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UltraViewerTeamViewer
Freemium

Free to use, with paid licences available to order.

 Freemium

Free for personal use. Business use requires a paid subscription.

Windows Windows, macOS, Linux, Android, iOS
  • Simple to set up for one-off support sessions
  • Built-in chat and file transfer
  • Connects through NAT and firewalls with no network configuration
  • Covers Windows, macOS, Linux, Android and iOS, including mobile support sessions
  • Windows only
  • Closed source
  • Commercial use requires a paid licence and the software detects suspected business use
  • Free sessions are occasionally cut short by the commercial-use detector
Downloadable app Downloadable app
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 Not stated if it works offline

Checked September 24, 2026

Checked September 22, 2026

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