NetSleuth
Network Diagnostics Toolkit
About
This toolkit offers professional-grade network diagnostic tools for understanding your internet connection. It includes speed tests, ping, traceroute, DNS lookups, and more to analyze network performance and security.
What's New in NetSleuth
1.6
May 1, 2026
* Added a new Home dashboard for faster access to common diagnostics * Added Saved Targets for frequently checked domains, hosts, and IP addresses * Added Recent Targets so you can quickly rerun checks * Added a Full Diagnostic workflow for running multiple checks on one target * Added Reports and History for reviewing previous diagnostic results * Added a new Settings area with local data controls * Improved tool organization and navigation * Improved certificate tracking visibility * Added clearer wording around TCP-based reachability checks on iOS * Improved sharing, copying, and export behavior across diagnostic results * Fixed Swift 6 compatibility issues in Speed Test * Fixed a certificate tracker crash caused by overlapping timeout and certificate callbacks * Removed an iOS 17-only empty state view for better compatibility with older deployment targets * General UI polish, reliability improvements, and bug fixes
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FAQ
What is NetSleuth?
NetSleuth is a powerful network diagnostic toolkit for iPhone and iPad. It provides professional-grade tools like speed tests, ping, traceroute, and DNS lookups to help users understand their network performance and security.
Does NetSleuth have ads?
No, NetSleuth is ad-free. The app explicitly states 'No ads. No account required. No data collected.'
What network tests can I perform with NetSleuth?
NetSleuth offers a comprehensive suite of tests including Speed Test (download, upload, latency, jitter, packet loss, Bufferbloat Grade), Ping, Traceroute, DNS Lookup (various record types), DNS Propagation, DNS over HTTPS (DoH) testing, Port Checker, WHOIS, SSL Inspector, WiFi Info, and IP Info.
Is NetSleuth available on Android?
Based on the provided information, NetSleuth is designed for iPhone and iPad, indicating it is an iOS-exclusive application.
How does NetSleuth's speed test work?
The speed test measures download, upload, latency, jitter, loaded latency, and packet loss. It then provides a Bufferbloat Grade (A–F) to show how your connection performs under real load, powered by Cloudflare.
What information does NetSleuth provide about my WiFi connection?
With location permission enabled, NetSleuth can display your local IP, external IP, subnet, gateway, DNS, signal strength in dBm, SSID, BSSID, channel, and whether it's a 2.4 GHz or 5 GHz connection.
How often is NetSleuth updated?
The latest version of NetSleuth is 1.6, and it was last updated on May 1, 2026. This suggests a relatively active development cycle.
What is the age rating for NetSleuth?
NetSleuth has an age rating of 4+, making it suitable for a wide range of users, including younger individuals interested in network diagnostics.