When comparing Wuala vs BitTorrent Sync, the Slant community recommends BitTorrent Sync for most people. In the question“What are the best personal file-syncing solutions?” BitTorrent Sync is ranked 14th while Wuala is ranked 33rd. The most important reason people chose BitTorrent Sync is:
Since BitTorrent Sync uses P2P technology and does not require an external server from a third party, the only limitation if what is available to the user.
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Pros
Pro Client-side encryption
Wuala encrypts the data on your computer before it is uploaded.
Pro Best privacy
Pro No service cost, storage limits, perfomance limits or privacy concerns
Since BitTorrent Sync uses P2P technology and does not require an external server from a third party, the only limitation if what is available to the user.
Pro Clients on most platforms available
BitTorrent Sync is available for Windows, Mac, Linux, Android, iOS, Windows Phone and BSD.
Pro Self hosted
If user opens a malicious website that website may create users to access your data ("When registering, http traffic for creating new user on loopback http://127.0.0.1:8888"). Being self hosted one does not need to open a site to get to their files.
Cons
Con No longer developed
Con Proprietary
Because the software is proprietary, there's no way to review the security practices or really know how the software operates under the hood. As such it can be considered as not safe for sensitive information.
Con Proprietary
Being proprietary, it's harder to audit.
Con Has some risky attack vectors
The only really good thing it has is that data is self-hosted (i.e. hosted on a server running on your machine with data that are on your machine).
- If user opens a malicious website that website may create users to access your data ("When registering, http traffic for creating new user on loopback http://127.0.0.1:8888")
- GetSync.com server receives many (all?) hashes in cleartext when sharing the directory.
Con Pro version for a fee
Selective Sync only available in Pro version. Business use is not allowed with free and Pro versions.