two scores are not equally well evidenced: Air Raid Siren has 787 ratings behind it against 27, so its average is the more settled of the two. Written reviews are what separate them: 66% of Air Raid Siren's written reviews are positive against 50% of Thunderstorm simulation's.

Air Raid Siren ships an update every 6 months, Thunderstorm simulation every 7 months. The most recent releases landed on October 16, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Air Raid Siren | Thunderstorm simulation |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (787 ratings)](https://appshunter.io/ios/app/air-raid-siren/id979050977/reviews)** | [4.5 (27 ratings)](https://appshunter.io/ios/app/thunderstorm-simulation/id1668589893/reviews) |
| Number of ratings | **787** | 27 |
| Positive reviews | **66.4% of reviews** | 50.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 6 months** | Every 7 months |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 6 MB | 10 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Brandon Stecklein](https://appshunter.io/developer/498894252) | [Yaroslav Novytskyi](https://appshunter.io/developer/1668442756) |

## What reviewers say

### Air Raid Siren

[App page](https://appshunter.io/ios/app/air-raid-siren/id979050977)

This app provides a collection of high-quality stereo sound effects of air raid and tornado sirens from around the world. Users can play single sounds, loop them infinitely, or even play multiple sounds simultaneously for a chaotic effect. It's designed for entertainment and to warn others.

**Highlights:** High-quality stereo siren sound effects, Global siren sounds, Single play mode, Infinite loop mode, Play multiple sounds simultaneously, Prank and entertainment use

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Advertising Removal | $2.99 | one-time |

**What reviewers like**

- 🤑 Funny to use
- 🔊 Realistic siren sounds
- 🤓 Great for siren enthusiasts

**What reviewers complain about**

- 🐢 Slow loading times
- 🐛 Crashes and bugs
- 🚫 Doesn't work on some devices

**Reported bugs**

- Constant loading issues
- Crashes on launch for many users
- Marching button doesn't work

**Requested features**

- Add more siren sounds (e.g. Whelen Vortex, T-128, Hurricane 130, Alertronic 6000)
- Improve sound quality and naming of some sirens
- Allow uploading custom sounds
- Add a tornado warning siren


### Thunderstorm simulation

[App page](https://appshunter.io/ios/app/thunderstorm-simulation/id1668589893)

Experience the power of storms with this simulator. Create lightning with a tap, control rain and wind, or let the app run in automatic mode for a relaxing visual and auditory experience. Choose from three atmospheric locations.

**Highlights:** Create lightning with touch, Realistic thunder and rain sounds, Automatic storm simulation mode, Control rain and wind, Three scenic locations, Ideal for relaxation and meditation

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Air Raid Siren free?

Air Raid Siren is free to download, with in-app purchases available.

### Is Thunderstorm simulation free?

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

### Which has better reviews, Air Raid Siren or Thunderstorm simulation?

Air Raid Siren is rated higher. Air Raid Siren averages 4.5 out of 5 from 787 ratings, while Thunderstorm simulation averages 4.5 from 27 ratings.

### Do Air Raid Siren or Thunderstorm simulation have ads?

Both Air Raid Siren and Thunderstorm simulation show ads.

### Which is updated more often, Air Raid Siren or Thunderstorm simulation?

Air Raid Siren ships an update every 6 months, and Thunderstorm simulation every 7 months. Most recently, Air Raid Siren was updated on October 16, 2026 and Thunderstorm simulation on October 1, 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.*