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Find My LAN Device — network scanner
Scan your local network from your iPhone — sonar included
Find My LAN Device discovers every device on your Wi-Fi from an iPhone or iPad. TCP + Bonjour/mDNS scanning, continuous monitoring, CSV export, and a sonar mode that probes a host with live audio feedback. 100% on-device — no account, no tracking, no data leaves your phone.
Hey hunters 👋 I'm Laurent, the indie maker behind Find My LAN Device.
This started as a frustration. iOS won't let you ping, read the ARP table, or open a raw socket — Apple's sandbox blocks all of it. So most "network scanners" on the App Store either fake it or fall apart the moment you point them at a full /24.
I rebuilt detection from scratch: • Double-pass TCP-connect scanning with capped concurrency, so iOS doesn't choke when probing 254 hosts at once • Bonjour/mDNS merged into the same results (HTTP, HTTPS, SSH) • Explicit VPN/Tailscale interface exclusion, so it scans your real Wi-Fi subnet and not a tunnel • Continuous monitoring that surfaces new devices the second they join
The v2.1 highlight is Sonar mode: pick a host and get live TCP-continuity beeps — think cable tester, but for your LAN. Weirdly satisfying when you're tracing what's actually up.
Everything runs 100% on-device. No account, no analytics, nothing leaves your phone. Free to scan, with a one-time €1.99 unlock for Pro.
The iOS sandbox war stories are honestly my favorite part — happy to go deep on any of it. And I'd love to hear: what's the device on your network you could never quite identify? 👀
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About Find My LAN Device — network scanner on Product Hunt
“Scan your local network from your iPhone — sonar included”
Find My LAN Device — network scanner was submitted on Product Hunt and earned 0 upvotes and 1 comments, placing #7 on the daily leaderboard. Find My LAN Device discovers every device on your Wi-Fi from an iPhone or iPad. TCP + Bonjour/mDNS scanning, continuous monitoring, CSV export, and a sonar mode that probes a host with live audio feedback. 100% on-device — no account, no tracking, no data leaves your phone.
Find My LAN Device — network scanner was featured in iOS (110.5k followers), Privacy (11.2k followers) and Developer Tools (515.4k followers) on Product Hunt. Together, these topics include over 120.2k products, making this a competitive space to launch in.
Who hunted Find My LAN Device — network scanner?
Find My LAN Device — network scanner was hunted by Laurent Bob. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
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Laurent Bob
ouverte pour amorcer la discussion.
Hey hunters 👋 I'm Laurent, the indie maker behind Find My LAN Device.
This started as a frustration. iOS won't let you ping, read the ARP
table, or open a raw socket — Apple's sandbox blocks all of it. So most
"network scanners" on the App Store either fake it or fall apart the
moment you point them at a full /24.
I rebuilt detection from scratch:
• Double-pass TCP-connect scanning with capped concurrency, so iOS
doesn't choke when probing 254 hosts at once
• Bonjour/mDNS merged into the same results (HTTP, HTTPS, SSH)
• Explicit VPN/Tailscale interface exclusion, so it scans your real
Wi-Fi subnet and not a tunnel
• Continuous monitoring that surfaces new devices the second they join
The v2.1 highlight is Sonar mode: pick a host and get live TCP-continuity
beeps — think cable tester, but for your LAN. Weirdly satisfying when
you're tracing what's actually up.
Everything runs 100% on-device. No account, no analytics, nothing leaves
your phone. Free to scan, with a one-time €1.99 unlock for Pro.
The iOS sandbox war stories are honestly my favorite part — happy to go
deep on any of it. And I'd love to hear: what's the device on your
network you could never quite identify? 👀