# TCP/UDP Server/Client vs See Sailing

The clearest difference is update cadence: See Sailing at every 2 months against TCP/UDP Server/Client's every 5 months. See Sailing also leads on iOS requirement (12.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

TCP/UDP Server/Client ships an update every 5 months, See Sailing every 2 months. The most recent releases landed on November 4, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | TCP/UDP Server/Client | See Sailing |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/tcpudp-serverclient/id6473011693/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 1 MB | 30 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Jan Andersen](https://appshunter.io/developer/460814123) | [Atomic Droplet](https://appshunter.io/developer/412509860) |

## What reviewers say

### TCP/UDP Server/Client

[App page](https://appshunter.io/ios/app/tcpudp-serverclient/id6473011693)

This utility app allows you to set up a server or client for testing network connections. It supports multiple client connections and offers flexible response options for received data, with separate logs for events and hexadecimal values.

**Highlights:** TCP/UDP server and client functionality, Supports multiple client connections, Configurable port numbers (0-65535), Multiple response modes for received data, Event and Hexadecimal log windows, Echo, text, and lookup table responses

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

**In-app purchases:** none


### See Sailing

[App page](https://appshunter.io/ios/app/see-sailing/id6673886027)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is TCP/UDP Server/Client free?

TCP/UDP Server/Client is free to download, with no in-app purchases.

### Is See Sailing free?

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

### Do TCP/UDP Server/Client or See Sailing have ads?

Neither TCP/UDP Server/Client nor See Sailing shows ads.

### Which is updated more often, TCP/UDP Server/Client or See Sailing?

TCP/UDP Server/Client ships an update every 5 months, and See Sailing every 2 months. Most recently, TCP/UDP Server/Client was updated on November 4, 2026 and See Sailing on November 8, 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.*