# coreVIEWER vs TCP Port Scanner

The clearest difference is in-app purchases: coreVIEWER at none against TCP Port Scanner's 1. coreVIEWER also leads on ads (none vs shown) and iOS requirement (13.0 vs 15.6). On price, update cadence and device support there is nothing between them.

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

coreVIEWER ships an update every 2 months, TCP Port Scanner monthly. The most recent releases landed on October 16, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | coreVIEWER | TCP Port Scanner |
| --- | --- | --- |
| 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 | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | — | Free with in-app purchases |
| Size | 71 MB | 26 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [core sensing GmbH](https://appshunter.io/developer/1608175677) | [akira ohmachi](https://appshunter.io/developer/1338624340) |

## What reviewers say

### coreVIEWER

[App page](https://appshunter.io/ios/app/coreviewer/id1608175675)

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is coreVIEWER free?

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

### Is TCP Port Scanner free?

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

### Do coreVIEWER or TCP Port Scanner have ads?

TCP Port Scanner shows ads; coreVIEWER does not.

### Which is updated more often, coreVIEWER or TCP Port Scanner?

coreVIEWER ships an update every 2 months, and TCP Port Scanner monthly. Most recently, coreVIEWER was updated on October 16, 2026 and TCP Port Scanner on October 20, 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.*