Why BetterCast
Everything paid display apps charge for — free.
0.02ms
Latency
Hardware-accelerated pipeline delivers frames faster than you can perceive.
60FPS
Refresh Rate
Smooth, tear-free rendering at full display refresh rate over USB-C or Wi-Fi 6.
4K
Resolution
Full Retina and HiDPI support. Every pixel rendered at native resolution.
Unlimited
Virtual Screens
Create secondary, third, and more virtual displays to expand your workspace as needed.
$0
Completely Free
Every feature included for everyone. No subscriptions, no feature gates, no trials. Pay what you want if you'd like to support us.
3MB
Install Size
Minimal footprint. No background daemons, no telemetry, no bloat.
5+
Platforms
macOS, Windows, Linux, iOS, Android. One protocol across every device.
P2P
Direct Connection
Peer-to-peer streaming. Your devices communicate directly without relay servers.
Open Source
Contributions Welcome
Built by the community. PRs, issues, and ideas welcome. Help shape the future.
Use Cases
One app, dozens of setups.
Extend, mirror, or cast between any combination of Mac, PC, Linux, iPad, iPhone, and Android.
Extend
Use your iPad, Android tablet, or any device as a seamless second display.
Mirror
Mirror your display for presentations, streaming, or debugging on a second screen.
Cast iOS
Cast your iPhone or iPad screen to your Mac or PC instantly.
Desktop to Desktop
Turn a spare Mac or PC into a lag-free secondary monitor.
Wi-Fi 6 Ready
Wireless display extension at wired speeds. No cables required.
USB-C Native
Direct connection for the absolute lowest latency possible.
Pricing
100% free. Every feature. No catch.
Other apps charge $4/mo for what BetterCast gives you for free. Every feature is unlocked from day one — no upgrade walls.