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Roaming Borders

Avoid unexpected roaming charges
Why this app?
When you travel near country borders, your phone may automatically connect to a stronger cell tower across the border—even if you never left your country. This can quickly result in costly roaming fees.
Manually toggling roaming is inconvenient and easy to forget.
Roaming Borders automates the guardrails so you don’t have to.

What it does

  • Block roaming when you don’t want it: Select allowed countries; if your device connects outside that list, data traffic is blocked.

  • Avoid surprise charges: Prevent accidental cross-border roaming near national frontiers.

  • Simple presets or full control: Choose ready-made country presets or build your own list for upcoming trips.

  • On-device only: Uses Android’s VpnService as a local firewall. No tunneling to servers.



How it works
Roaming Borders runs a lightweight, on-device VPN that filters traffic based on your current country.

  • When your current country is not in your allow-list → block data traffic system-wide.

  • When your current country is allowed → allow traffic as normal.

  • When connected to Wi-Fi, the guard pauses automatically and resumes once Wi-Fi disconnects.



Note on reboot: After restarting your phone, the guard re-enables after a short delay. To be extra safe, enable Airplane mode before restarting.
  • app screenshot
  • app screenshot
  • app screenshot
  • app screenshot

Versions

Although APK downloads are available below to give you the choice, you should be aware that by installing that way you will not receive update notifications and it's a less secure way to download. We recommend that you install the F-Droid client and use that.

Download F-Droid
  • Version 1.0.0 (1) suggested Added on Nov 03, 2025

    This version requires Android 6.0 or newer.

    It is built and signed by the original developer, and guaranteed to correspond to this source tarball.

    Permissions
    • access approximate location only in the foreground
      This app can get your approximate location from location services while the app is in use. Location services for your device must be turned on for the app to get location.
    • view network connections
      Allows the app to view information about network connections such as which networks exist and are connected.
    • run foreground service
      Allows the app to make use of foreground services.
    • run foreground service with the type "specialUse"
      Allows the app to make use of foreground services with the type "specialUse"
    • have full network access
      Allows the app to create network sockets and use custom network protocols. The browser and other applications provide means to send data to the internet, so this permission is not required to send data to the internet.
    • show notifications
      Allows the app to show notifications
    • read phone status and identity
      Allows the app to access the phone features of the device. This permission allows the app to determine the phone number and device IDs, whether a call is active, and the remote number connected by a call.
    • run at startup
      Allows the app to have itself started as soon as the system has finished booting. This can make it take longer to start the phone and allow the app to slow down the overall phone by always running.
    • ask to ignore battery optimizations
      Allows an app to ask for permission to ignore battery optimizations for that app.
    • com.sleistikow.roamingborders.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

    Download APK 2 MiB PGP Signature | Build Log

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