ProbeLab

Probe Lab is a pocket digital-security lab. It shows what is really going on in your network and around you, and explains what it finds in plain words. NETWORK • Every device on your Wi-Fi: name, maker, model, open ports and when it first appeared. • Open ports rated by risk: Telnet, router admin pages without encryption, open shares, remote access. • Ports your router forwards over UPnP: which devices the internet can reach. • A notification when a new device joins; label your own devices and mark them trusted. BLUETOOTH • Bluetooth Low Energy devices around you, with signal strength and its history. • Tile, Samsung SmartTag, Chipolo and Find My Device tags, with a warning when a tag away from its owner stays near you. • GATT services and characteristics, with standard values decoded. LINKS AND QR CODES • Phishing checks run on the iPhone, including from the Share menu in Mail, Safari and Messages. • The site's certificate and the domain's age: a days-old domain is a common sign of a scam. • Redirects expanded without opening the page; QR codes read with the camera or from a photo. CONNECTION • Internet, gateway, DNS, public address and provider. • Signs of HTTPS interception by a proxy or antivirus, and who really answers your DNS lookups. • A traceroute from the phone and paths toward you from other countries; which countries' sites open. • Which of your router's ports the internet can see. • A full speed test: download, upload, latency under load and a bufferbloat grade, against Cloudflare or a Measurement Lab server you pick. PRIVACY No accounts, ads or analytics. Results stay on your iPhone. The services contacted during checks are listed in the privacy policy and on the About screen. iOS limits: the app hears Bluetooth Low Energy advertisements only, and iOS withholds Apple's data in them, so AirTags are not recognised — iOS itself warns you about an AirTag that is not yours. The device scan works on networks with IPv4.