NetDiag+ puts 25 professional network diagnostic tools in your pocket — built entirely on BSD sockets / Network.framework, no private entitlements. New in v1.4: MTR, Path MTU discovery, TLS Inspector, Encrypted DNS (DoH+DoT), HTTP/3/QUIC, STUN/NAT type, Bonjour browser, IPv6 diagnostics, and Site Reach with SNI-block detection. No tracking, no account, no subscription — one optional IAP removes ads. 12 languages.
Hi PH 👋 I'm the solo dev. NetDiag+ started as "ping/traceroute on iOS without entitlements" and grew into 25 tools. v1.4 adds the stuff I always wished my phone had: MTR with per-hop loss, Path MTU for VPN debugging, and a Site Reach tool that detects SNI-level blocking (TCP connects, TLS gets RST'd by DPI). All on raw sockets, no data collected — nothing leaves your device. Wrote up the hard parts here: https://dev.to/dtisch/what-i-lea... — happy to answer anything technical!
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