I've got photos inside Photos for Mac dating back to 2002. Recently I've become more interested in using Lightroom, but I want to ideally avoid: Losing the ability to seamlessly sync photos to my iPhone Duplicate files / unnecessary fragmentation Losing the option to use Photos later by becoming locked into Lightroom... if avoidable? Losing the flexibility on Mac or iOS. The Photos apps are pretty accessible within other apps and with other features, etc. ... I'm not sure if using the two apps side by side is really practical but ultimately I'm trying to keep things simple without losing the syncing with devices nor the power of Lightroom. What's the best practice for this now that we have both Photos for Mac and iOS? Just put everything in Lightroom and scrap Photos for Mac? What about migrating between apps without losing metadata or edits, even those from legacy iPhoto that were imported? Thanks in advance for any thoughts/help.