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Splashtop vs ISL Online: catalog facts
Splashtop	ISL Online
Paid Paid subscriptions with a free trial for each product.	Paid Paid licences with a free trial.
Windows, macOS	Windows, macOS, Linux, Android, iOS
Products for individuals as well as help desks and MSPs Attended and unattended remote support	Unlimited unattended computers End-to-end encrypted sessions
No free plan beyond the trial Proprietary software	No free plan beyond the trial Aimed at businesses rather than home users
Downloadable app, Hosted service	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 September 23, 2026	Official website Full listing and sources Checked September 23, 2026

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