Compare software

Send to Kindle vs Inkcast: catalog facts
Send to Kindle	Inkcast
Free Free download from Amazon.	Free Free and open source under the Apache-2.0 licence.
macOS	Android
Sends personal documents straight to a Kindle library Official Amazon tool	Converts web articles to EPUB for reading later Automatic discovery of e-readers on the local network
Requires an Amazon account Only works with Kindle devices and apps	Built for CrossPoint Reader devices Young project
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: Apache-2.0
Account needed	Not stated if an account is needed
Needs internet	Not stated if it works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 2, 2026

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