A phone plugged into a Mac with its USB cable. On the Mac’s screen, the browser window you share shows a dashboard with the phone live in the side panel beside it.
  1. Your phone, plugged into your Mac
  2. Live in your browser’s side panel
  3. The one window you share

See it in action.

Your phone, live beside your web app and shared on a call — in under 30 seconds.

Phone to cable to your Mac to one share.

One wire and three stops — the whole trip from your pocket to the call.

Step 1: a phone plugged into the side of a Mac with its USB cable; on the screen, the CastPresenter menu shows Live.Step 2: the browser with a dashboard, and the phone live in the side panel beside it.Step 3: what everyone on the call sees — the shared browser window, with the dashboard and the phone side by side.
  1. Step 1: a phone plugged into the side of a Mac with its USB cable; on the screen, the CastPresenter menu shows Live.

    Plug in your phone

    Use the cable you charge with — Lightning or USB‑C — then click Start sharing in CastPresenter’s menu bar. The first time, tap Trust on your phone and allow camera and microphone access on your Mac: that’s how CastPresenter receives the screen and sound. Nothing to install on the phone, no Wi‑Fi or AirPlay.

  2. Step 2: the browser with a dashboard, and the phone live in the side panel beside it.

    It appears in your browser

    Open the CastPresenter side panel in Chrome or Edge and your phone is there, live, right beside your deck or web app. Rather skip the extension? Use the floating window.

  3. Step 3: what everyone on the call sees — the shared browser window, with the dashboard and the phone side by side.

    Share that one window

    On Zoom, Teams, Meet or FaceTime, share the browser window. Your audience sees your web app and your phone together, and you never switch shares mid-demo.

No more swapping shares mid-demo.

Showing a phone on a call usually means juggling two shares while everyone waits. CastPresenter puts your phone inside the window you’re already sharing.

Without CastPresenter

  1. Stop sharing your screen
  2. Open QuickTime and pick your phone
  3. Share that window instead
  4. Swap back to your deck — and repeat

With CastPresenter

  1. Keep sharing — your phone is already there

The details that matter on a call.

Hide it instantly
One click on Hide in the side panel blurs or blacks out your phone for everyone watching — or press Control H while your browser is in front. Click again and it’s back. For the notification you didn’t plan on.
Side panel · Blur or Black
Dock it or float it
Keep your phone in your browser’s side panel, or in a floating window of its own that can stay on top of everything else.
Side panel: Chrome & Edge 114+
Any camera, too
Pick your Mac’s built-in webcam or any USB webcam instead — a document camera, a product shot. Each source keeps its proper shape, with no stretching.
Built-in or USB
Wired, so it keeps up
The picture travels over the cable, not the network — no Wi‑Fi, no AirPlay, nothing to pair.
Lightning or USB‑C
Phone sound on your Mac
While your phone is mirrored, its sound plays through your Mac — handy for demos with sound. Rather keep it quiet? Turn on Mute phone audio.
On by default · mute any time
Private by design
Everything runs on your Mac. No account, no cloud — your screen and your sound never leave it, and CastPresenter never records either.
No sign-in
Android
Support for Android phones is coming soon — stay tuned!
Coming soon
Windows
A Windows version is in the works — designed around standard capture cards, so Android phones can join in too.
Coming soon

Try it free. Pay once to keep it.

Download CastPresenter and try it with your own phone on your own calls. The free preview does everything, a minute at a time. When it fits, unlock it for good with a one-time in-app purchase.

$39.99once

  • The CastPresenter app for Mac
  • The Chrome & Edge side-panel extension
  • Phone, tablet and webcam sources
  • Free updates — no subscription
Download now

The Chrome & Edge extension is free. Requires macOS 14 Sonoma or later.

Questions, answered.

Something else? Write to support@castpresenter.com.

What devices does this work with?
A Mac running macOS 14 Sonoma or later, and a phone or tablet with the USB cable you charge it with (Lightning or USB‑C). CastPresenter mirrors the screen straight into your browser's side panel or a floating window on your Mac — there's nothing to install on the phone or tablet, no AirPlay, and no network to join. Plug in, click Start sharing in the menu bar, and the screen appears.

Android support is coming soon — stay tuned!

Does this work with webcams?
Yes! Pick any camera as your source — your Mac's built‑in webcam or any USB webcam — and it streams to your browser or a floating window exactly the same way. Perfect for lecture broadcasts, top‑down tabletop cameras, and product / demo cameras — and every source keeps its proper shape, with no stretching, so a widescreen webcam and a portrait phone both look right.
Do I need to install anything on my phone?
No. Everything runs in the CastPresenter Mac app. The first time you plug in, unlock your phone or tablet and tap Trust — that's it. There's nothing to install, sign into, or update on the device itself.
Does it start on its own?
Click Start sharing in CastPresenter's menu‑bar menu when you need it. Want it hands‑free? Turn on Launch at login and Auto‑start sharing in Settings, and CastPresenter starts sharing every time you log in — plug in your phone and it's there. The first time, macOS asks for Camera and Microphone access: that's how CastPresenter receives your phone's screen and sound.
Does it work on Zoom, Teams, Google Meet and FaceTime?
Yes — and on any other call that can share a window. CastPresenter simply puts your phone or camera inside your browser (or a floating window), so you share that like anything else on a call — no special integration. Share the one browser window and your audience sees your web app and your phone, together.
Does it carry the phone’s sound?
Yes. While CastPresenter mirrors your phone, the phone sends its sound to your Mac, so it plays through your Mac's speakers or headphones — handy when you're presenting in a room, or sharing your computer's sound on a call. Want silence? Turn on Mute phone audio in Settings. macOS asks for Microphone access the first time, because the phone connects as a combined video + audio device. The side panel and browser tab show the picture only, and CastPresenter never records or sends audio — the sound never leaves your Mac.
Which browsers does the side panel support?
Chrome and Edge, version 114 or later — the side panel is built for them. Other Chromium browsers can install the extension from the Chrome Web Store, but the side panel isn't guaranteed there. Using Safari, Firefox or anything else? CastPresenter's floating window works on its own — no extension needed.
How do I quickly hide the screen while casting?
Click Hide in the side panel and your phone blurs or blacks out for everyone watching — you choose Blur or Black — then click again to bring it back. Prefer the keyboard? Press Control + H while Chrome or Edge is the active app. Perfect when a private notification pops up mid‑demo.
What about Windows or Android?
A Windows version is in the works. It's being built around a standard USB capture card (HDMI in — so Android phones can join in too), plus webcams and the same Chrome and Edge extension. Today, CastPresenter runs on a Mac and mirrors a phone or tablet over USB, and Android support is coming soon. Get notified when Windows is ready.
How can I try this before I buy?
Just download it — CastPresenter is free to download and try. In the free preview everything works, with one limit: casting runs a minute at a time, so you can plug in your own phone, open the side panel, and confirm it fits your setup and your calls. Once you've seen it work, unlock unlimited casting with a one-time $39.99 in-app purchase — no subscription, no account.
Why do I have to pay for this?
It's a one‑time $39.99 — no subscription, free updates. That small fee keeps CastPresenter independent, maintained, and getting better — not a "free" app that quietly sells your data. It covers the real costs: hosting & distribution (the Apple Developer Program, App Store distribution and the site) and ongoing development (bug fixes, support, new macOS releases, and the features you ask for). It also keeps CastPresenter ad‑free, and your data is never sold — you're the customer, not the product. Thank you for supporting independent software.

Get CastPresenter for your Mac.

Free to try, $39.99 once to keep it. We’ll email you the Mac App Store and browser-extension links — and show them right here.

One email with your links — nothing else.