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Stephen Foskett, Pack Rat

Understanding the accumulation of data

You are here: Home / Everything / Test Your Wi-Fi with iPerf for iOS

Test Your Wi-Fi with iPerf for iOS

July 9, 2020 By Stephen Leave a Comment

Most people know of Speedtest, the online performance testing website, but most nerds reach for iPerf instead. It’s a self-hosted, full-featured, open-source network performance testing application that runs on almost everything. Today I realized that there’s a free iOS port of the iPerf3 client! It’s super useful!

Why iPerf?

iPerf is widely used because it’s open source, cross-platform, and well understood. It’s another tool in the networking geek toolbox and has been around for a long time. The latest version. iPerf3, was released in 2014 and has been widely adopted since then.

iPerf gives pretty basic information on UDP and TCP network performance in a client/server architecture. You run the iPerf server on something (typically a central Unix system or router) and test your network performance using clients. Most people leave the server running and use the client with a simple command line, such as “iperf -c 192.168.100.1”

Is iPerf the best way to test a network? No way! But it’s simple and it works and it’s available on just about everything. I have the iPerf server running on my pfSense routers, since it’s an easy install and they’re at the center of my networks. Then I can see how things are running from various clients and networks.

iPerf for iOS

There have been a few different iOS iPerf clients, but most are buggy or paid. Today I noticed that there is a free iOS port of iPerf based on the official iPerf3 codebase. It’s a tiny 126 KB download and is available in the Apple App Store. It comes from the Ubiquiti UniFi user community. Thanks!

It ain’t much to look at, but iPerf for iOS is free, small, and functional!

It’s not a pretty GUI but it works. You can enter the server IP address, port, and adjust basic parameters and test your network.

Stephen’s Stance

iPerf 3 Wifi Speed Test is just what the doctor ordered. It’s a small, free iOS version of iPerf and it works!

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Filed Under: Apple, Everything, Terabyte home Tagged With: iOS, iPerf, Ubiquiti

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