Direct answer

What is the best app to control a Mac from an iPhone?

A practical way to compare phone-to-Mac control apps by host setup, route visibility, permissions, and latency proof.

Short answer

The best app depends on the exact Mac task, route, and permission model. Remote Comp is built for supported Mac workflows where the host is trusted, the phone controller is paired intentionally, and route state is visible before the session.

Start with the job, not the app category

A good phone-to-Mac control setup should name the host Mac, the controller device, the route, and the first task. Remote Comp should be evaluated on narrow tasks such as checking an app, controlling a demo, or handling an approved support moment.

Compare route visibility

Look for Local Network or trusted remote-route state before depending on a session. Same-network proof does not prove every away-from-desk route, so keep the tested path attached to the claim.

Compare permission clarity

The app should explain Screen Recording, input control, Local Network prompts, and revocation paths in plain language. Avoid any tool that hides setup boundaries behind broad promises.