Sandboxing means you can limit network access. For example, on Android you can disallow wi-fi and cellular access (not sure about bluetooth) on a per-app basis.

Sandboxing means you can limit network access. For example, on Android you can disallow wi-fi and cellular access (not sure about bluetooth) on a per-app basis. Network access settings should really be more granular for apps that have a legitimate need. App store disclosure labels should also add network usage disclosure.