> All the databases and servers are hosted by Amazon Web Services (AWS) in the United States. We make extensive use of their built-in firewalls to protect your data against unauthorized remote access and to support continuous monitoring for potential vulnerabilities. User data, including task details, account information and payment details, are all stored and encrypted at rest.
> TickTick reserves the right to hold onto the data and not turn it over to any third parties. We will never share your data with third parties without your prior permission. Although we own the databases and all rights to the application, you retain all rights to your data.
Strictly speaking, the price difference includes a substantial security upgrade (among other things).