Sync vs ownCloud

The most important differences between Sync and ownCloud

Compare Sync vs ownCloud

Read a full Sync comparison below, and learn how ownCloud enables users to share files and folders within your organization securely. Sync is a cloud-only SaaS file sharing solution from Canada that mainly serves Canadian institutions, small and medium sized companies and consumer market. The data is stored on servers in Canada, which is a member of the five eyes intelligence alliance, together with Australia, New Zealand, the United Kingdom and the United States, so GDPR compliance is questionable when transferring EU citizens user data into Furthermore, is closed source so users can’t retrace its inner workings even if they wanted to. With ownCloud, users can audit the source code and see how exactly their data is being processed. ownCloud has its own SaaS offering hosted on secure servers in Germany that fully complies with GDPR.

ownCloud secure cloud solution for enterprise file sharing



AGPLv3, commercial license

Commercial license


On-premises, Hybrid, Cloud

Cloud only


Your datacenter or hosted in Germany


Support reaction time 




Unlimited for on-premises

10TB per user

Maximum file size



Custom theming

Depends on plan

Desktop App 

Windows, Mac OS, Linux

Windows, Mac OS

Web App


Mobile Apps

iOS, Android 

iOS, Android 

Virtual File System 


Document editing 

Collabora online, ONLYOFFICE, Microsoft Office Online Server

Microsoft 365

Email integration 

Outlook-, Thunderbird-,


Guest accounts


Sharing policies for groups


Comments on files 


2-factor authentication


Storage encryption


External storage integration


Command-line interface

Secure View

To the best of our knowledge, we compiled this list in September 2020. Should we have overlooked or forgotten anything, do not hesitate to contact us.

The best choice for enterprise file sync and share: ownCloud

Backed by global community and a large ecosystem

More than 100 million people worldwide use ownCloud. The ownCloud file platform has already been installed over 200,000 times. On GitHub, over 7,200 people have starred the project and the ownCloud core alone has nearly 500 active contributors. With ownCloud as an open-source project, you can rely on a large, globally active network and ecosystem – and check for yourself the source code for advanced security. is closed source, so it’s inner workings remain opaque.

File sharing that integrates into the tools you already use

ownCloud takes a best-of-breed approach to improving team productivity and collaboration. ownCloud is integrated with many other open-source solutions, allowing enterprises to seamlessly embed file sharing into their existing cloud stack. From document editing with ONLYOFFICE, Collabora Online or Microsoft Office Online Server, to various groupware options – ownCloud is seamlessly connected where files are edited and shared.

+10 years experience in open source file sync & share

The open-source project ownCloud was launched in 2010 and the company ownCloud was founded in 2011. Today, 75 team members are committed to provide support, deployment, transparent code and user-first feature development to our customers. With ownCloud you get continuity, reliability and +10 years experience in enterprise-grade file sharing.

Easy content collaboration at scale

ownCloud is made for organizations of any size: From a home server to huge Enterprise setups spanning multiple federated ownClouds across continents with hundreds of thousands of users. It offers not only unlimited scalability but also unlimited file sizes. ownCloud has a firm footing in the open-source community while designing robust and quality assured business software. Whether on-premises, in the cloud, as hybrid or as SaaS.

Users love ownCloud

ownCloud has an average rating of 4.2 on Capterra


ownCloud has an average rating of 4.1 on G2


ownCloud has an average rating of 4.5 on Gartner Peer Insights


Trusted by 100 million users worldwide

ownCloud customer CERN
ownCloud customer ETH Zürich
ownCloud customer Daimler
ownCloud customer European Commission
ownCloud customer DB Mobility Networks Logistics
ownCloud customer Fujitsu

Want to learn more?

Experience ownCloud in action and ask our knowledgable presales team any question for your proof of concept.

OwnCloud is very easy to use, very simple file system with simple interface and its design of file manager is also very good. It has good filtering options and comes with good admin controls. It follows strict security mechanisms/practices, as the web attacks are increasing gradually.

Software Developer, Manufacturing Industry

Gartner Peer Insights, February 2020