# Horns and Sirens vs Mapdo

The clearest difference is ads: Mapdo at none against Horns and Sirens's shown. Mapdo also leads on update cadence (every 4 days vs every 2 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Horns and Sirens ships an update every 2 months, Mapdo every 4 days. The most recent releases landed on October 30, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Horns and Sirens | Mapdo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (4.2K ratings)](https://appshunter.io/ios/app/horns-and-sirens/id474636529/reviews)** | — |
| Number of ratings | **4.2K** | — |
| Positive reviews | 42.5% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 4 days** |
| Monetization | Ad-supported | — |
| Size | 28 MB | 20 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Magi Ent](https://appshunter.io/developer/472588749) | [Cosmo Societa Responsabilita Limitata Semplificata](https://appshunter.io/developer/1741217308) |

## What reviewers say

### Horns and Sirens

[App page](https://appshunter.io/ios/app/horns-and-sirens/id474636529)

This app offers a collection of high-quality horn and siren sounds. Easily play various sounds like police sirens, air horns, and boat horns by tapping buttons. It's great for pranks or making noise, with options to save favorites and set sounds to repeat.

**Highlights:** High-quality horn and siren sounds, Tap to play sounds, Save favorite sounds, Set sounds to repeat, Offline playback, Variety of sound types

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Security
- 🔒 Loud sounds
- 👍 Entertaining
- 🚨 Variety of horns and sirens

**What reviewers complain about**

- 🐛 No sound
- 🐛 Doesn't work
- 🔋 Ads
- 🐛 Unreliable

**Reported bugs**

- No sound on certain devices
- Buttons don't work
- Can't stop/pause sounds
- Glitchy on ads

**Requested features**

- Add car horn sounds
- Add more sounds like thunderbolt tornado siren
- Provide a pro version without ads
- Allow using sounds as notification tones and ringtones


### Mapdo

[App page](https://appshunter.io/ios/app/mapdo-mappe-3d-per-eventi/id6759519409)

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

**In-app purchases:** none


## Frequently asked questions

### Is Horns and Sirens free?

Horns and Sirens is free to download, with no in-app purchases.

### Is Mapdo free?

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

### Do Horns and Sirens or Mapdo have ads?

Horns and Sirens shows ads; Mapdo does not.

### Which is updated more often, Horns and Sirens or Mapdo?

Horns and Sirens ships an update every 2 months, and Mapdo every 4 days. Most recently, Horns and Sirens was updated on October 30, 2026 and Mapdo on October 7, 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.*