Comparing Mountain Duck

	Mountain Duck	Transmit Disk	ExpanDrive	CloudMounter
Version	3	4	7	3
No admin privileges required	Yes	Yes	Partial 1	Partial 1
Available in Mac App Store	Yes	No	No	Yes
Client-side encryption	Yes	No	No	Partial 2
Mount as read-only filesystem	Yes	Yes	Yes	No
Copy URLs from Finder Extension	Yes	No	Yes	Yes
Smart Synchronization	Yes 4	No	No	No
Make files available offline	Yes 5	No	Yes	No
Mount volume when offline	Yes 6	No	No	No
Upload changes in background	Yes	No	Yes	No
Badge icons in Finder	Yes 7	No	Yes	No
FTP and FTP with TLS	Yes	Yes	Yes	Yes
SFTP	Yes	Yes	Yes	Yes
Authenticate with one-time passcode	Yes	No	Yes	No
WebDAV	Yes	Yes	Yes	Yes
Authenticate with client certificate	Yes	No	No	No
Amazon S3	Yes	Partial 3	Yes	Yes
Amazon S3 Transfer Acceleration	Yes	No	No	No
Create pre-signed temporary URLs	Yes 8	No	No	No
Microsoft Azure Blob Storage	Yes	No	Yes	No
Google Cloud Storage	Yes	No	Yes	No
OpenStack Swift	Yes	No	Yes	No
Google Drive	Yes	No	Yes	Yes
Open Google Docs documents	Yes	No	Yes	No
Open files in Team Drives	Yes	No	Yes	No
Dropbox	Yes	No	Yes	Yes
Microsoft OneDrive	Yes	No	Yes	Yes
Backblaze B2	Yes	No	Yes	No

¹ Requires admin privilege to install FUSE kernel extensions and libraries. ² CloudMounter offers client-side encryption for some storage providers. ³ Regions with AWS4 signature version requirement are not supported. ⁴ Keep opened files on your computer for faster edits and sync changes in the background. ⁵ Select files and folders to keep always offline and upload changes when the server is reachable. ⁶ Browse folders when offline and work with files in the local cache. ⁷ Sync status for files and folders. ⁸ Using the Finder Extension context menu.

	Mountain Duck	ExpanDrive	TNTDrive	NetDrive	CloudBerry Drive	CloudMounter
Version	3	7	4	3	2	1
Client-side encryption	Yes 1	No	No	No	No	No
Mount as read-only filesystem	Yes	Yes	Yes	No	Yes	No
Disconnect mounted drive in Windows File Explorer	Yes	No 2	No 3	No 2	No	No 4
Roaming profile for application support data	Yes	Yes	Yes	Yes	No	No
Smart Synchronization	Yes 5	No	No	No	No	No
Make files available offline	Yes 6	No	Yes	No	No	No
Mount volume when offline	Yes 7	No	No	No	No	No
Upload changes in background	Yes	No	Yes	No	No	No
Badge icons in Windows File Explorer	Yes 8	Yes	No	No	No	No
FTP and FTP with TLS	Yes	Yes	No	Yes	No	No
SFTP	Yes	Yes	No	Yes	No	No
WebDAV	Yes	Yes	No	Yes	No	No
Amazon S3	Yes	Yes	Yes	Yes	Yes	No
Microsoft Azure Blob Storage	Yes	Yes	No	No	Yes	No
Google Cloud Storage	Yes	Yes	No	Yes	Yes	No
OpenStack Swift	Yes	Yes	No	Yes	Yes	No
Microsoft OneDrive	Yes	Yes	No	Yes	No	Yes
Backblaze B2	Yes	Yes	No	No	No	No
Google Drive	Yes	Yes	No	Yes	No	Yes
Dropbox	Yes	Yes	No	Yes	No	Yes

¹ Cryptomator. ² Access denied. ³ The system cannot find the path specified. ⁴ An error occurred while ejecting. ⁵ Keep opened files on your computer for faster edits and sync changes in the background. ⁶ Select files and folders to keep always offline and upload changes when the server is reachable. ⁷ Browse folders when offline and work with files in the local cache. ⁸ Sync status for files and folders.