App contender
BetterCast — Free, Open-Source Second Display App
Free, Open-Source Second Display App
The short version
What is BetterCast — Free, Open-Source Second Display App?
BetterCast is an open-source application that enables users to turn devices such as iPads, Android tablets, iPhones, Windows PCs, Linux machines, or Macs into extended monitors for a Mac or Windows PC. It utilizes peer-to-peer streaming over local networks or USB-C connections.
Provides a free, open-source, cross-platform second display solution that operates via peer-to-peer streaming without requiring accounts, subscriptions, or internet connectivity.
Product capabilities
Key features
- Peer-to-peer streaming
- Hardware-accelerated HEVC/H.264 video
- Up to 60 FPS
- Up to 4K/Retina resolution
- Audio streaming
- Multiple simultaneous displays
- Virtual screens
- USB-C and Wi-Fi connectivity
- Android screen mirroring
- Desktop-to-desktop extension
Ways to use it
Use cases
- Extend Mac or Windows display to other devices
- Mirror desktop for presentations or debugging
- Android screen mirroring to Mac
- Turn spare PC or Linux machine into a secondary monitor
Who it is built for
Best for
At a glance
Strengths & considerations
Strengths
- Free and open-source (GPL 3.0)
- No account or subscription required
- No internet connection required
- Lightweight (approx. 3MB)
- Cross-platform support
Things to consider
- Requires local network or direct USB-C connection
- Sender functionality is limited to macOS and Windows
Plan information
Pricing
The software is free to use with all features included. An optional one-time $5 donation is available to support the project.
All features are included for free with no subscriptions or feature gates.
Prices and plans can change. Confirm current terms on the official pricing page before purchasing.
Compatibility & availability
Technical details
Platforms & channels
Official destinations
Links
Quick answers
BetterCast — Free, Open-Source Second Display App FAQ
Do I need an account to use BetterCast?
No, BetterCast does not require an account.
Does BetterCast require an internet connection?
No, it works entirely over a local network or direct USB-C connection.
What platforms can act as a sender?
macOS and Windows PCs can act as the sender.
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Official sources
These pages were used for the factual profile above. They may change after the research date.
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