# Air Raid Siren vs Backyard Apollo AR

The clearest difference is in-app purchases: Backyard Apollo AR at none against Air Raid Siren's 1. Backyard Apollo AR also leads on ads (none vs shown) and rating (4.7 vs 4.5). On price, review sentiment, ratings volume and update cadence there is nothing between them.

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

Backyard Apollo AR holds the better App Store score, 4.7 against 4.5. Both are backed by a comparable volume of ratings — 811 and 1.5K respectively. Written reviews point the same way: 66% of Air Raid Siren's written reviews are positive against 70% of Backyard Apollo AR's.

Air Raid Siren ships an update every 6 months, Backyard Apollo AR every 7 months. The most recent releases landed on October 24, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Air Raid Siren | Backyard Apollo AR |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (811 ratings)](https://appshunter.io/ios/app/air-raid-siren/id979050977/reviews) | **[4.7 (1.5K ratings)](https://appshunter.io/ios/app/backyard-apollo-ar/id1258795104/reviews)** |
| Number of ratings | 811 | **1.5K** |
| Positive reviews | 66.4% of reviews | **69.6% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 6 months** | Every 7 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 6 MB | 82 MB |
| Requires iOS | 17.6 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Brandon Stecklein](https://appshunter.io/developer/498894252) | [Wobbleworks LLC](https://appshunter.io/developer/404664339) |

## 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


### Backyard Apollo AR

[App page](https://appshunter.io/ios/app/backyard-apollo-ar/id1258795104)

Experience a life-sized Apollo Saturn V rocket in augmented reality. Explore it from all angles, walk around it, and launch it with realistic sounds and visuals. Customize your rocket experience and share snapshots.

**Highlights:** Life-sized rocket model, 360-degree viewing, Augmented reality placement, Realistic launch sequence, Authentic mission sounds, Customizable rocket experience, Snapshot sharing

**In-app purchases:** none

**What reviewers like**

- 🚀 Realistic rocket simulation
- 👍 Engaging and educational experience
- 💡 Potential for more rocket models
- 👍 Free to download

**What reviewers complain about**

- 🐛 Frequent crashes and freezes
- 🐛 Camera authorization issues
- 🔋 High memory and storage usage
- 🐛 Compatibility problems on older devices

**Reported bugs**

- Startup crashes and sensor reset loops
- Rocket launch sequence freezes
- Persistent audio issues after app closure

**Requested features**

- Add more rocket models and launch configurations
- Implement video recording capability
- Improve overall stability and performance


## Frequently asked questions

### Is Air Raid Siren free?

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

### Is Backyard Apollo AR free?

Backyard Apollo AR is free to download, with no in-app purchases.

### Which has better reviews, Air Raid Siren or Backyard Apollo AR?

Backyard Apollo AR is rated higher. Air Raid Siren averages 4.5 out of 5 from 811 ratings, while Backyard Apollo AR averages 4.7 from 1.5K ratings.

### Do Air Raid Siren or Backyard Apollo AR have ads?

Air Raid Siren shows ads; Backyard Apollo AR does not.

### Which is updated more often, Air Raid Siren or Backyard Apollo AR?

Air Raid Siren ships an update every 6 months, and Backyard Apollo AR every 7 months. Most recently, Air Raid Siren was updated on October 24, 2026 and Backyard Apollo AR on October 26, 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.*