iPhone and Mac are the members of the same family, so why even research the software to sync iPhone with Mac OS X you would think? However despite the fact that you can sync media files, contacts, and calendars with the help of iTunes or iCloud, there are other types of data that are not covered by standard methods. For example, when you want to sync data on iPhone with more than one macOS computer or when you want to mount your iPhone as Mac disk, you realize you need to start looking for third-party solutions offering these possibilities. Here we listed the software to sync iPhone with Mac OS X, choose the one that offers exactly what you are looking for.
Check out the SyncMate app. This one offers a multitude of options to sync iPhone and Mac. One can sync contacts, calendars, media files, folders, reminders, bookmarks and so on. You can also mount iPhone as Mac OS X disk, text directly from your computer, look through the call history there, and back up iPhone data on macOS computer.
SyncMate performs the direct synchronization between Mac and iPhone apps, which is fast and safe.
Syncios comes second as it lacks some of SyncMate powers, however still offers a good chunk of useful features. It lets its users transfer music, videos, photos, ebooks, apps, contacts, messages, etc. With Syncios you have the possibility to extract your iTunes backup, use your iPhone as an external USB Key for storage and manage notes, bookmarks, and contacts directly from Mac OS X.
BusyMac has some handy tools to offer too: BusyContacts and BusyCal to sync contacts and calendars respectively. These are not the only solutions to sync contacts and calendars, but BusyMac apps seem to be quite reliable and actually working as expected.
These tools offer a range of options for the data you sync. If you are fine with a limited range of data you can sync, one of these apps may turn out great for you.
Only one type of data will be synced by PhotoSync, you can guess what it is, but this app does a very good job. You can transmit, backup, and share your photos & videos between iPhone and macOS over Wi-Fi. PhotoSync keeps a history of your photo and video transfer for your convenience.
These are not dedicated software to sync iPhone and Mac, however you might already have your account set up and in some case use these methods.
iCloud is probably the first cloud service you thought of when talking about using clouds for syncing. This native Apple cloud storage allows storing and syncing data among your Mac OS X and iOS devices. It offers 5 GB storage for free and can be accessed from anywhere.
Dropbox is a well-known service and is widely used. You can start with a 2 GB free space and store various files and folders there and share them with others. You can access your data from any computer or device that is online.