Robin - Remote Packet Capture

Servers & routers over SSH

Free · In‑App Purchases · Designed for iPad. Not verified for macOS.

Robin turns your iPhone into a control panel for remote packet capture. It connects over SSH to your own OpenWrt router or Linux host, runs tcpdump remotely, and sends a standard pcap straight back to your iPhone. Robin offers two capture sources: • Air capture — use monitor mode on a compatible Wi-Fi radio to capture 802.11 frames. Robin can scan nearby access points and configure the radio, channel, and width. • Interface capture — capture packets visible to an existing Linux interface such as br-lan or eth0. Monitor-mode support is not required, and Robin does not change the interface state. Robin does not require jailbreaking your iPhone or attaching a USB Wi-Fi adapter to it. The capture runs on the remote host; your iPhone handles connection, detection, configuration, control, and download. Robin is not a generic SSH client. It is a guided workflow built for remote packet capture: • Connect — securely over SSH with password or Ed25519/RSA key authentication. Passphrase-protected private keys are supported, and host keys are pinned on first use. • Detect — check whether air and interface capture are available, including radios, Linux interfaces, required tools, and permissions. • Configure — choose a capture source, channel, or network interface, then add an optional BPF filter, stop timer, and output directory. • Filter — get basic BPF validation as you type, with common examples, a combination builder, and a syntax reference. • Capture — start a detached tcpdump task that keeps running if SSH disconnects. Interface capture excludes the current SSH control connection by default and has a protective file-size limit. • Download — pull the .pcap to your iPhone and open it in Wireshark or your tool of choice. WORKS WITH: • OpenWrt routers, usually with root login • Regular Linux hosts using an existing active network interface • A monitor-mode-compatible Wi-Fi radio for air capture; interface capture does not require one • Root, file capabilities, passwordless sudo, or password-based sudo • Standard Dropbear / OpenSSH targets, with no SFTP required BUILT FOR: Network engineers, Wi-Fi troubleshooters, and security researchers who need a fast, portable way to collect pcaps from infrastructure they own or are authorized to test. GOOD TO KNOW: • Robin requires an SSH-accessible remote device with tcpdump. Only air capture requires Wi-Fi monitor mode. • Captures survive SSH disconnects and can be resumed after reconnecting. • Credentials are stored in the iOS Keychain, never on the remote device. • Air capture on a single-radio router may drop your Wi-Fi control link. Interface capture does not switch the radio mode, and Robin warns you when the air-capture risk applies. Robin is a capture and transfer tool. Use it only on networks you own or have explicit permission to test. Capturing traffic on networks without authorization may be illegal in your jurisdiction.

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This update brings more flexible remote packet capture: • Capture packets visible to an existing Linux interface such as br-lan or eth0, with no Wi-Fi monitor-mode requirement. • Switch between air and interface capture; Health Check now reports availability for each source. • Interface capture excludes the current SSH control connection by default, applies a protective file-size limit, and never changes the selected interface state. • BPF filters now include input validation, common examples, condition building, and a syntax reference. • Fixed stale capture state after navigating between screens, with additional Settings, Pro status, and appearance refinements.

The developer, 博 邢, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Collected

    The developer does not collect any data from this app.

    Privacy practices may vary, for example, based on the features you use or your age. Learn More

    The developer has not yet indicated which accessibility features this app supports. Learn More

    Seller
    博 邢
    Size
    12.4 MB
    Category
    Utilities
    Compatibility
    Requires iOS 17.0 or later.
    • iPhone
      Requires iOS 17.0 or later.
    • iPad
      Requires iPadOS 17.0 or later.
    • Mac
      Requires macOS 14.0 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 1.0 or later.
    Languages
    English and 6 more
    • English, French, German, Japanese, Simplified Chinese, Spanish, Traditional Chinese
    Age Rating
    4+
    In-App Purchases
    Yes
    Copyright
    © 2026 Bo Xing