iOS 13 Photos sync through iTunes causes duplicate photos on iOS devices

Since iOS 13, whenever I do an iTunes sync of my iPad (pro) and iPhone, the Photos library on both get filled with duplicates of most, but strangely enough not all of the photos. To get rid of the duplicates, I have to sync the devices with Sync Photos unselected (which sometimes works) or sync to another Mac with an empty Photos Library and then resync in my own account.


Sometimes it takes multiple syncs tries to get rid of superfluous photos on the iOS devices. (Which I also find odd because I have no photos in iCloud and iCloud Photos is switched off on all devices, so a sync to another account should remove all synced photos in one try).


Does anyone else have this issue?

iPad Pro 10.5-inch, Wi-Fi

Posted on Sep 24, 2019 12:36 AM

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Posted on Nov 4, 2019 8:05 PM

All right guys -


I have been in a remote wilderness since I last posted here, so I took a while to get back to troubleshooting this, but wanted to tell everyone that I fixed this problem today, and it took very little effort!


I figured that the issue had to be with my Photos app on the laptop, and not with the phone, or with the new Finder sync. I have all of my photos (22,000) organized perfectly into folders of where each was taken. All of those folders are in Finder on my mac, and are in Albums in Photos. I sync everything from Photos to my phone (versus syncing directly from the folders in Finder). When I look at each of the 100 or so Albums that I have in Photos (under the Albums>My Albums menu on the left), there are NO DUPLICATES AT ALL in any of the albums. They are all exactly how I wanted them to be on my phone...BUT, when I click on Library>Photos on the left I see thousands of duplicate and triplicate photos. They only appear there, NOT in any of the Albums that I created and thought that I was syncing.


I got this app from the App Store today:

https://apps.apple.com/us/app/photos-duplicate-cleaner/id592704001?mt=12&ign-mpt=uo%3D4


And I carefully followed these instructions on how to use it:

https://www.idownloadblog.com/2016/02/15/how-to-remove-duplicate-photos-on-mac/


It found that I had over 22,000 duplicated and triplicated photos. They ONLY show up in the Library>Photos section of Photos though, which is what your phone is using when is syncs.


After deleting all of the duplicates, I synced my phone again and it went from having 47,000 photos on it, to having 22,000. No more duplicates.


Hope this works for the rest of you. This wasn't a macOS Catalina issue, nor was it an iOS issue. It was an issue with Photos having thousands of duplicates, seemingly from me not importing them correctly when I did it.

Similar questions

356 replies

Oct 24, 2019 5:18 PM in response to MacLmR

+1, this same exact issue is happening to me. I've got 30k photos & videos in my Photos Library, but after syncing my phone shows 50k photos & videos.


For each duplicate pair on my phone, I found that one photo has location data and the other does not have location data. I think this might be a bug with the new iOS 13 feature that was introduced to allow you to Include/Exclude Location or Include/Exclude All Photos Data when sharing a photo.


Does anyone else see this pattern with their duplicate synced photos?

Nov 9, 2019 12:17 PM in response to qazokm1

Photos App let me choose the cover photos and it synced them to my phone.


I lost that by syncing my Finder Folders directly though.


i shoot my photos on a DSLR, and on my iPhone. I then edit in Lightroom and export them to folders in Finder. Then I sync back to my phone, so now they’re all on my phone edited and perfectly organized...

Nov 11, 2019 6:42 PM in response to antoniofrommacau

There's another thread where somebody said that Apple is working on it. I was in the Emeryville Apple store today and one of their Genius Bar employees had no idea about the problem. She entered it into the notes on my appointment, but I assume that's about as good as writing a letter, putting it inside a rocket, and firing the rocket into a black hole. Local syncing has been quite busted ever since the cat releases (circa macOS 10.8). Titles, tags, description, and faces entered in macOS Photos haven't been searchable in iOS since Mountain Lion or so. Up until Catalina, the photos from macOS would at least get copied to to iOS (without the metadata, of course). Now, macOS to iOS syncing is basically so unusable, that I'm considering using Google Photos or something else (possibly just ridding myself of Apple products altogether). Apple has always been overpriced, but at least it used to "just work". Now, we're in the new phase of Apple where it's overpriced and nothing works (even stupid stuff that used to work, like syncing!).



[Edited by Moderator]

Nov 18, 2019 11:59 PM in response to qazokm1

in April I switched from picture-folder-sync to photos-app sync, because it was not possible to sync my photos (waiting hours to sync 10 photos)

This worked great until ioS /iPadOS13. Since this time I want to sync a few new photos and on my devices (iPhone 11, iPad mini 5, iPad Pro 3rd) are a mess of doubles. Usually I have about 30.000 photos, after a sync sind iOs13 sometimes 35.000, sometimes 32.000...

It's really really horrible... please Apple fix this!

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iOS 13 Photos sync through iTunes causes duplicate photos on iOS devices

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