Mr. Tides 4 is compatible with any intel-based Macintosh™ computer running Mac™ OS X v10.7.5 thru 10.11. We had to drop support for OS 10.6 as Apple no longer supports that version, and we can't build the app.
You must use a web browser on the Mac to download Mr. Tides. You cannot use Safari on an iPad or on an iPhone to download Mr. Tides. iOS devices can’t run software designed for the Mac, they can only run apps that you download from the App Store.