# TCP Port Scanner — Detecting open TCP ports.

> Network utility for TCP port scanning and diagnostics without root access. (iPhone/iPad app by akira ohmachi.)

- Source: https://appshunter.io/ios/app/tcp-port-scanner/id6758295170 (this page in markdown: same URL + `.md`)
- Developer: [akira ohmachi](https://appshunter.io/developer/1338624340)
- Category: Developer Tools, Utilities
- Price: Free with in-app purchases
- Rating: 4.00/5 from 1 App Store ratings
- Age rating: 4+
- Requires: iOS 15.6 · 26 MB
- Languages: American English
- Released: 2026-01-27
- Data updated: 2026-09-06
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/tcp-port-scanner/id6758295170/reviews.md

## What is TCP Port Scanner?

This application provides a lightweight and efficient network utility designed for technical users who need to perform TCP port scanning and basic network diagnostics directly from their device.
No root access is required. Simply specify an IP address and a port range to initiate a scan.

Key Features
- TCP Port Scanner
Detects open TCP ports on reachable hosts within a specified range.
Useful for network diagnostics, service verification, and security assessments.
- Selectable Text Output
Scan results are aggregated into a single selectable text block, enabling easy copying, logging, and external analysis.
- Low Overhead, High Responsiveness
Optimized for quick scanning without unnecessary background processes or resource consumption.
- Mobile-First Network Tool
Execute network checks, service availability tests, and connectivity validation directly from your smartphone.

Target Users
This tool is intended for IT professionals, including:
- Network engineers
- System administrators
- Security analysts
- DevOps and SRE practitioners
- Users managing home or small-office networks
- Technicians verifying IoT device connectivity

Legal and Ethical Notice
This application must be used only on networks and devices for which you have explicit authorization.
Unauthorized port scanning may violate local laws, organizational policies, or service agreements.

## Key features

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

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

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



## Frequently asked questions about TCP Port Scanner

### What is TCP Port Scanner used for?

TCP Port Scanner is used for detecting open TCP ports on reachable hosts within a specified range. It's useful for network diagnostics, service verification, and security assessments.

### Does TCP Port Scanner require root access?

No, TCP Port Scanner does not require root access to function. Users can simply specify an IP address and a port range to initiate a scan.

### How are scan results presented in TCP Port Scanner?

Scan results are aggregated into a single selectable text block. This format makes it easy to copy, log, and perform external analysis of the data.

### What devices is TCP Port Scanner compatible with?

TCP Port Scanner is compatible with iPhone and iPad devices. It is designed as a mobile-first network tool.

### Is TCP Port Scanner free to use?

Yes, TCP Port Scanner is available for free. However, it does contain advertisements and offers in-app purchases.

### Does TCP Port Scanner have ads?

Yes, TCP Port Scanner contains advertisements. This is part of its monetization model.

### How often is TCP Port Scanner updated?

The latest version, 1.3.0, was released on June 24, 2026. Updates are provided by the developer akira ohmachi.

### What is the age rating for TCP Port Scanner?

TCP Port Scanner has an age rating of 4+. This indicates it is suitable for a wide range of users.

## Version history (last 5 releases)

### 1.3.0 — 2026-06-24

Added an option to remove ads. Improved the app to start smoothly without stopping, even if the network connection is unstable at startup.

### 1.2.3 — 2026-05-28

Improved overall stability and performance.

### 1.2.2 — 2026-05-28

Nous avons renforcé la confidentialité en prenant en charge l’App Tracking Transparency.

### 1.2.0 — 2026-03-07

Added a button to the Settings page to open the App Store.

### 1.1.0 — 2026-02-22

When entering an IP address, commas are now automatically converted to periods.

## More apps by akira ohmachi

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- [Wheel Lottery Machine](https://appshunter.io/ios/app/wheel-lottery-machine/id1559502572)
- [Bingo Machine](https://appshunter.io/ios/app/bingo-machine/id1561300296)
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- [Fortune slip](https://appshunter.io/ios/app/fortune-slip/id1561769646)

All apps by akira ohmachi: https://appshunter.io/developer/1338624340

## Related topics

[tcp port scanner](https://appshunter.io/ios/topics/tcp-port-scanner) · [open port scanner](https://appshunter.io/ios/topics/open-port-scanner) · [port scanner](https://appshunter.io/ios/topics/port-scanner)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-06.*