WiFizer

Meet WiFizer — the network toolkit that turns your iPhone into a pocket-sized diagnostics lab. See how healthy your Wi‑Fi really is, discover every device sharing your network, and run 15+ professional tools without ever creating an account. Everything runs on your device. No sign-up, no ads, no tracking — nothing leaves your iPhone except the lookups you choose to run. SIGNAL & CONNECTION • Live latency, jitter and packet-loss monitoring with a 60-second history • A clear quality score so you instantly know if your connection is excellent or struggling • Connection details: interface, local IP addresses and your DNS servers DEVICES ON YOUR NETWORK • Scan your Wi‑Fi and list every connected device • See names, IP addresses and the manufacturer (from the MAC address) • Know exactly what's sharing your network NETWORK TOOLS • Speed Test — download, upload and latency • Ping — live reachability and round-trip time, with hostname resolution • Traceroute — map the path packets take, hop by hop, with reverse-DNS names • Port Scan — check common ports or your own custom list for open services SUBNETTING • Subnet Calculator — CIDR, mask, host ranges, plus one-tap "use my Wi‑Fi" • Subnet Splitter — divide a network into equal subnets or by host size (VLSM) OSINT & LOOKUPS • DNS Lookup and full DNS records (A, MX, TXT, NS, SOA, CAA…) • RDAP — registry and ownership data for a domain or IP • Reverse DNS, IP Geolocation and a combined IP Overview • Email Security — SPF, DMARC and DKIM posture for any domain • Subdomain Finder via Certificate Transparency logs • TLS Certificate inspector, HTTP security headers, well-known files and DNS blocklist checks • MAC Vendor lookup BUILT FOR PRIVACY • No account, no login • No ads, no analytics, no third-party tracking • Respects Low Data Mode • Lookups query trusted public services only when you ask for them FOUR THEMES Switch between Soft, Mono, Glass and a retro terminal "Nerd" look to match your style. Whether you're troubleshooting slow Wi‑Fi, auditing what's on your network, planning subnets, or investigating a domain, WiFizer gives you answers — fast, clean and private.