How to use your iPhone as a mouse for your Mac
The trackpad on the Mac is dead, or you are across the room. You searched for a mouse. Apple did not ship one.
Short answer: An iPhone cannot become a Bluetooth mouse, and Sidecar and Universal Control do not add one. Scan the QR code MightyMouse shows on the Mac and Safari opens a trackpad: drag to move the pointer, tap to click, two fingers to right-click or scroll. Nothing installs on the iPhone.
"Mouse" and "trackpad" are different words for the same wish: move the pointer and click, without walking back to the desk. The thing that shows up on the phone is a trackpad. It does the mouse jobs.
How to use an iPhone as a mouse for a Mac
- Open MightyMouse on the Mac and go to Settings.
- Scan the QR code with the iPhone camera.
- Safari opens the remote. Drag one finger to move the pointer.
- Tap to click. Tap with two fingers to right-click. Drag with two fingers to scroll.
Click and drag is one finger, hold, then move. That is the gesture people miss when a trackpad app only has a tap. The longer gesture list, and the App Store apps that do this another way, are on using your iPhone as a trackpad.
Why there is no built-in iPhone mouse
Universal Control and Sidecar are Mac and iPad features. Apple support says Universal Control works with Mac and iPad only. There is no checkbox that adds iPhone. Sidecar for iPhone is the same answer for a second screen.
A Bluetooth mouse is a device the computer connects to. An iPhone is happy to connect to a mouse. It does not offer a setting that makes the phone into one. Every working option sends the pointer over the network instead.
Keyboard, voice, and Android
Once the remote is open you can also type. That is using the iPhone as a keyboard, and it is the same QR scan, not a second setup. Holding the mic types what you say into the app that has focus, which is often faster than a mouse for a sentence.
An Android phone uses the same page. See how to control a Mac from Android if that is the phone in your hand.
When a mouse app is the wrong tool
If you are sitting at the Mac and the trackpad works, use the trackpad. If you need the whole desktop from another city for a long session, a remote desktop app is the better fit. Controlling the Mac from an iPhone lays out those options, including when MightyMouse is the wrong pick.
A Mac mini with no monitor still works, as long as the Mac is awake. The phone is not asking for a video cable. It is reading the screen in software. A sleeping Mac stops that, on every remote, because macOS tears the display down.
Your iPhone as a mouse for the Mac: move, click, and scroll.
No app on the phone. Free on your own Wi-Fi.
Common questions
Can I use my iPhone as a mouse for my Mac?
Yes, as a trackpad in Safari after you scan a QR code from the Mac app. Drag to move the pointer, tap to click, and use two fingers to right-click or scroll. Nothing installs on the iPhone.
Does Apple have a built-in iPhone mouse?
No. Universal Control and Sidecar work with iPad, not iPhone. There is no System Settings switch that turns an iPhone into a mouse.
How do I right-click from the iPhone?
Tap with two fingers. Scroll by dragging with two fingers. Click and drag is one finger, hold, then move.
Can I use an iPhone as a mouse for a Mac mini with no monitor?
Yes, if the Mac is awake. The screen is captured in software, so a monitor does not have to be plugged in. A sleeping Mac cannot be driven.
If the pointer is what you needed: MightyMouse turns your iPhone into a trackpad, keyboard, and mic for your Mac, which is the mouse, the keys, and your voice in one scan.