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WALTR PRO vs Air Video Server HD: catalog facts
WALTR PRO	Air Video Server HD
Paid Paid license with a free trial available.	Paid The Air Video HD app is a single purchase covering all of a user's iOS devices; the server…
Windows, macOS	Windows, macOS
Drag-and-drop transfer to iPhone and iPad without iTunes Converts formats such as MKV and AVI during transfer	Streams without converting or transferring files Supports subtitles, 1080p and 5.1 surround via Apple TV
Commercial software after the trial Focused on Apple devices as the destination	Playback client is only for Apple devices Listed system requirements are old, suggesting infrequent updates
Downloadable app	Downloadable app
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	Not stated if an account is needed
Works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

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