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TeamViewer vs ISL Online: catalog facts
TeamViewerISL Online
Freemium

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

Paid

Paid licences with a free trial.

Windows, macOS, Linux, Android, iOS Windows, macOS, Linux, Android, iOS
  • Connects through NAT and firewalls with no network configuration
  • Covers Windows, macOS, Linux, Android and iOS, including mobile support sessions
  • Unlimited unattended computers
  • End-to-end encrypted sessions
  • Commercial use requires a paid licence and the software detects suspected business use
  • Free sessions are occasionally cut short by the commercial-use detector
  • No free plan beyond the trial
  • Aimed at businesses rather than home users
Downloadable app Downloadable app, Hosted service
Closed source Closed source
License not stated License not stated
Not stated if an account is needed Account needed
Not stated if it works offline Not stated if it works offline

Checked September 22, 2026

Checked September 23, 2026

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