> You can find tons of purely local apps tha[t] monetize themselves with a[d]s.
How do they do that without hitting the internet?
How do they do that without hitting the internet?
>3. The network is optional
Ad SDKs usually allow caching ads for a period of time so that ads can still be shown while the device is temporarily offline.
IMHO, a fully local app is an app that can run locally with all the functionality, not that it's isolated from everything else.
Browser, email client (running locally on your device such as Mail.app, mutt, Outlook,...), Zed (text editor, runs locally but can check for updates... as can many other modern apps)...