If you don't want to sync iPhone to Mac when connecting to iTunes, check below steps to stop it. Actually, Leawo iTransfer will be a great choice to sync iPhone and Mac. And it won't sync iPhone and Mac automatically.
Step 1. Run Leawo iTransfer for Mac and Connect iPhone
Launch Leawo iTransfer for Mac after installing it on your new Mac computer. When the software indicates that you can connect your iOS device, plug your iPhone to Mac via the USB cable. The software will automatically detect your iPhone and show the Libraries on the left sidebar. The files will show on the right part of the window after you choose a library.
Step 2. Select Files to Sync
Choose a Library and the all the files in the library will show on the right part of the software (Set the Music Library as an example). Click the transfer button (the right arrow in a dark-blue rectangle) at the right bottom to transfer all the files to computer. Or you can hold Ctrl key and click to choose certain files, and then right click the chosen files and choose "Transfer to > My Computer".
Step 3. Transfer Settings
After choosing files, a dialog of transfer settings comes out. In this dialog, you are able to check "Transfer to List" and "Save to Folder". Checking "Transfer to List" can make sure your files be transferred to iTunes; Check "Save to Folder" and click "Change" to choose a target folder to save the transferred files. If you are using a new computer and the iTunes is newly installed, I suggest you check both options. After choosing target folder, click "Transfer Now" to start to sync iPhone to new computer.
Step 4. Syncing iPhone to Mac
When the transfer begins, you will see a dialog of transfer process. A progress bar in the dialog will show you the percentage of the syncing process. When the syncing process is finished, you will find all the files in your target folder and iTunes.
Leawo iTransfer for Mac will help you with the data transfers that iTunes cannot accomplish, but it can't replace iTunes. Leawo iTransfer provides solutions for the Apple product users who are coming up with transfer problems and makes the iPod, iPad and iPhone data transfers extremely easy. Therefore, if you want to get rid of iTunes synchronization, you can try to use the software.
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