# TCP Port Scanner vs System Sounds for Developers

The clearest difference is in-app purchases: System Sounds for Developers at none against TCP Port Scanner's 1. System Sounds for Developers also leads on ads (none vs shown). TCP Port Scanner's advantage is device support (3 vs 1) and iOS requirement (15.6 vs 17.0). On price there is nothing between them.

Both are free to download. TCP Port Scanner sells 1 one-off in-app purchase. System Sounds for Developers asks for nothing beyond the download.

## The numbers

| Metric | TCP Port Scanner | System Sounds for Developers |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/tcp-port-scanner/id6758295170/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Monthly | — |
| Monetization | Free with in-app purchases | — |
| Size | 26 MB | 1 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [akira ohmachi](https://appshunter.io/developer/1338624340) | [Takashi Goto](https://appshunter.io/developer/6784282457) |

## What reviewers say

### TCP Port Scanner

[App page](https://appshunter.io/ios/app/tcp-port-scanner/id6758295170)

This network utility allows technical users to perform TCP port scanning and basic network diagnostics on their device. It detects open TCP ports on reachable hosts within a specified range and provides selectable text output for easy analysis. Optimized for quick scanning without consuming excessive resources.

**Highlights:** TCP Port Scanner, Selectable Text Output, Low Overhead, High Responsiveness, Mobile-First Network Tool, Network Diagnostics, Service Verification

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


### System Sounds for Developers

[App page](https://appshunter.io/ios/app/system-sounds-for-developers/id6787648226)

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

**In-app purchases:** none


## Frequently asked questions

### Is TCP Port Scanner free?

TCP Port Scanner is free to download, with in-app purchases available.

### Is System Sounds for Developers free?

System Sounds for Developers is free to download, with no in-app purchases.

### Do TCP Port Scanner or System Sounds for Developers have ads?

TCP Port Scanner shows ads; System Sounds for Developers 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.*