NetDoctor: WiFi & Network

Find why your Wi-Fi is slow

Only for iPhone

Free · In‑App Purchases · Designed for iPhone. Not verified for macOS.

iPhone

One tap tells you if the problem is your Wi-Fi, router, internet provider or DNS — with the evidence and what to do next. No account, no ads, pay once. 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 — and what to do next. DIAGNOSIS, NOT JUST NUMBERS • A health score with the evidence behind it • Clear answers like "Your Wi-Fi is fine. Your DNS is slow." • Confidence level and step-by-step fixes WHAT NETDOCTOR CHECKS • Phone → router latency, jitter and packet loss • Internet latency and stability • DNS speed compared with Cloudflare, Google and Quad9 • Download and upload speed • 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 — 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 — 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. NETDOCTOR PRO — 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

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The developer, Nguyen SonTung, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Collected

    The developer does not collect any data from this app.

    Privacy practices may vary, for example, based on the features you use or your age. Learn More

    Accessibility

    The developer has not yet indicated which accessibility features this app supports. Learn More

    Information

    Seller
    Nguyen SonTung
    Size
    4.1 MB
    Category
    Utilities
    Compatibility
    Requires iOS 17.0 or later.
    • iPhone
      Requires iOS 17.0 or later.
    • Mac
      Requires macOS 14.0 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 1.0 or later.
    Languages
    English and 30 more
    • English, Arabic, Czech, Danish, Dutch, Finnish, French, German, Greek, Hebrew, Hindi, Hungarian, Indonesian, Italian, Japanese, Korean, Malay, Norwegian Bokmål, Persian, Polish, Portuguese, Romanian, Russian, Simplified Chinese, Spanish, Swedish, Thai, Traditional Chinese, Turkish, Ukrainian, Vietnamese
    Age Rating
    4+
    In-App Purchases
    Yes
    Copyright
    © BMIT MOB, LLC
  • Developer Website
  • Privacy Policy

    • Supports

    • Family Sharing

      Some in-app purchases and subscriptions may be shareable with your family group when Family Sharing is enabled. Learn More

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