Client + Server
Run both ends
Updated for February 2026
iPerf3 client and server, native on iPhone, iPad, and Mac.
Run accurate TCP/UDP measurements, compare Wi-Fi and cellular links, validate VPN changes, and diagnose bottlenecks with a native workflow that feels fast on every screen size.
See core features No data collected iOS / iPadOS 16.6+ macOS 13.5+ / visionOS 1.0+ One-time purchase, no subscription
TCP + UDP
Both protocols
CSV / JSON
Save results
0 trackers
Trackers, ever
Core features
Everything needed for repeatable network tests without turning your phone or laptop into a cluttered lab UI.
Fast Test Flow
Simple Mode gives quick 8/10/15 second runs. Advanced Mode unlocks full protocol and transport controls.
Advanced Controls
Tune duration, streams, bandwidth cap, window size, MTU, direction, and more to match production scenarios.
Rich Metrics
Track throughput, RTT, retransmissions, jitter, packet loss, and per-interval behavior for deeper analysis.
Server Library
Save profiles, organize favorites, import/export server lists, and keep trusted endpoints ready.
Server Mode on Device
Turn your phone into an iPerf3 server to validate LAN or VPN links from another client instantly.
History + Charts
Keep local test history with visual trends and raw output so regression checks are quick and clear.
Automation Ready
Use built-in Shortcuts actions or x-callback-url endpoints to plug tests into larger workflows.
Privacy by Design
No analytics SDKs, no ads, no cloud account required. Results stay on your device unless you export them.
Two modes, one workflow
Simple Mode
- Quick start with preset durations
- Automatic server selection options
- One-tap run with clean progress feedback
- Great for rapid checks and routine monitoring
Advanced Mode
- Protocol and direction control (TCP/UDP, reverse, bidirectional)
- Parallel streams and custom duration
- Bandwidth/window/MTU tuning
- Built for validation, troubleshooting, and lab testing
Interface preview
Swipe or use arrows to explore the full product flow. Tap the main frame to open fullscreen.
Automation with Shortcuts
Run repeatable diagnostics from Apple Shortcuts or directly via x-callback-url. Open API docs
Run iPerf Test
Launch a test with specific server, protocol, direction, duration, and stream count.
Get Last Result
Fetch the most recent test output for widgets, notifications, or logging pipelines.
Test Server
Check endpoint reachability before running a full throughput session.
List Servers
Return configured servers for menu-driven automation chains.
# x-callback-url examples # run test (default durationSec=5 in Shortcuts flow) iperf3cs://x-callback-url/run-test?server=lab-router.local&protocol=tcp&direction=download&durationSec=5
# get most recent result iperf3cs://x-callback-url/get-last-result # from macOS Terminal
open "iperf3cs://x-callback-url/run-test?server=10.0.1.5&protocol=udp&direction=bidirectional" Privacy first
No tracking SDKs. No analytics pipelines. No user accounts.
No data collection
Local data only
Works offline
Export on demand
Frequently asked questions
No. It is an iPerf3 client/server tool for controlled endpoint-to-endpoint diagnostics. You need access to an iPerf3 server.
Apple version supports iPhone, iPad, Mac, and Apple Vision. Android version is available on Google Play.
Current App Store requirements are iOS 16.6+, iPadOS 16.6+, macOS 13.5+, and visionOS 1.0+.
Yes. Add any host/IP and port manually, or use Server mode on another device running the app.
UDP runs expose jitter and packet loss, which are critical for real-time traffic like voice and video.
Yes. Use built-in Shortcuts actions or x-callback-url endpoints to chain tests and post-processing.
Export complete or filtered history as CSV/JSON for spreadsheets, scripts, and incident reports.
No. The app states no data collection on both App Store and Google Play listings.
Ready to benchmark your network?
Install the app and run your first controlled iPerf3 test in minutes.
- One-time purchase
- No tracking
- Rated 5.0
Need help?
Contact us at support@iperf3app.com
Typical response time: 1-2 business days.
Open Support Page