iPerf Reloaded

Measure real Wi-Fi and LAN throughput with the industry-standard iPerf3 protocol. Live chart, multi-stream tests, saved history — all local, no tracking.

iPerf Reloaded brings the power of iPerf3 — the industry-standard network performance tool — directly to your iPhone and iPad.

WHAT IS IPERF? iPerf3 is an open-source tool used by network engineers, IT admins, and enthusiasts worldwide to measure real TCP throughput between two devices. Unlike internet speed tests that hit a remote server, iPerf tests your LOCAL network — Wi-Fi, Ethernet, VPN tunnels, or any IP connection — giving you accurate, raw numbers without server-side bottlenecks.

WHAT YOU CAN DO • Measure download and upload throughput to any iPerf3 server on your network • TCP and UDP protocol support • Test with 1–10 parallel streams to saturate high-speed links • Choose test durations: 5 s, 30 s, or unlimited • Watch throughput evolve live in a smooth 5Hz real-time chart • Share test results as an image or CSV export • Optimized iPad landscape layout • Save and compare past test runs in the built-in history • Light and dark theme

TYPICAL USE CASES • Verify your Wi-Fi access point's real-world speed • Diagnose bottlenecks in home or office networks • Benchmark a new router, switch, or network adapter • Validate QoS or VPN performance

REQUIREMENTS An iPerf3 server must be reachable on your network. Run iperf3 -s on any Mac, Linux, Windows, or Raspberry Pi to start one instantly. Public iPerf3 servers are also available online (see iperf3serverlist.net).

PRIVACY No tracking, no analytics, no ads. All test data stays on your device. No account required.

iPerf Reloaded is a clean, modern SwiftUI rewrite based on the open-source iperf3 library.