Compare software

Synology Chat vs Pumble: catalog facts
Synology Chat	Pumble
Free License-free, but it requires a Synology NAS to host the server.	Freemium Free with unlimited users and message history; paid plans are sold for businesses.
Windows, macOS, Linux, Android, iOS, Web, Self-hosted	Windows, macOS, Linux, Android, iOS
Messages stay on your own NAS Optional end-to-end encryption for conversations or channels	Unlimited users and message history on the free offering Channels, threads, calls and recording in one app
Only runs on Synology NAS hardware Closed source	Hosted service only, with no self-hosting option Closed source
Downloadable app, Web application, Self-hosted	Downloadable app, Hosted service
Closed source	Closed source
License not stated	License not stated
Account needed	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 September 24, 2026

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