Compare software

iyox WormholeAlterSend
Free

Free and open source under the GPL-3.0 licence.

 Free

The client is open source under Apache-2.0; no paid tier is mentioned on the homepage.

Android Windows, macOS, Linux, Android, iOS, Web
  • End-to-end encrypted transfers
  • Short passcode or QR code pairing
  • Files go device to device with no copy left on a server
  • Recipients can download from a browser link without installing anything
  • Relies on Magic Wormhole relay servers to connect
  • No GitHub releases
  • Both devices must be online at the same time for a direct transfer
  • Transfer speed depends on the sender's own connection
Downloadable app Downloadable app, Web application
Open source Open source
License: GPL-3.0 License: Apache-2.0
No account needed No account needed
Needs internet Not stated if it works offline

Checked October 2, 2026

Checked October 2, 2026

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