# Air Raid Siren vs Sky Viper Flight Simulator

The clearest difference is rating: Air Raid Siren at 4.5 against Sky Viper Flight Simulator's 3.7. Air Raid Siren also leads on review sentiment (66% vs 54%) and ratings volume (814 vs 197). Sky Viper Flight Simulator's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Air Raid Siren sells 1 one-off in-app purchase. Sky Viper Flight Simulator asks for nothing beyond the download.

Air Raid Siren holds the better App Store score, 4.5 against 3.7. Both are backed by a comparable volume of ratings — 814 and 197 respectively. Written reviews point the same way: 66% of Air Raid Siren's written reviews are positive against 54% of Sky Viper Flight Simulator's.

Air Raid Siren ships an update every 6 months, Sky Viper Flight Simulator every 3 days. The most recent releases landed on November 5, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | Air Raid Siren | Sky Viper Flight Simulator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (814 ratings)](https://appshunter.io/ios/app/air-raid-siren/id979050977/reviews)** | [3.7 (197 ratings)](https://appshunter.io/ios/app/sky-viper-flight-simulator/id1135441810/reviews) |
| Number of ratings | **814** | 197 |
| Positive reviews | **66.2% of reviews** | 54.1% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 6 months | **Every 3 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 6 MB | 455 MB |
| Requires iOS | 17.6 | **8.4** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Brandon Stecklein](https://appshunter.io/developer/498894252) | [Skyrocket, LLC](https://appshunter.io/developer/726238608) |

## 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


### Sky Viper Flight Simulator

[App page](https://appshunter.io/ios/app/sky-viper-flight-simulator/id1135441810)

Practice flying a variety of drones in a virtual environment before taking to the skies in real life. Explore different environments and master drone controls through numerous challenges. No physical drone is needed to start learning.

**Highlights:** Full fleet of Sky Viper drones, Dozens of drone challenges, Custom camera views including FPV, Free Flight mode, 3 unique exploration environments, Full drone specs and flying options

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Good for practice
- 👍 Realistic simulation (for some)
- 👍 Helpful for learning
- 👍 Fun to play
- 👍 Good controls (for some)

**What reviewers complain about**

- 🐛 Unrealistic controls
- 🐛 Glitchy and choppy
- 🐛 Unusably slow performance
- 🐛 Hard to fly
- 🐛 Lacks realistic physics

**Reported bugs**

- Unusably slow performance (1 fps)
- Crashing when moving certain directions
- Flips not working
- Throttle control unresponsive
- Game crashes frequently

**Requested features**

- Improve controls for realism
- Add more maps/areas
- Support for external controllers/gamepads
- Improve graphics
- Add more customization options for controls


## Frequently asked questions

### Is Air Raid Siren free?

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

### Is Sky Viper Flight Simulator free?

Sky Viper Flight Simulator is free to download, with no in-app purchases.

### Which has better reviews, Air Raid Siren or Sky Viper Flight Simulator?

Air Raid Siren is rated higher. Air Raid Siren averages 4.5 out of 5 from 814 ratings, while Sky Viper Flight Simulator averages 3.7 from 197 ratings.

### Do Air Raid Siren or Sky Viper Flight Simulator have ads?

Air Raid Siren shows ads; Sky Viper Flight Simulator does not.

### Which is updated more often, Air Raid Siren or Sky Viper Flight Simulator?

Air Raid Siren ships an update every 6 months, and Sky Viper Flight Simulator every 3 days. Most recently, Air Raid Siren was updated on November 5, 2026 and Sky Viper Flight Simulator on November 2, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*