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UltraViewer vs HelpWire: catalog facts
UltraViewer	HelpWire
Freemium Free to use, with paid licences available to order.	Free Described as free by the developer.
Windows	Windows, macOS, Linux
Simple to set up for one-off support sessions Built-in chat and file transfer	Free to use Covers Windows, macOS and Linux
Windows only Closed source	Closed source and relies on the developer's service Few details published about how it works
Downloadable app	Downloadable app, Hosted service
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	Not stated if an account is needed
Needs internet	Needs internet
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked September 24, 2026

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