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Air Explorer vs Insync: catalog facts
Air Explorer	Insync
Freemium Free to download, with a paid Pro version.	Paid Sold as paid licences, with pricing listed on the website.
Windows, macOS, Command line	Windows, macOS, Linux, Command line
Supports more than 50 cloud services and unlimited accounts Direct cloud-to-cloud transfers	Supports Google Drive, OneDrive, SharePoint and Dropbox Multiple accounts and selective or one-way sync
Closed source Some features reserved for the Pro version	Paid licence required Closed source
Downloadable app	Downloadable app
Closed source	Closed source
License not stated	License not stated
No account needed	Not stated if an account is 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.