Compare software

AlterSend vs AirDash: catalog facts
AlterSend	AirDash
Free The client is open source under Apache-2.0; no paid tier is mentioned on the homepage.	Free Free and open source under the MIT licence.
Windows, macOS, Linux, Android, iOS, Web	Windows, macOS, Linux, Android, iOS
Files go device to device with no copy left on a server Recipients can download from a browser link without installing anything	Works across all major desktop and mobile platforms No file size limit
Both devices must be online at the same time for a direct transfer Transfer speed depends on the sender's own connection	Pairing depends on Firebase services Includes analytics and error tracking
Downloadable app, Web application	Downloadable app
Open source	Open source
License: Apache-2.0	License: MIT
No account needed	No account needed
Not stated if it works offline	Needs internet
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.