# TCP/UDP Server/Client vs PhosphorCalc

The clearest difference is price: TCP/UDP Server/Client at Free against PhosphorCalc's $0.99. TCP/UDP Server/Client also leads on device support (3 vs 1) and iOS requirement (15.0 vs 26.2). On ads and in-app purchases there is nothing between them.

TCP/UDP Server/Client is free to download; PhosphorCalc costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | TCP/UDP Server/Client | PhosphorCalc |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/tcpudp-serverclient/id6473011693/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | — |
| Monetization | Free | — |
| Size | 1 MB | 1 MB |
| Requires iOS | **15.0** | 26.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Jan Andersen](https://appshunter.io/developer/460814123) | [Stuart Woolley](https://appshunter.io/developer/315697638) |

## 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


### PhosphorCalc

[App page](https://appshunter.io/ios/app/phosphorcalc/id6760777378)

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

**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 PhosphorCalc free?

PhosphorCalc costs $0.99, with no in-app purchases.

### Do TCP/UDP Server/Client or PhosphorCalc have ads?

Neither TCP/UDP Server/Client nor PhosphorCalc shows ads.

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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.*