NetDoctor: WiFi & Network
NetDoctor: WiFi & Network Summary
NetDoctor: WiFi & Network is a free, with in-app purchases iOS app in Tools by Nguyen SonTung. Released in Oct 2026 (recently released ago). Store last updated Oct 27, 2026
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App Description
Why is my Wi-Fi slow? NetDoctor finds out.
One tap runs a full check-up of your home network and tells you, in plain language, whether the problem is your Wi-Fi, your router, your internet provider or DNS ā and what to do next.
DIAGNOSIS, NOT JUST NUMBERS
ā¢ A health score with the evidence behind it
ā¢ Clear answers like "Your Wi-Fi is fine. Your DNS is slow."
ā¢ Confidence level and step-by-step fixes
WHAT NETDOCTOR CHECKS
ā¢ Phone ā router latency, jitter and packet loss
ā¢ Internet latency and stability
ā¢ DNS speed compared with Cloudflare, Google and Quad9
ā¢ Download and upload speed
ā¢ Sign-in pages, VPN, IPv6 and Low Data Mode
WI-FI OR PROVIDER? WE CAN TELL
Run the same test on Wi-Fi and on cellular to see where the problem really is.
FIND WEAK SPOTS AT HOME
Wi-Fi Health Map: test each room and see which ones need help ā based on real performance, not just signal bars.
SEE EVERY DEVICE ON YOUR NETWORK
Router, Apple TV, printers, speakers, smart home and more. New devices are highlighted ā without scary "you've been hacked" alarms.
LAG UNDER LOAD
The bufferbloat test explains "500 Mbps, but my game still lags."
HISTORY
See when your network got worse: "Health dropped from 94 to 61."
PRIVATE BY DESIGN
No account. No cloud. No ads. No tracking. Your diagnostics stay on your iPhone.
CATCH DROPOUTS THAT COME AND GO ā NEW
Calls freeze and games lag, but a speed test looks fine? Connection Monitor checks your router and the internet every second for 5 to 60 minutes, then tells you whether the dropouts happen on your Wi-Fi or at your provider. Your first session is free.
DID THE FIX WORK? ā NEW
After you try a fix, check again and see your result before and after.
READY FOR IPHONE DUO
Two columns on the large inner screen.
NETDOCTOR PRO ā PAY ONCE
Wi-Fi Health Map, lag-under-load test, DNS Compare, unlimited history and trends, device naming and shareable reports. One-time purchase, no subscription. Try each Pro test once for free.
Speed tests use Cloudflare's public speed servers and use mobile data when you're on cellular.
Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Privacy Policy: https://bmit-mob.web.app/net-doctor/privacy-policy.html