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Altus vs WhatsApp Web To Go: catalog facts
Altus	WhatsApp Web To Go
Free Free and open source under GPL-3.0.	Free Free, with no ads, and open source under the MIT license.
Windows	Android
Multiple WhatsApp accounts in one app Custom themes for the WhatsApp interface	Uses WhatsApp on a tablet or second phone Sends pictures, audio and video
Unofficial client that depends on WhatsApp Web Electron app with higher memory use than a native client	Unofficial and may break when WhatsApp Web changes Requires a WhatsApp account on another device
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License: MIT
Account needed	Account needed
Needs internet	Needs internet
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

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