# System Sound vs BlueDetect

The clearest difference is in-app purchases: System Sound at none against BlueDetect's 4. BlueDetect's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. BlueDetect sells 4 in-app purchases, starting at $1.99 per 7 days. System Sound asks for nothing beyond the download.

## The numbers

| Metric | System Sound | BlueDetect |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | — |
| Size | 36 MB | 6 MB |
| Requires iOS | 15.8.3 | **15.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hideaki Uchikoshi](https://appshunter.io/developer/1559575002) | [Necati Berk Ozcelik](https://appshunter.io/developer/1853573090) |

## What reviewers say

### System Sound

[App page](https://appshunter.io/ios/app/system-sound/id6504702118)

**Features:** macOS Compatibility

**In-app purchases:** none


### BlueDetect

[App page](https://appshunter.io/ios/app/bluedetect-my-device-tracker/id6755598885)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium Package | $1.99 | per 7 days |
| Special Offer Premium Package | $1.99 | per 7 days |
| Monthly Premium Package | $4.99 | per month |
| Annual Premium Package | $9.99 | per year |


## Frequently asked questions

### Is System Sound free?

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

### Is BlueDetect free?

BlueDetect is free to download, with in-app purchases available.

### Do System Sound or BlueDetect have ads?

System Sound shows ads; BlueDetect does not.

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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.*