# MailCheck vs TCP Port Scanner

The clearest difference is price: TCP Port Scanner at Free against MailCheck's $2.99. MailCheck's advantage is in-app purchases (none vs 1) and ads (none vs shown). On device support and iOS requirement there is nothing between them.

TCP Port Scanner is free to download; MailCheck costs $2.99 up front. TCP Port Scanner sells 1 one-off in-app purchase. MailCheck asks for nothing beyond the download.

## The numbers

| Metric | MailCheck | TCP Port Scanner |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | — | **[4.0 (1 ratings)](https://appshunter.io/ios/app/tcp-port-scanner/id6758295170/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Monthly |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 6 MB | 26 MB |
| Requires iOS | 16.6 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [倩 罗](https://appshunter.io/developer/1653510118) | [akira ohmachi](https://appshunter.io/developer/1338624340) |

## What reviewers say

### MailCheck

[App page](https://appshunter.io/ios/app/mailcheck-smtp-test-and-debug/id6758070852)

Diagnose SMTP connectivity issues and verify email server configurations. View real-time server logs, test SSL/TLS settings, and authenticate credentials instantly. Ideal for system administrators and developers troubleshooting email delivery problems.

**Highlights:** Real-time SMTP testing, View raw server logs, Smart port configuration, Verify SSL/TLS, Test authentication

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

**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 MailCheck free?

MailCheck costs $2.99, with no in-app purchases.

### Is TCP Port Scanner free?

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

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

TCP Port Scanner shows ads; MailCheck 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.*