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Airflow vs FCast Sender: catalog facts
Airflow	FCast Sender
Paid One-time licence of $18.99 for all your computers; the free trial limits playback to 20…	Free Free and open source under GPL-3.0.
Windows, macOS	Linux
HEVC to Apple TV without transcoding High quality audio handling, including lossless FLAC to Apple TV	Open casting protocol instead of a closed one Connects by automatic discovery or QR code
Paid after a playback-limited trial Supports only a specific set of streaming devices	Needs an FCast receiver on the target device Smaller ecosystem than Chromecast or AirPlay
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: GPL-3.0-only
Not stated if an account is needed	No account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 1, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.